List of Periodic Table of the Elements

See also: Periodic Table of the Elements: Americium Periodic Table of the Elements: Americium
Atomic Number: 95
Atomic Symbol: Am
  Americium
Atomic Weight: (243)
Electron Configuration: 2 · 8 · 18 32 · 25 8 · 2
..... Click the link for more information.
, Periodic Table of the Elements: Antimony Periodic Table of the Elements: Antimony
Atomic Number: 51
Atomic Symbol: Sb
  Antimony
Atomic Weight: 121.760
Electron Configuration: 2 · 8 · 18 18 · 5
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, Periodic Table of the Elements: Argon Periodic Table of the Elements: Argon
Atomic Number: 18
Atomic Symbol: Ar
  Argon
Atomic Weight: 39.948
Electron Configuration: 2 · 8 · 8
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, Periodic Table of the Elements: Actinium Periodic Table of the Elements: Actinium
Atomic Number: 89
Atomic Symbol: Ac
  Actinium
Atomic Weight: (227)
Electron Configuration: 2 · 8 · 18 32 · 18 9 · 2
..... Click the link for more information.
, Periodic Table of the Elements: Aluminum Periodic Table of the Elements: Aluminum
Atomic Number: 13
Atomic Symbol: Al
  Aluminum
Atomic Weight: 26.98154
Electron Configuration: 2 · 8 · 3
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, Periodic Table of the Elements: Arsenic Periodic Table of the Elements: Arsenic
Atomic Number: 33
Atomic Symbol: As
  Arsenic
Atomic Weight: 74.92160
Electron Configuration: 2 · 8 · 18 · 5
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, Periodic Table of the Elements: Astatine Periodic Table of the Elements: Astatine
Atomic Number: 85
Atomic Symbol: At
  Astatine
Atomic Weight: (210)
Electron Configuration: 2 · 8 · 18 32 · 18 · 7
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, Periodic Table of the Elements: Barium Periodic Table of the Elements: Barium
Atomic Number: 56
Atomic Symbol: Ba
  Barium
Atomic Weight: 137.327
Electron Configuration: 2 · 8 · 18 18 · 8 · 2
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, Periodic Table of the Elements: Berkelium Periodic Table of the Elements: Berkelium
Atomic Number: 97
Atomic Symbol: Bk
  Berkelium
Atomic Weight: (247)
Electron Configuration: 2 · 8 · 18 32 · 27 8 · 2
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, Periodic Table of the Elements: Beryllium Periodic Table of the Elements: Beryllium
Atomic Number: 4
Atomic Symbol: Be
  Beryllium
Atomic Weight: 9.01218
Electron Configuration: 2 · 2
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, Periodic Table of the Elements: Bismuth Periodic Table of the Elements: Bismuth
Atomic Number: 83
Atomic Symbol: Bi
  Bismuth
Atomic Weight: 208.98040
Electron Configuration: 2 · 8 · 18 32 · 18 · 5
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, Periodic Table of the Elements: Bohrium Periodic Table of the Elements: Bohrium
Atomic Number: 107
Atomic Symbol: Bh
  Bohrium
Atomic Weight: (270)
Electron Configuration: 2 · 8 · 18 32 · 32 13 · 2
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, Periodic Table of the Elements: Boron Periodic Table of the Elements: Boron
Atomic Number: 5
Atomic Symbol: B
  Boron
Atomic Weight: [10.806; 10.821]
Electron Configuration: 2 · 3
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, Periodic Table of the Elements: Bromine Periodic Table of the Elements: Bromine
Atomic Number: 35
Atomic Symbol: Br
  Bromine
Atomic Weight: 79.904
Electron Configuration: 2 · 8 · 18 · 7
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, Periodic Table of the Elements: Cadmium Periodic Table of the Elements: Cadmium
Atomic Number: 48
Atomic Symbol: Cd
  Cadmium
Atomic Weight: 112.411
Electron Configuration: 2 · 8 · 18 18 · 2
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, Periodic Table of the Elements: Calcium Periodic Table of the Elements: Calcium
Atomic Number: 20
Atomic Symbol: Ca
  Calcium
Atomic Weight: 40.078
Electron Configuration: 2 · 8 · 8 · 2
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, Periodic Table of the Elements: Californium Periodic Table of the Elements: Californium
Atomic Number: 98
Atomic Symbol: Cf
  Californium
Atomic Weight: (251)
Electron Configuration: 2 · 8 · 18 32 · 28 8 · 2
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, Periodic Table of the Elements: Carbon Periodic Table of the Elements: Carbon
Atomic Number: 6
Atomic Symbol: C
  Carbon
Atomic Weight: [12.0096; 12.0116]
Electron Configuration: 2 · 4
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, Periodic Table of the Elements: Cerium Periodic Table of the Elements: Cerium
Atomic Number: 58
Atomic Symbol: Ce
  Cerium
Atomic Weight: 140.116
Electron Configuration: 2 · 8 · 18 20 · 8 · 2
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, Periodic Table of the Elements: Cesium Periodic Table of the Elements: Cesium
Atomic Number: 55
Atomic Symbol: Cs
  Cesium
Atomic Weight: 132.90545
Electron Configuration: 2 · 8 · 18 18 · 8 · 1
..... Click the link for more information.
, Periodic Table of the Elements: Chlorine Periodic Table of the Elements: Chlorine
Atomic Number: 17
Atomic Symbol: Cl
  Chlorine
Atomic Weight: [35.446; 35.457]
Electron Configuration: 2 · 8 · 7
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, Periodic Table of the Elements: Chromium Periodic Table of the Elements: Chromium
Atomic Number: 24
Atomic Symbol: Cr
  Chromium
Atomic Weight: 51.9961
Electron Configuration: 2 · 8 · 13 · 1
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, Periodic Table of the Elements: Cobalt Periodic Table of the Elements: Cobalt
Atomic Number: 27
Atomic Symbol: Co
  Cobalt
Atomic Weight: 58.9332
Electron Configuration: 2 · 8 · 15 · 2
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, Periodic Table of the Elements: Copernicium Periodic Table of the Elements: Copernicium
Atomic Number: 112
Atomic Symbol: Cn
  Copernicium
Atomic Weight: (285)
Electron Configuration: 2 · 8 · 18 32 · 32 18 · 2
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, Periodic Table of the Elements: Copper Periodic Table of the Elements: Copper
Atomic Number: 29
Atomic Symbol: Cu
  Copper
Atomic Weight: 63.546
Electron Configuration: 2 · 8 · 18 · 1
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, Periodic Table of the Elements: Curium Periodic Table of the Elements: Curium
Atomic Number: 96
Atomic Symbol: Cm
  Curium
Atomic Weight: (247)
Electron Configuration: 2 · 8 · 18 32 · 25 9 · 2
..... Click the link for more information.
, Periodic Table of the Elements: Darmstadtium Periodic Table of the Elements: Darmstadtium
Atomic Number: 110
Atomic Symbol: Ds
  Darmstadtium
Atomic Weight: (281)
Electron Configuration: 2 · 8 · 18 32 · 32 17 · 1
..... Click the link for more information.
, Periodic Table of the Elements: Dubnium Periodic Table of the Elements: Dubnium
Atomic Number: 105
Atomic Symbol: Db
  Dubnium
Atomic Weight: (268)
Electron Configuration: 2 · 8 · 18 32 · 32 11 · 2
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, Periodic Table of the Elements: Dysprosium Periodic Table of the Elements: Dysprosium
Atomic Number: 66
Atomic Symbol: Dy
  Dysprosium
Atomic Weight: 162.500
Electron Configuration: 2 · 8 · 18 28 · 8 · 2
..... Click the link for more information.
