List of Elements

Related article: element element,
in chemistry, a substance that cannot be decomposed into simpler substances by chemical means. A substance such as a compound can be decomposed into its constituent elements by means of a chemical reaction, but no further simplification can be achieved.
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Elements
Element Symbol Atomic Number Atomic Weight1 Melting Point
(Degrees Celsius)
Boiling Point
(Degrees Celsius)
actinium Ac 89 (227) 1050. 3200. ±300
aluminum Al 13 26.98154 660.37 2467.
americium Am 95 (243) 1172. 2600.
antimony Sb 51 121.760 630.74 1750.
argon Ar 18 39.948 −189.2 −185.7
arsenic As 33 74.92160 817. (at 28 atmospheres) 613. (sublimates)
astatine At 85 (210) 302. (est.) 337. (est.)
           
barium Ba 56 137.327 725. 1640.
berkelium Bk 97 (247) 1050. 2590.
beryllium Be 4 9.01218 1278. ±5 2970.
bismuth Bi 83 208.98040 271.3 1560. ±5
bohrium Bh 107 (270)
boron B 5 [10.806; 10.821] 2300. 2550. (sublimates)
bromine Br 35 79.904 −7.2 58.78
           
cadmium Cd 48 112.411 320.9 765.
calcium Ca 20 40.078 839. ±2 1484.
californium Cf 98 (251) 900. 1470.
carbon C 6 [12.0096; 12.0116] ∼3550. 4827.
cerium Ce 58 140.116 799. 3426.
cesium Cs 55 132.90545 28.40 669.3
chlorine Cl 17 [35.446; 35.457] −100.98 −34.6
chromium Cr 24 51.9961 1857. ±20 2672.
cobalt Co 27 58.9332 1495. 2870.
copernicium Cn 112 (285)
copper Cu 29 63.546 1083.4 ±0.2 2567.
curium Cm 96 (247) 1340. ±40 3110.
           
darmstadtium Ds 110 (281)
dubnium Db 105 (268)
dysprosium Dy 66 162.500 1412. 2562.
           
einsteinium Es 99 (252) 857.
erbium Er 68 167.259 1529. 2863.
europium Eu 63 151.964 822. 1597.
           
fermium Fm 100 (257) 1527.
flerovium Fl 114 (289)
fluorine F 9 18.9984 −219.62 −188.14
francium Fr 87 (223) (27) (est.) (677) (est.)
           
gadolinium Gd 64 157.25 1313. ±1 3266.
gallium Ga 31 69.723 29.78 2403.
germanium Ge 32 72.63 937.4 2830.
gold Au 79 196.96657 1064.43 2808.
           
hafnium Hf 72 178.49 2227. ±20 4602.
hassium Hs 108 (277)
helium He 2 4.0026 <−272.2 −268.934
holmium Ho 67 164.93032 1474. 2425.
hydrogen H 1 [1.00784; 1.00811] −259.14 −252.87
           
indium In 49 114.818 156.61 2080.
iodine I 53 126.90447 113.5 184.35
iridium Ir 77 192.217 2410. 4130.
iron Fe 26 55.845 1535. 2750.
           
krypton Kr 36 83.798 −156.6 −152.30 ±0.10
           
lanthanum La 57 138.90547 921. 3457.
lawrencium Lr 103 (262) 1627.
lead Pb 82 207.2 327.502 1740.
lithium Li 3 [6.938; 6.997] 180.54 1342.
livermorium Lv 116 (292)
lutetium Lu 71 174.9668 1663. 3395.
           
magnesium Mg 12 24.3050 648.8 ±0.5 1090.
manganese Mn 25 54.93805 1244. ±3 1962.
meitnerium Mt 109 (276)
mendelevium Md 101 (258) 827.
mercury Hg 80 200.59 −38.842 356.58
molybdenum Mo 42 95.96 2617. 4612.
moscovium Mc 115 (288)
           
neodymium Nd 60 144.242 1021. 3068.
neon Ne 10 20.1797 −248.67 −246.048
neptunium Np 93 (237) 640. ±1 3902. (est.)
nickel Ni 28 58.6934 1453. 2732.
nihonium Nh 113 (284)
niobium Nb 41 92.90638 2468. ±10 4742.
nitrogen N 7 [14.00643; 14.00728] −209.86 −195.8
nobelium No 102 (259) 827.
           
oganesson Og 118 (294)
osmium Os 76 190.23 3045. ±30 5027. ±100
oxygen O 8 [15.99903; 15.99977] −218.4 −182.962
           
palladium Pd 46 106.42 1554. 2970.
phosphorus P 15 30.97376 44.1 (white) 280. (white)
platinum Pt 78 195.084 1772. 3827. ±100
plutonium Pu 94 (244) 641. 3232.
polonium Po 84 (209) 254. 962.
potassium K 19 39.0983 63.25 760.
praseodymium Pr 59 140.90765 931. 3512.
promethium Pm 61 (145) 1042 3000. (est.)
protactinium Pa 91 231.03588 <1600. 4026.
           
radium Ra 88 (226) 700. 1140.
radon Rn 86 (222) −71. −61.8
rhenium Re 75 186.207 3180. 5627. (est.)
rhodium Rh 45 102.90550 1966. ±3 3727. ±100
roentgenium Rg 111 (280)
rubidium Rb 37 85.4678 38.89 686.
ruthenium Ru 44 101.07 2310. 3900.
rutherfordium Rf 104 (265)
           
samarium Sm 62 150.36 1072. ±5 1791.
scandium Sc 21 44.95591 1541. 2831.
seaborgium Sg 106 (271)
selenium Se 34 78.96 217. 684.9 ±1.0
silicon Si 14 [28.084; 28.086] 1410. 2355.
silver Ag 47 107.8682 961.93 2212.
sodium Na 11 22.98977 97.81 ±0.03 882.9
strontium Sr 38 87.62 269. 1384.
sulfur S 16 [32.059; 32.076] 112.8 444.674
           
tantalum Ta 73 180.94788 2996. 5425. ±100
technetium Tc 43 (98) 2200. 4877.
tellurium Te 52 127.60 449.5 ±0.3 989.8 ±3.8
tennessine Ts 117 (294)
terbium Tb 65 158.92535 1356. 3123.
thallium Tl 81 [204.382; 204.385] 303.5 1457. ±10
thorium Th 90 232.03806 1750. ∼4790.
thulium Tm 69 168.93421 1545. ±15 1947.
tin Sn 50 118.710 231.9681 2270.
titanium Ti 22 47.867 1660. ±10 3287.
tungsten W 74 183.84 3410. ±20 5660.
           
uranium U 92 238.02891 1132.3 ±0.8 3818.
           
vanadium V 23 50.9415 1890. ±10 3380.
           
xenon Xe 54 131.293 −111.9 −107.1 ±3
           
ytterbium Yb 70 173.054 819. 1194.
yttrium Y 39 88.90585 1522. ±8 3338.
           
zinc Zn 30 65.38 419.58 907.
zirconium Zr 40 91.224 1852. ±2 4377.
1 Parentheses indicate most stable isotope; brackets enclose lower and upper bounds of weight variation.
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