, Periodic Table of the Elements: Einsteinium Periodic Table of the Elements: Einsteinium
Atomic Number: 99
Atomic Symbol: Es
  Einsteinium
Atomic Weight: (252)
Electron Configuration: 2 · 8 · 18 32 · 29 8 · 2
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, Periodic Table of the Elements: Erbium Periodic Table of the Elements: Erbium
Atomic Number: 68
Atomic Symbol: Er
  Erbium
Atomic Weight: 167.259
Electron Configuration: 2 · 8 · 18 30 · 8 · 2
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, Periodic Table of the Elements: Europium Periodic Table of the Elements: Europium
Atomic Number: 63
Atomic Symbol: Eu
  Europium
Atomic Weight: 151.964
Electron Configuration: 2 · 8 · 18 25 · 8 · 2
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, Periodic Table of the Elements: Fermium Periodic Table of the Elements: Fermium
Atomic Number: 100
Atomic Symbol: Fm
  Fermium
Atomic Weight: (257)
Electron Configuration: 2 · 8 · 18 32 · 30 8 · 2
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, Periodic Table of the Elements: Fluorine Periodic Table of the Elements: Fluorine
Atomic Number: 9
Atomic Symbol: F
  Fluorine
Atomic Weight: 18.9984
Electron Configuration: 2 · 7
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, Periodic Table of the Elements: Flerovium Periodic Table of the Elements: Flerovium
Atomic Number: 114
Atomic Symbol: Fl
  Flerovium
Atomic Weight: (289)
Electron Configuration: 2 · 8 · 18 32 · 32 18 · 4
..... Click the link for more information.
, Periodic Table of the Elements: Francium Periodic Table of the Elements: Francium
Atomic Number: 87
Atomic Symbol: Fr
  Francium
Atomic Weight: (223)
Electron Configuration: 2 · 8 · 18 32 · 18 8 · 1
..... Click the link for more information.
, Periodic Table of the Elements: Gadolinium Periodic Table of the Elements: Gadolinium
Atomic Number: 64
Atomic Symbol: Gd
  Gadolinium
Atomic Weight: 157.25
Electron Configuration: 2 · 8 · 18 25 · 9 · 2
..... Click the link for more information.
, Periodic Table of the Elements: Gallium Periodic Table of the Elements: Gallium
Atomic Number: 31
Atomic Symbol: Ga
  Gallium
Atomic Weight: 69.723
Electron Configuration: 2 · 8 · 18 · 3
..... Click the link for more information.
, Periodic Table of the Elements: Germanium Periodic Table of the Elements: Germanium
Atomic Number: 32
Atomic Symbol: Ge
  Germanium
Atomic Weight: 72.63
Electron Configuration: 2 · 8 · 18 · 4
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, Periodic Table of the Elements: Gold Periodic Table of the Elements: Gold
Atomic Number: 79
Atomic Symbol: Au
  Gold
Atomic Weight: 196.96657
Electron Configuration: 2 · 8 · 18 32 · 18 · 1
..... Click the link for more information.
, Periodic Table of the Elements: Hafnium Periodic Table of the Elements: Hafnium
Atomic Number: 72
Atomic Symbol: Hf
  Hafnium
Atomic Weight: 178.49
Electron Configuration: 2 · 8 · 18 32 · 10 · 2
..... Click the link for more information.
, Periodic Table of the Elements: Hassium Periodic Table of the Elements: Hassium
Atomic Number: 108
Atomic Symbol: Hs
  Hassium
Atomic Weight: (277)
Electron Configuration: 2 · 8 · 18 32 · 32 14 · 2
..... Click the link for more information.
, Periodic Table of the Elements: Helium Periodic Table of the Elements: Helium
Atomic Number: 2
Atomic Symbol: He
  Helium
Atomic Weight: 4.0026
Electron Configuration: 2
..... Click the link for more information.
, Periodic Table of the Elements: Holmium Periodic Table of the Elements: Holmium
Atomic Number: 67
Atomic Symbol: Ho
  Holmium
Atomic Weight: 164.93032
Electron Configuration: 2 · 8 · 18 29 · 8 · 2
..... Click the link for more information.
, Periodic Table of the Elements: Hydrogen Periodic Table of the Elements: Hydrogen
Atomic Number: 1
Atomic Symbol: H
  Hydrogen
Atomic Weight: [1.00784; 1.00811]
Electron Configuration: 1
..... Click the link for more information.
, Periodic Table of the Elements: Indium Periodic Table of the Elements: Indium
Atomic Number: 49
Atomic Symbol: In
  Indium
Atomic Weight: 114.818
Electron Configuration: 2 · 8 · 18 18 · 3
..... Click the link for more information.
, Periodic Table of the Elements: Iodine Periodic Table of the Elements: Iodine
Atomic Number: 53
Atomic Symbol: I
  Iodine
Atomic Weight: 126.90447
Electron Configuration: 2 · 8 · 18 18 · 7
..... Click the link for more information.
, Periodic Table of the Elements: Iridium Periodic Table of the Elements: Iridium
Atomic Number: 77
Atomic Symbol: Ir
  Iridium
Atomic Weight: 192.217
Electron Configuration: 2 · 8 · 18 32 · 15 · 2
..... Click the link for more information.
, Periodic Table of the Elements: Iron Periodic Table of the Elements: Iron
Atomic Number: 26
Atomic Symbol: Fe
  Iron
Atomic Weight: 55.845
Electron Configuration: 2 · 8 · 14 · 2
..... Click the link for more information.
, Periodic Table of the Elements: Krypton Periodic Table of the Elements: Krypton
Atomic Number: 36
Atomic Symbol: Kr
  Krypton
Atomic Weight: 83.798
Electron Configuration: 2 · 8 · 18 · 8
..... Click the link for more information.
, Periodic Table of the Elements: Lanthanum Periodic Table of the Elements: Lanthanum
Atomic Number: 57
Atomic Symbol: La
  Lanthanum
Atomic Weight: 138.90547
Electron Configuration: 2 · 8 · 18 18 · 9 · 2
..... Click the link for more information.
, Periodic Table of the Elements: Lawrencium Periodic Table of the Elements: Lawrencium
Atomic Number: 103
Atomic Symbol: Lr
  Lawrencium
Atomic Weight: (262)
Electron Configuration: 2 · 8 · 18 32 · 32 9 · 2
..... Click the link for more information.
, Periodic Table of the Elements: Lead Periodic Table of the Elements: Lead
Atomic Number: 82
Atomic Symbol: Pb
  Lead
Atomic Weight: 207.2
Electron Configuration: 2 · 8 · 18 32 · 18 · 4
..... Click the link for more information.
, Periodic Table of the Elements: Lithium Periodic Table of the Elements: Lithium
Atomic Number: 3
Atomic Symbol: Li
  Lithium
Atomic Weight: [6.938; 6.997]
Electron Configuration: 2 · 1
..... Click the link for more information.
, Periodic Table of the Elements: Lutetium Periodic Table of the Elements: Lutetium
Atomic Number: 71
Atomic Symbol: Lu
  Lutetium
Atomic Weight: 174.9668
Electron Configuration: 2 · 8 · 18 32 · 9 · 2
..... Click the link for more information.
, Periodic Table of the Elements: Livermorium Periodic Table of the Elements: Livermorium
Atomic Number: 116
Atomic Symbol: Lv
  Livermorium
Atomic Weight: (292)
Electron Configuration: 2 · 8 · 18 32 · 32 18 · 6
..... Click the link for more information.
, Periodic Table of the Elements: Magnesium Periodic Table of the Elements: Magnesium
Atomic Number: 12
Atomic Symbol: Mg
  Magnesium
Atomic Weight: 24.3050
Electron Configuration: 2 · 8 · 2
..... Click the link for more information.
, Periodic Table of the Elements: Manganese Periodic Table of the Elements: Manganese
Atomic Number: 25
Atomic Symbol: Mn
  Manganese
Atomic Weight: 54.93805
Electron Configuration: 2 · 8 · 13 · 2
..... Click the link for more information.
, Periodic Table of the Elements: Meitnerium Periodic Table of the Elements: Meitnerium
Atomic Number: 109
Atomic Symbol: Mt
  Meitnerium
Atomic Weight: (276)
Electron Configuration: 2 · 8 · 18 32 · 32 15 · 2
..... Click the link for more information.
, Periodic Table of the Elements: Mendelevium Periodic Table of the Elements: Mendelevium
Atomic Number: 101
Atomic Symbol: Md
  Mendelevium
Atomic Weight: (258)
Electron Configuration: 2 · 8 · 18 32 · 31 8 · 2
..... Click the link for more information.
, Periodic Table of the Elements: Mercury Periodic Table of the Elements: Mercury
Atomic Number: 80
Atomic Symbol: Hg
  Mercury
Atomic Weight: 200.59
Electron Configuration: 2 · 8 · 18 32 · 18 · 2
..... Click the link for more information.
, Periodic Table of the Elements: Molybdenum Periodic Table of the Elements: Molybdenum
Atomic Number: 42
Atomic Symbol: Mo
  Molybdenum
Atomic Weight: 95.96
Electron Configuration: 2 · 8 · 18 13 · 1
..... Click the link for more information.
, Periodic Table of the Elements: Moscovium Periodic Table of the Elements: Moscovium
Atomic Number: 115
Atomic Symbol: Mc
  Moscovium
Atomic Weight: (288)
Electron Configuration: 2 · 8 · 18 32 · 32 18 · 6
..... Click the link for more information.
, Periodic Table of the Elements: Neodymium Periodic Table of the Elements: Neodymium
Atomic Number: 60
Atomic Symbol: Nd
  Neodymium
Atomic Weight: 144.242
Electron Configuration: 2 · 8 · 18 22 · 8 · 2
..... Click the link for more information.
, Periodic Table of the Elements: Neon Periodic Table of the Elements: Neon
Atomic Number: 10
Atomic Symbol: Ne
  Neon
Atomic Weight: 20.1797
Electron Configuration: 2 · 8
..... Click the link for more information.
, Periodic Table of the Elements: Neptunium Periodic Table of the Elements: Neptunium
Atomic Number: 93
Atomic Symbol: Np
  Neptunium
Atomic Weight: (237)
Electron Configuration: 2 · 8 · 18 32 · 22 9 · 2
..... Click the link for more information.
, Periodic Table of the Elements: Nickel Periodic Table of the Elements: Nickel
Atomic Number: 28
Atomic Symbol: Ni
  Nickel
Atomic Weight: 58.6934
Electron Configuration: 2 · 8 · 16 · 2
..... Click the link for more information.
, Periodic Table of the Elements: Nihonium Periodic Table of the Elements: Nihonium
Atomic Number: 113
Atomic Symbol: Nh
  Nihonium
Atomic Weight: (284)
Electron Configuration: 2 · 8 · 18 32 · 32 18 · 6
..... Click the link for more information.
, Periodic Table of the Elements: Niobium Periodic Table of the Elements: Niobium
Atomic Number: 41
Atomic Symbol: Nb
  Niobium
Atomic Weight: 92.90638
Electron Configuration: 2 · 8 · 18 12 · 1
..... Click the link for more information.
, Periodic Table of the Elements: Nitrogen Periodic Table of the Elements: Nitrogen
Atomic Number: 7
Atomic Symbol: N
  Nitrogen
Atomic Weight: [14.00643; 14.00728]
Electron Configuration: 2 · 5
..... Click the link for more information.
, Periodic Table of the Elements: Nobelium Periodic Table of the Elements: Nobelium
Atomic Number: 102
Atomic Symbol: No
  Nobelium
Atomic Weight: (259)
Electron Configuration: 2 · 8 · 18 32 · 32 8 · 2
..... Click the link for more information.
, Periodic Table of the Elements: Oganesson Periodic Table of the Elements: Oganesson
Atomic Number: 118
Atomic Symbol: Og
  Oganesson
Atomic Weight: (294)
Electron Configuration: 2 · 8 · 18 32 · 32 18 · 8
..... Click the link for more information.
, Periodic Table of the Elements: Osmium Periodic Table of the Elements: Osmium
Atomic Number: 76
Atomic Symbol: Os
  Osmium
Atomic Weight: 190.23
Electron Configuration: 2 · 8 · 18 32 · 14 · 2
..... Click the link for more information.
, Periodic Table of the Elements: Oxygen Periodic Table of the Elements: Oxygen
Atomic Number: 8
Atomic Symbol: O
  Oxygen
Atomic Weight: [15.99903; 15.99977]
Electron Configuration: 2 · 6
..... Click the link for more information.
, Periodic Table of the Elements: Palladium Periodic Table of the Elements: Palladium
Atomic Number: 46
Atomic Symbol: Pd
  Palladium
Atomic Weight: 106.42
Electron Configuration: 2 · 8 · 18 18 · 0
..... Click the link for more information.
, Periodic Table of the Elements: Phosphorus Periodic Table of the Elements: Phosphorus
Atomic Number: 15
Atomic Symbol: P
  Phosphorus
Atomic Weight: 30.97376
Electron Configuration: 2 · 8 · 5
..... Click the link for more information.
, Periodic Table of the Elements: Platinum Periodic Table of the Elements: Platinum
Atomic Number: 78
Atomic Symbol: Pt
  Platinum
Atomic Weight: 195.084
Electron Configuration: 2 · 8 · 18 32 · 16 · 2
..... Click the link for more information.
, Periodic Table of the Elements: Plutonium Periodic Table of the Elements: Plutonium
Atomic Number: 94
Atomic Symbol: Pu
  Plutonium
Atomic Weight: (244)
Electron Configuration: 2 · 8 · 18 32 · 24 8 · 2
..... Click the link for more information.
, Periodic Table of the Elements: Polonium Periodic Table of the Elements: Polonium
Atomic Number: 84
Atomic Symbol: Po
  Polonium
Atomic Weight: (209)
Electron Configuration: 2 · 8 · 18 32 · 18 · 6
..... Click the link for more information.
, Periodic Table of the Elements: Potassium Periodic Table of the Elements: Potassium
Atomic Number: 19
Atomic Symbol: K
  Potassium
Atomic Weight: 39.0983
Electron Configuration: 2 · 8 · 8 · 1
..... Click the link for more information.
, Periodic Table of the Elements: Praseodymium Periodic Table of the Elements: Praseodymium
Atomic Number: 59
Atomic Symbol: Pr
  Praseodymium
Atomic Weight: 140.90765
Electron Configuration: 2 · 8 · 18 21 · 8 · 2
..... Click the link for more information.
, Periodic Table of the Elements: Promethium Periodic Table of the Elements: Promethium
Atomic Number: 61
Atomic Symbol: Pm
  Promethium
Atomic Weight: (145)
Electron Configuration: 2 · 8 · 18 23 · 8 · 2
..... Click the link for more information.
, Periodic Table of the Elements: Protactinium Periodic Table of the Elements: Protactinium
Atomic Number: 91
Atomic Symbol: Pa
  Protactinium
Atomic Weight: 231.03588
Electron Configuration: 2 · 8 · 18 32 · 20 9 · 2
..... Click the link for more information.
, Periodic Table of the Elements: Radium Periodic Table of the Elements: Radium
Atomic Number: 88
Atomic Symbol: Ra
  Radium
Atomic Weight: (226)
Electron Configuration: 2 · 8 · 18 32 · 18 8 · 2
..... Click the link for more information.
, Periodic Table of the Elements: Radon Periodic Table of the Elements: Radon
Atomic Number: 86
Atomic Symbol: Rn
  Radon
Atomic Weight: (222)
Electron Configuration: 2 · 8 · 18 32 · 18 · 8
..... Click the link for more information.
, Periodic Table of the Elements: Rhenium Periodic Table of the Elements: Rhenium
Atomic Number: 75
Atomic Symbol: Re
  Rhenium
Atomic Weight: 186.207
Electron Configuration: 2 · 8 · 18 32 · 13 · 2
..... Click the link for more information.
, Periodic Table of the Elements: Rhodium Periodic Table of the Elements: Rhodium
Atomic Number: 45
Atomic Symbol: Rh
  Rhodium
Atomic Weight: 102.90550
Electron Configuration: 2 · 8 · 18 16 · 1
..... Click the link for more information.
, Periodic Table of the Elements: Roentgenium Periodic Table of the Elements: Roentgenium
Atomic Number: 111
Atomic Symbol: Rg
  Roentgenium
Atomic Weight: (280)
Electron Configuration: 2 · 8 · 18 32 · 32 18 · 1
..... Click the link for more information.
, Periodic Table of the Elements: Rubidium Periodic Table of the Elements: Rubidium
Atomic Number: 37
Atomic Symbol: Rb
  Rubidium
Atomic Weight: 85.4678
Electron Configuration: 2 · 8 · 18 8 · 1
..... Click the link for more information.
, Periodic Table of the Elements: Ruthenium Periodic Table of the Elements: Ruthenium
Atomic Number: 44
Atomic Symbol: Ru
  Ruthenium
Atomic Weight: 101.07
Electron Configuration: 2 · 8 · 18 15 · 1
..... Click the link for more information.
, Periodic Table of the Elements: Rutherfordium Periodic Table of the Elements: Rutherfordium
Atomic Number: 104
Atomic Symbol: Rf
  Rutherfordium
Atomic Weight: (265)
Electron Configuration: 2 · 8 · 18 32 · 32 10 · 2
..... Click the link for more information.
, Periodic Table of the Elements: Samarium Periodic Table of the Elements: Samarium
Atomic Number: 62
Atomic Symbol: Sm
  Samarium
Atomic Weight: 150.36
Electron Configuration: 2 · 8 · 18 24 · 8 · 2
..... Click the link for more information.
, Periodic Table of the Elements: Scandium Periodic Table of the Elements: Scandium
Atomic Number: 21
Atomic Symbol: Sc
  Scandium
Atomic Weight: 44.95591
Electron Configuration: 2 · 8 · 9 · 2
..... Click the link for more information.
, Periodic Table of the Elements: Seaborgium Periodic Table of the Elements: Seaborgium
Atomic Number: 106
Atomic Symbol: Sg
  Seaborgium
Atomic Weight: (271)
Electron Configuration: 2 · 8 · 18 32 · 32 12 · 2
..... Click the link for more information.
, Periodic Table of the Elements: Selenium Periodic Table of the Elements: Selenium
Atomic Number: 34
Atomic Symbol: Se
  Selenium
Atomic Weight: 78.96
Electron Configuration: 2 · 8 · 18 · 6
..... Click the link for more information.
, Periodic Table of the Elements: Silicon Periodic Table of the Elements: Silicon
Atomic Number: 14
Atomic Symbol: Si
  Silicon
Atomic Weight: [28.084; 28.086]
Electron Configuration: 2 · 8 · 4
..... Click the link for more information.
, Periodic Table of the Elements: Silver Periodic Table of the Elements: Silver
Atomic Number: 47
Atomic Symbol: Ag
  Silver
Atomic Weight: 107.8682
Electron Configuration: 2 · 8 · 18 18 · 1
..... Click the link for more information.
, Periodic Table of the Elements: Sodium Periodic Table of the Elements: Sodium
Atomic Number: 11
Atomic Symbol: Na
  Sodium
Atomic Weight: 22.98977
Electron Configuration: 2 · 8 · 1
..... Click the link for more information.
, Periodic Table of the Elements: Strontium Periodic Table of the Elements: Strontium
Atomic Number: 38
Atomic Symbol: Sr
  Strontium
Atomic Weight: 87.62
Electron Configuration: 2 · 8 · 18 8 · 2
..... Click the link for more information.
, Periodic Table of the Elements: Sulfur Periodic Table of the Elements: Sulfur
Atomic Number: 16
Atomic Symbol: S
  Sulfur
Atomic Weight: [32.059; 32.076]
Electron Configuration: 2 · 8 · 6
..... Click the link for more information.
, Periodic Table of the Elements: Tantalum Periodic Table of the Elements: Tantalum
Atomic Number: 73
Atomic Symbol: Ta
  Tantalum
Atomic Weight: 180.94788
Electron Configuration: 2 · 8 · 18 32 · 11 · 2
..... Click the link for more information.
, Periodic Table of the Elements: Technetium Periodic Table of the Elements: Technetium
Atomic Number: 43
Atomic Symbol: Tc
  Technetium
Atomic Weight: (98)
Electron Configuration: 2 · 8 · 18 13 · 2
..... Click the link for more information.
, Periodic Table of the Elements: Tellurium Periodic Table of the Elements: Tellurium
Atomic Number: 52
Atomic Symbol: Te
  Tellurium
Atomic Weight: 127.60
Electron Configuration: 2 · 8 · 18 18 · 6
..... Click the link for more information.
, Periodic Table of the Elements: Tennessine Periodic Table of the Elements: Tennessine
Atomic Number: 117
Atomic Symbol: Ts
  Tennessine
Atomic Weight: (294)
Electron Configuration: 2 · 8 · 18 32 · 32 18 · 7
..... Click the link for more information.
, Periodic Table of the Elements: Terbium Periodic Table of the Elements: Terbium
Atomic Number: 65
Atomic Symbol: Tb
  Terbium
Atomic Weight: 158.92535
Electron Configuration: 2 · 8 · 18 27 · 8 · 2
..... Click the link for more information.
, Periodic Table of the Elements: Thallium Periodic Table of the Elements: Thallium
Atomic Number: 81
Atomic Symbol: Tl
  Thallium
Atomic Weight: [204.382; 204.385]
Electron Configuration: 2 · 8 · 18 32 · 18 · 3
..... Click the link for more information.
, Periodic Table of the Elements: Thorium Periodic Table of the Elements: Thorium
Atomic Number: 90
Atomic Symbol: Th
  Thorium
Atomic Weight: 232.03806
Electron Configuration: 2 · 8 · 18 32 · 18 10 · 2
..... Click the link for more information.
, Periodic Table of the Elements: Thulium Periodic Table of the Elements: Thulium
Atomic Number: 69
Atomic Symbol: Tm
  Thulium
Atomic Weight: 168.93421
Electron Configuration: 2 · 8 · 18 31 · 8 · 2
..... Click the link for more information.
, Periodic Table of the Elements: Tin Periodic Table of the Elements: Tin
Atomic Number: 50
Atomic Symbol: Sn
  Tin
Atomic Weight: 118.710
Electron Configuration: 2 · 8 · 18 18 · 4
..... Click the link for more information.
, Periodic Table of the Elements: Titanium Periodic Table of the Elements: Titanium
Atomic Number: 22
Atomic Symbol: Ti
  Titanium
Atomic Weight: 47.867
Electron Configuration: 2 · 8 · 10 · 2
..... Click the link for more information.
, Periodic Table of the Elements: Tungsten Periodic Table of the Elements: Tungsten
Atomic Number: 74
Atomic Symbol: W
  Tungsten
Atomic Weight: 183.84
Electron Configuration: 2 · 8 · 18 32 · 12 · 2
..... Click the link for more information.
, Periodic Table of the Elements: Uranium Periodic Table of the Elements: Uranium
Atomic Number: 92
Atomic Symbol: U
  Uranium
Atomic Weight: 238.02891
Electron Configuration: 2 · 8 · 18 32 · 21 9 · 2
..... Click the link for more information.
, Periodic Table of the Elements: Vanadium Periodic Table of the Elements: Vanadium
Atomic Number: 23
Atomic Symbol: V
  Vanadium
Atomic Weight: 50.9415
Electron Configuration: 2 · 8 · 11 · 2
..... Click the link for more information.
, Periodic Table of the Elements: Xenon Periodic Table of the Elements: Xenon
Atomic Number: 54
Atomic Symbol: Xe
  Xenon
Atomic Weight: 131.293
Electron Configuration: 2 · 8 · 18 18 · 8
..... Click the link for more information.
, Periodic Table of the Elements: Ytterbium Periodic Table of the Elements: Ytterbium
Atomic Number: 70
Atomic Symbol: Yb
  Ytterbium
Atomic Weight: 173.054
Electron Configuration: 2 · 8 · 18 32 · 8 · 2
..... Click the link for more information.
, Periodic Table of the Elements: Yttrium Periodic Table of the Elements: Yttrium
Atomic Number: 39
Atomic Symbol: Y
  Yttrium
Atomic Weight: 88.90585
Electron Configuration: 2 · 8 · 18 9 · 2
..... Click the link for more information.
, Periodic Table of the Elements: Zinc Periodic Table of the Elements: Zinc
Atomic Number: 30
Atomic Symbol: Zn
  Zinc
Atomic Weight: 65.38
Electron Configuration: 2 · 8 · 18 · 2
..... Click the link for more information.
, Periodic Table of the Elements: Zirconium Periodic Table of the Elements: Zirconium
Atomic Number: 40
Atomic Symbol: Zr
  Zirconium
Atomic Weight: 91.224
Electron Configuration: 2 · 8 · 18 10 · 2
..... Click the link for more information.

Related article: periodic table periodic table,
chart of the elements arranged according to the periodic law discovered by Dmitri I. Mendeleev and revised by Henry G. J. Moseley. In the periodic table the elements are arranged in columns and rows according to increasing atomic number (see the table entitled
..... Click the link for more information.

Periodic Table of the Elements
(showing atomic number and atomic symbol; click on atomic symbol for more detailed information)

Groups                                  
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
1 HPeriodic Table of the Elements: Hydrogen
Atomic Number: 1
Atomic Symbol: H
  Hydrogen
Atomic Weight: [1.00784; 1.00811]
Electron Configuration: 1
..... Click the link for more information.
                                2 HePeriodic Table of the Elements: Helium
Atomic Number: 2
Atomic Symbol: He
  Helium
Atomic Weight: 4.0026
Electron Configuration: 2
..... Click the link for more information.
3 LiPeriodic Table of the Elements: Lithium
Atomic Number: 3
Atomic Symbol: Li
  Lithium
Atomic Weight: [6.938; 6.997]
Electron Configuration: 2 · 1
..... Click the link for more information.
4 BePeriodic Table of the Elements: Beryllium
Atomic Number: 4
Atomic Symbol: Be
  Beryllium
Atomic Weight: 9.01218
Electron Configuration: 2 · 2
..... Click the link for more information.
                    5 BPeriodic Table of the Elements: Boron
Atomic Number: 5
Atomic Symbol: B
  Boron
Atomic Weight: [10.806; 10.821]
Electron Configuration: 2 · 3
..... Click the link for more information.
6 CPeriodic Table of the Elements: Carbon
Atomic Number: 6
Atomic Symbol: C
  Carbon
Atomic Weight: [12.0096; 12.0116]
Electron Configuration: 2 · 4
..... Click the link for more information.
7 NPeriodic Table of the Elements: Nitrogen
Atomic Number: 7
Atomic Symbol: N
  Nitrogen
Atomic Weight: [14.00643; 14.00728]
Electron Configuration: 2 · 5
..... Click the link for more information.
8 OPeriodic Table of the Elements: Oxygen
Atomic Number: 8
Atomic Symbol: O
  Oxygen
Atomic Weight: [15.99903; 15.99977]
Electron Configuration: 2 · 6
..... Click the link for more information.
9 FPeriodic Table of the Elements: Fluorine
Atomic Number: 9
Atomic Symbol: F
  Fluorine
Atomic Weight: 18.9984
Electron Configuration: 2 · 7
..... Click the link for more information.
10 NePeriodic Table of the Elements: Neon
Atomic Number: 10
Atomic Symbol: Ne
  Neon
Atomic Weight: 20.1797
Electron Configuration: 2 · 8
..... Click the link for more information.
11 NaPeriodic Table of the Elements: Sodium
Atomic Number: 11
Atomic Symbol: Na
  Sodium
Atomic Weight: 22.98977
Electron Configuration: 2 · 8 · 1
..... Click the link for more information.
12 MgPeriodic Table of the Elements: Magnesium
Atomic Number: 12
Atomic Symbol: Mg
  Magnesium
Atomic Weight: 24.3050
Electron Configuration: 2 · 8 · 2
..... Click the link for more information.
                    13 AlPeriodic Table of the Elements: Aluminum
Atomic Number: 13
Atomic Symbol: Al
  Aluminum
Atomic Weight: 26.98154
Electron Configuration: 2 · 8 · 3
..... Click the link for more information.
14 SiPeriodic Table of the Elements: Silicon
Atomic Number: 14
Atomic Symbol: Si
  Silicon
Atomic Weight: [28.084; 28.086]
Electron Configuration: 2 · 8 · 4
..... Click the link for more information.
15 PPeriodic Table of the Elements: Phosphorus
Atomic Number: 15
Atomic Symbol: P
  Phosphorus
Atomic Weight: 30.97376
Electron Configuration: 2 · 8 · 5
..... Click the link for more information.
16 SPeriodic Table of the Elements: Sulfur
Atomic Number: 16
Atomic Symbol: S
  Sulfur
Atomic Weight: [32.059; 32.076]
Electron Configuration: 2 · 8 · 6
..... Click the link for more information.
17 ClPeriodic Table of the Elements: Chlorine
Atomic Number: 17
Atomic Symbol: Cl
  Chlorine
Atomic Weight: [35.446; 35.457]
Electron Configuration: 2 · 8 · 7
..... Click the link for more information.
18 ArPeriodic Table of the Elements: Argon
Atomic Number: 18
Atomic Symbol: Ar
  Argon
Atomic Weight: 39.948
Electron Configuration: 2 · 8 · 8
..... Click the link for more information.
19 KPeriodic Table of the Elements: Potassium
Atomic Number: 19
Atomic Symbol: K
  Potassium
Atomic Weight: 39.0983
Electron Configuration: 2 · 8 · 8 · 1
..... Click the link for more information.
20 CaPeriodic Table of the Elements: Calcium
Atomic Number: 20
Atomic Symbol: Ca
  Calcium
Atomic Weight: 40.078
Electron Configuration: 2 · 8 · 8 · 2
..... Click the link for more information.
21 ScPeriodic Table of the Elements: Scandium
Atomic Number: 21
Atomic Symbol: Sc
  Scandium
Atomic Weight: 44.95591
Electron Configuration: 2 · 8 · 9 · 2
..... Click the link for more information.
22 TiPeriodic Table of the Elements: Titanium
Atomic Number: 22
Atomic Symbol: Ti
  Titanium
Atomic Weight: 47.867
Electron Configuration: 2 · 8 · 10 · 2
..... Click the link for more information.
23 VPeriodic Table of the Elements: Vanadium
Atomic Number: 23
Atomic Symbol: V
  Vanadium
Atomic Weight: 50.9415
Electron Configuration: 2 · 8 · 11 · 2
..... Click the link for more information.
24 CrPeriodic Table of the Elements: Chromium
Atomic Number: 24
Atomic Symbol: Cr
  Chromium
Atomic Weight: 51.9961
Electron Configuration: 2 · 8 · 13 · 1
..... Click the link for more information.
25 MnPeriodic Table of the Elements: Manganese
Atomic Number: 25
Atomic Symbol: Mn
  Manganese
Atomic Weight: 54.93805
Electron Configuration: 2 · 8 · 13 · 2
..... Click the link for more information.
26 FePeriodic Table of the Elements: Iron
Atomic Number: 26
Atomic Symbol: Fe
  Iron
Atomic Weight: 55.845
Electron Configuration: 2 · 8 · 14 · 2
..... Click the link for more information.
27 CoPeriodic Table of the Elements: Cobalt
Atomic Number: 27
Atomic Symbol: Co
  Cobalt
Atomic Weight: 58.9332
Electron Configuration: 2 · 8 · 15 · 2
..... Click the link for more information.
28 NiPeriodic Table of the Elements: Nickel
Atomic Number: 28
Atomic Symbol: Ni
  Nickel
Atomic Weight: 58.6934
Electron Configuration: 2 · 8 · 16 · 2
..... Click the link for more information.
29 CuPeriodic Table of the Elements: Copper
Atomic Number: 29
Atomic Symbol: Cu
  Copper
Atomic Weight: 63.546
Electron Configuration: 2 · 8 · 18 · 1
..... Click the link for more information.
30 ZnPeriodic Table of the Elements: Zinc
Atomic Number: 30
Atomic Symbol: Zn
  Zinc
Atomic Weight: 65.38
Electron Configuration: 2 · 8 · 18 · 2
..... Click the link for more information.
31 GaPeriodic Table of the Elements: Gallium
Atomic Number: 31
Atomic Symbol: Ga
  Gallium
Atomic Weight: 69.723
Electron Configuration: 2 · 8 · 18 · 3
..... Click the link for more information.
32 GePeriodic Table of the Elements: Germanium
Atomic Number: 32
Atomic Symbol: Ge
  Germanium
Atomic Weight: 72.63
Electron Configuration: 2 · 8 · 18 · 4
..... Click the link for more information.
33 AsPeriodic Table of the Elements: Arsenic
Atomic Number: 33
Atomic Symbol: As
  Arsenic
Atomic Weight: 74.92160
Electron Configuration: 2 · 8 · 18 · 5
..... Click the link for more information.
34 SePeriodic Table of the Elements: Selenium
Atomic Number: 34
Atomic Symbol: Se
  Selenium
Atomic Weight: 78.96
Electron Configuration: 2 · 8 · 18 · 6
..... Click the link for more information.
35 BrPeriodic Table of the Elements: Bromine
Atomic Number: 35
Atomic Symbol: Br
  Bromine
Atomic Weight: 79.904
Electron Configuration: 2 · 8 · 18 · 7
..... Click the link for more information.
36 KrPeriodic Table of the Elements: Krypton
Atomic Number: 36
Atomic Symbol: Kr
  Krypton
Atomic Weight: 83.798
Electron Configuration: 2 · 8 · 18 · 8
..... Click the link for more information.
37 RbPeriodic Table of the Elements: Rubidium
Atomic Number: 37
Atomic Symbol: Rb
  Rubidium
Atomic Weight: 85.4678
Electron Configuration: 2 · 8 · 18 8 · 1
..... Click the link for more information.
38 SrPeriodic Table of the Elements: Strontium
Atomic Number: 38
Atomic Symbol: Sr
  Strontium
Atomic Weight: 87.62
Electron Configuration: 2 · 8 · 18 8 · 2
..... Click the link for more information.
39 YPeriodic Table of the Elements: Yttrium
Atomic Number: 39
Atomic Symbol: Y
  Yttrium
Atomic Weight: 88.90585
Electron Configuration: 2 · 8 · 18 9 · 2
..... Click the link for more information.
40 ZrPeriodic Table of the Elements: Zirconium
Atomic Number: 40
Atomic Symbol: Zr
  Zirconium
Atomic Weight: 91.224
Electron Configuration: 2 · 8 · 18 10 · 2
..... Click the link for more information.
41 NbPeriodic Table of the Elements: Niobium
Atomic Number: 41
Atomic Symbol: Nb
  Niobium
Atomic Weight: 92.90638
Electron Configuration: 2 · 8 · 18 12 · 1
..... Click the link for more information.
42 MoPeriodic Table of the Elements: Molybdenum
Atomic Number: 42
Atomic Symbol: Mo
  Molybdenum
Atomic Weight: 95.96
Electron Configuration: 2 · 8 · 18 13 · 1
..... Click the link for more information.
43 TcPeriodic Table of the Elements: Technetium
Atomic Number: 43
Atomic Symbol: Tc
  Technetium
Atomic Weight: (98)
Electron Configuration: 2 · 8 · 18 13 · 2
..... Click the link for more information.
44 RuPeriodic Table of the Elements: Ruthenium
Atomic Number: 44
Atomic Symbol: Ru
  Ruthenium
Atomic Weight: 101.07
Electron Configuration: 2 · 8 · 18 15 · 1
..... Click the link for more information.
45 RhPeriodic Table of the Elements: Rhodium
Atomic Number: 45
Atomic Symbol: Rh
  Rhodium
Atomic Weight: 102.90550
Electron Configuration: 2 · 8 · 18 16 · 1
..... Click the link for more information.
46 PdPeriodic Table of the Elements: Palladium
Atomic Number: 46
Atomic Symbol: Pd
  Palladium
Atomic Weight: 106.42
Electron Configuration: 2 · 8 · 18 18 · 0
..... Click the link for more information.
47 AgPeriodic Table of the Elements: Silver
Atomic Number: 47
Atomic Symbol: Ag
  Silver
Atomic Weight: 107.8682
Electron Configuration: 2 · 8 · 18 18 · 1
..... Click the link for more information.
48 CdPeriodic Table of the Elements: Cadmium
Atomic Number: 48
Atomic Symbol: Cd
  Cadmium
Atomic Weight: 112.411
Electron Configuration: 2 · 8 · 18 18 · 2
..... Click the link for more information.
49 InPeriodic Table of the Elements: Indium
Atomic Number: 49
Atomic Symbol: In
  Indium
Atomic Weight: 114.818
Electron Configuration: 2 · 8 · 18 18 · 3
..... Click the link for more information.
50 SnPeriodic Table of the Elements: Tin
Atomic Number: 50
Atomic Symbol: Sn
  Tin
Atomic Weight: 118.710
Electron Configuration: 2 · 8 · 18 18 · 4
..... Click the link for more information.
51 SbPeriodic Table of the Elements: Antimony
Atomic Number: 51
Atomic Symbol: Sb
  Antimony
Atomic Weight: 121.760
Electron Configuration: 2 · 8 · 18 18 · 5
..... Click the link for more information.
52 TePeriodic Table of the Elements: Tellurium
Atomic Number: 52
Atomic Symbol: Te
  Tellurium
Atomic Weight: 127.60
Electron Configuration: 2 · 8 · 18 18 · 6
..... Click the link for more information.
53 IPeriodic Table of the Elements: Iodine
Atomic Number: 53
Atomic Symbol: I
  Iodine
Atomic Weight: 126.90447
Electron Configuration: 2 · 8 · 18 18 · 7
..... Click the link for more information.
54 XePeriodic Table of the Elements: Xenon
Atomic Number: 54
Atomic Symbol: Xe
  Xenon
Atomic Weight: 131.293
Electron Configuration: 2 · 8 · 18 18 · 8
..... Click the link for more information.
55 CsPeriodic Table of the Elements: Cesium
Atomic Number: 55
Atomic Symbol: Cs
  Cesium
Atomic Weight: 132.90545
Electron Configuration: 2 · 8 · 18 18 · 8 · 1
..... Click the link for more information.
56 BaPeriodic Table of the Elements: Barium
Atomic Number: 56
Atomic Symbol: Ba
  Barium
Atomic Weight: 137.327
Electron Configuration: 2 · 8 · 18 18 · 8 · 2
..... Click the link for more information.
57–71 Lanthanide Series/td> 72 HfPeriodic Table of the Elements: Hafnium
Atomic Number: 72
Atomic Symbol: Hf
  Hafnium
Atomic Weight: 178.49
Electron Configuration: 2 · 8 · 18 32 · 10 · 2
..... Click the link for more information.
73 TaPeriodic Table of the Elements: Tantalum
Atomic Number: 73
Atomic Symbol: Ta
  Tantalum
Atomic Weight: 180.94788
Electron Configuration: 2 · 8 · 18 32 · 11 · 2
..... Click the link for more information.
74 WPeriodic Table of the Elements: Tungsten
Atomic Number: 74
Atomic Symbol: W
  Tungsten
Atomic Weight: 183.84
Electron Configuration: 2 · 8 · 18 32 · 12 · 2
..... Click the link for more information.
75 RePeriodic Table of the Elements: Rhenium
Atomic Number: 75
Atomic Symbol: Re
  Rhenium
Atomic Weight: 186.207
Electron Configuration: 2 · 8 · 18 32 · 13 · 2
..... Click the link for more information.
76 OsPeriodic Table of the Elements: Osmium
Atomic Number: 76
Atomic Symbol: Os
  Osmium
Atomic Weight: 190.23
Electron Configuration: 2 · 8 · 18 32 · 14 · 2
..... Click the link for more information.
77 IrPeriodic Table of the Elements: Iridium
Atomic Number: 77
Atomic Symbol: Ir
  Iridium
Atomic Weight: 192.217
Electron Configuration: 2 · 8 · 18 32 · 15 · 2
..... Click the link for more information.
78 PtPeriodic Table of the Elements: Platinum
Atomic Number: 78
Atomic Symbol: Pt
  Platinum
Atomic Weight: 195.084
Electron Configuration: 2 · 8 · 18 32 · 16 · 2
..... Click the link for more information.
79 AuPeriodic Table of the Elements: Gold
Atomic Number: 79
Atomic Symbol: Au
  Gold
Atomic Weight: 196.96657
Electron Configuration: 2 · 8 · 18 32 · 18 · 1
..... Click the link for more information.
80 HgPeriodic Table of the Elements: Mercury
Atomic Number: 80
Atomic Symbol: Hg
  Mercury
Atomic Weight: 200.59
Electron Configuration: 2 · 8 · 18 32 · 18 · 2
..... Click the link for more information.
81 TlPeriodic Table of the Elements: Thallium
Atomic Number: 81
Atomic Symbol: Tl
  Thallium
Atomic Weight: [204.382; 204.385]
Electron Configuration: 2 · 8 · 18 32 · 18 · 3
..... Click the link for more information.
82 PbPeriodic Table of the Elements: Lead
Atomic Number: 82
Atomic Symbol: Pb
  Lead
Atomic Weight: 207.2
Electron Configuration: 2 · 8 · 18 32 · 18 · 4
..... Click the link for more information.
83 BiPeriodic Table of the Elements: Bismuth
Atomic Number: 83
Atomic Symbol: Bi
  Bismuth
Atomic Weight: 208.98040
Electron Configuration: 2 · 8 · 18 32 · 18 · 5
..... Click the link for more information.
84 PoPeriodic Table of the Elements: Polonium
Atomic Number: 84
Atomic Symbol: Po
  Polonium
Atomic Weight: (209)
Electron Configuration: 2 · 8 · 18 32 · 18 · 6
..... Click the link for more information.
85 AtPeriodic Table of the Elements: Astatine
Atomic Number: 85
Atomic Symbol: At
  Astatine
Atomic Weight: (210)
Electron Configuration: 2 · 8 · 18 32 · 18 · 7
..... Click the link for more information.
86 RnPeriodic Table of the Elements: Radon
Atomic Number: 86
Atomic Symbol: Rn
  Radon
Atomic Weight: (222)
Electron Configuration: 2 · 8 · 18 32 · 18 · 8
..... Click the link for more information.
87 FrPeriodic Table of the Elements: Francium
Atomic Number: 87
Atomic Symbol: Fr
  Francium
Atomic Weight: (223)
Electron Configuration: 2 · 8 · 18 32 · 18 8 · 1
..... Click the link for more information.
88 RaPeriodic Table of the Elements: Radium
Atomic Number: 88
Atomic Symbol: Ra
  Radium
Atomic Weight: (226)
Electron Configuration: 2 · 8 · 18 32 · 18 8 · 2
..... Click the link for more information.
89–103 Actinide Series/td> 104 RfPeriodic Table of the Elements: Rutherfordium
Atomic Number: 104
Atomic Symbol: Rf
  Rutherfordium
Atomic Weight: (265)
Electron Configuration: 2 · 8 · 18 32 · 32 10 · 2
..... Click the link for more information.
105 DbPeriodic Table of the Elements: Dubnium
Atomic Number: 105
Atomic Symbol: Db
  Dubnium
Atomic Weight: (268)
Electron Configuration: 2 · 8 · 18 32 · 32 11 · 2
..... Click the link for more information.
106 SgPeriodic Table of the Elements: Seaborgium
Atomic Number: 106
Atomic Symbol: Sg
  Seaborgium
Atomic Weight: (271)
Electron Configuration: 2 · 8 · 18 32 · 32 12 · 2
..... Click the link for more information.
107 BhPeriodic Table of the Elements: Bohrium
Atomic Number: 107
Atomic Symbol: Bh
  Bohrium
Atomic Weight: (270)
Electron Configuration: 2 · 8 · 18 32 · 32 13 · 2
..... Click the link for more information.
108 HsPeriodic Table of the Elements: Hassium
Atomic Number: 108
Atomic Symbol: Hs
  Hassium
Atomic Weight: (277)
Electron Configuration: 2 · 8 · 18 32 · 32 14 · 2
..... Click the link for more information.
109 MtPeriodic Table of the Elements: Meitnerium
Atomic Number: 109
Atomic Symbol: Mt
  Meitnerium
Atomic Weight: (276)
Electron Configuration: 2 · 8 · 18 32 · 32 15 · 2
..... Click the link for more information.
110 DsPeriodic Table of the Elements: Darmstadtium
Atomic Number: 110
Atomic Symbol: Ds
  Darmstadtium
Atomic Weight: (281)
Electron Configuration: 2 · 8 · 18 32 · 32 17 · 1
..... Click the link for more information.
111 RgPeriodic Table of the Elements: Roentgenium
Atomic Number: 111
Atomic Symbol: Rg
  Roentgenium
Atomic Weight: (280)
Electron Configuration: 2 · 8 · 18 32 · 32 18 · 1
..... Click the link for more information.
112 CnPeriodic Table of the Elements: Copernicium
Atomic Number: 112
Atomic Symbol: Cn
  Copernicium
Atomic Weight: (285)
Electron Configuration: 2 · 8 · 18 32 · 32 18 · 2
..... Click the link for more information.
113 NhPeriodic Table of the Elements: Nihonium
Atomic Number: 113
Atomic Symbol: Nh
  Nihonium
Atomic Weight: (284)
Electron Configuration: 2 · 8 · 18 32 · 32 18 · 6
..... Click the link for more information.
114 FlPeriodic Table of the Elements: Flerovium
Atomic Number: 114
Atomic Symbol: Fl
  Flerovium
Atomic Weight: (289)
Electron Configuration: 2 · 8 · 18 32 · 32 18 · 4
..... Click the link for more information.
115 McPeriodic Table of the Elements: Moscovium
Atomic Number: 115
Atomic Symbol: Mc
  Moscovium
Atomic Weight: (288)
Electron Configuration: 2 · 8 · 18 32 · 32 18 · 6
..... Click the link for more information.
116 LvPeriodic Table of the Elements: Livermorium
Atomic Number: 116
Atomic Symbol: Lv
  Livermorium
Atomic Weight: (292)
Electron Configuration: 2 · 8 · 18 32 · 32 18 · 6
..... Click the link for more information.
117 TsPeriodic Table of the Elements: Tennessine
Atomic Number: 117
Atomic Symbol: Ts
  Tennessine
Atomic Weight: (294)
Electron Configuration: 2 · 8 · 18 32 · 32 18 · 7
..... Click the link for more information.
118 OgPeriodic Table of the Elements: Oganesson
Atomic Number: 118
Atomic Symbol: Og
  Oganesson
Atomic Weight: (294)
Electron Configuration: 2 · 8 · 18 32 · 32 18 · 8
..... Click the link for more information.

Lanthanide Serieslanthanide series,
a series of metallic elements, included in the rare-earth metals, in Group 3 of the periodic table. Members of the series are often called lanthanides, although lanthanum (atomic number 57) is not always considered a member of the series.
..... Click the link for more information.
 
(Rare Earth Elements)
57 LaPeriodic Table of the Elements: Lanthanum
Atomic Number: 57
Atomic Symbol: La
  Lanthanum
Atomic Weight: 138.90547
Electron Configuration: 2 · 8 · 18 18 · 9 · 2
..... Click the link for more information.
58 CePeriodic Table of the Elements: Cerium
Atomic Number: 58
Atomic Symbol: Ce
  Cerium
Atomic Weight: 140.116
Electron Configuration: 2 · 8 · 18 20 · 8 · 2
..... Click the link for more information.
59 PrPeriodic Table of the Elements: Praseodymium
Atomic Number: 59
Atomic Symbol: Pr
  Praseodymium
Atomic Weight: 140.90765
Electron Configuration: 2 · 8 · 18 21 · 8 · 2
..... Click the link for more information.
60 NdPeriodic Table of the Elements: Neodymium
Atomic Number: 60
Atomic Symbol: Nd
  Neodymium
Atomic Weight: 144.242
Electron Configuration: 2 · 8 · 18 22 · 8 · 2
..... Click the link for more information.
61 PmPeriodic Table of the Elements: Promethium
Atomic Number: 61
Atomic Symbol: Pm
  Promethium
Atomic Weight: (145)
Electron Configuration: 2 · 8 · 18 23 · 8 · 2
..... Click the link for more information.
62 SmPeriodic Table of the Elements: Samarium
Atomic Number: 62
Atomic Symbol: Sm
  Samarium
Atomic Weight: 150.36
Electron Configuration: 2 · 8 · 18 24 · 8 · 2
..... Click the link for more information.
63 EuPeriodic Table of the Elements: Europium
Atomic Number: 63
Atomic Symbol: Eu
  Europium
Atomic Weight: 151.964
Electron Configuration: 2 · 8 · 18 25 · 8 · 2
..... Click the link for more information.
64 GdPeriodic Table of the Elements: Gadolinium
Atomic Number: 64
Atomic Symbol: Gd
  Gadolinium
Atomic Weight: 157.25
Electron Configuration: 2 · 8 · 18 25 · 9 · 2
..... Click the link for more information.
65 TbPeriodic Table of the Elements: Terbium
Atomic Number: 65
Atomic Symbol: Tb
  Terbium
Atomic Weight: 158.92535
Electron Configuration: 2 · 8 · 18 27 · 8 · 2
..... Click the link for more information.
66 DyPeriodic Table of the Elements: Dysprosium
Atomic Number: 66
Atomic Symbol: Dy
  Dysprosium
Atomic Weight: 162.500
Electron Configuration: 2 · 8 · 18 28 · 8 · 2
..... Click the link for more information.
67 HoPeriodic Table of the Elements: Holmium
Atomic Number: 67
Atomic Symbol: Ho
  Holmium
Atomic Weight: 164.93032
Electron Configuration: 2 · 8 · 18 29 · 8 · 2
..... Click the link for more information.
68 ErPeriodic Table of the Elements: Erbium
Atomic Number: 68
Atomic Symbol: Er
  Erbium
Atomic Weight: 167.259
Electron Configuration: 2 · 8 · 18 30 · 8 · 2
..... Click the link for more information.
69 TmPeriodic Table of the Elements: Thulium
Atomic Number: 69
Atomic Symbol: Tm
  Thulium
Atomic Weight: 168.93421
Electron Configuration: 2 · 8 · 18 31 · 8 · 2
..... Click the link for more information.
70 YbPeriodic Table of the Elements: Ytterbium
Atomic Number: 70
Atomic Symbol: Yb
  Ytterbium
Atomic Weight: 173.054
Electron Configuration: 2 · 8 · 18 32 · 8 · 2
..... Click the link for more information.
71 LuPeriodic Table of the Elements: Lutetium
Atomic Number: 71
Atomic Symbol: Lu
  Lutetium
Atomic Weight: 174.9668
Electron Configuration: 2 · 8 · 18 32 · 9 · 2
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Actinide Seriesactinide series,
a series of radioactive metallic elements in Group 3 of the periodic table. Members of the series are often called actinides, although actinium (at. no. 89) is not always considered a member of the series.
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(Radioactive Rare Earth Elements)
89 AcPeriodic Table of the Elements: Actinium
Atomic Number: 89
Atomic Symbol: Ac
  Actinium
Atomic Weight: (227)
Electron Configuration: 2 · 8 · 18 32 · 18 9 · 2
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90 ThPeriodic Table of the Elements: Thorium
Atomic Number: 90
Atomic Symbol: Th
  Thorium
Atomic Weight: 232.03806
Electron Configuration: 2 · 8 · 18 32 · 18 10 · 2
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91 PaPeriodic Table of the Elements: Protactinium
Atomic Number: 91
Atomic Symbol: Pa
  Protactinium
Atomic Weight: 231.03588
Electron Configuration: 2 · 8 · 18 32 · 20 9 · 2
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92 UPeriodic Table of the Elements: Uranium
Atomic Number: 92
Atomic Symbol: U
  Uranium
Atomic Weight: 238.02891
Electron Configuration: 2 · 8 · 18 32 · 21 9 · 2
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93 NpPeriodic Table of the Elements: Neptunium
Atomic Number: 93
Atomic Symbol: Np
  Neptunium
Atomic Weight: (237)
Electron Configuration: 2 · 8 · 18 32 · 22 9 · 2
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94 PuPeriodic Table of the Elements: Plutonium
Atomic Number: 94
Atomic Symbol: Pu
  Plutonium
Atomic Weight: (244)
Electron Configuration: 2 · 8 · 18 32 · 24 8 · 2
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95 AmPeriodic Table of the Elements: Americium
Atomic Number: 95
Atomic Symbol: Am
  Americium
Atomic Weight: (243)
Electron Configuration: 2 · 8 · 18 32 · 25 8 · 2
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96 CmPeriodic Table of the Elements: Curium
Atomic Number: 96
Atomic Symbol: Cm
  Curium
Atomic Weight: (247)
Electron Configuration: 2 · 8 · 18 32 · 25 9 · 2
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97 BkPeriodic Table of the Elements: Berkelium
Atomic Number: 97
Atomic Symbol: Bk
  Berkelium
Atomic Weight: (247)
Electron Configuration: 2 · 8 · 18 32 · 27 8 · 2
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98 CfPeriodic Table of the Elements: Californium
Atomic Number: 98
Atomic Symbol: Cf
  Californium
Atomic Weight: (251)
Electron Configuration: 2 · 8 · 18 32 · 28 8 · 2
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99 EsPeriodic Table of the Elements: Einsteinium
Atomic Number: 99
Atomic Symbol: Es
  Einsteinium
Atomic Weight: (252)
Electron Configuration: 2 · 8 · 18 32 · 29 8 · 2
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100 FmPeriodic Table of the Elements: Fermium
Atomic Number: 100
Atomic Symbol: Fm
  Fermium
Atomic Weight: (257)
Electron Configuration: 2 · 8 · 18 32 · 30 8 · 2
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101 MdPeriodic Table of the Elements: Mendelevium
Atomic Number: 101
Atomic Symbol: Md
  Mendelevium
Atomic Weight: (258)
Electron Configuration: 2 · 8 · 18 32 · 31 8 · 2
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102 NoPeriodic Table of the Elements: Nobelium
Atomic Number: 102
Atomic Symbol: No
  Nobelium
Atomic Weight: (259)
Electron Configuration: 2 · 8 · 18 32 · 32 8 · 2
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103 LrPeriodic Table of the Elements: Lawrencium
Atomic Number: 103
Atomic Symbol: Lr
  Lawrencium
Atomic Weight: (262)
Electron Configuration: 2 · 8 · 18 32 · 32 9 · 2
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