Periodic Table of the Elements: Fermium

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Periodic Table of the Elements: Fermium
Atomic Number:100
Atomic Symbol:Fm
 Fermiumfermium
[for Enrico Fermi], artificially produced radioactive chemical element; symbol Fm; at. no. 100; mass no. of most stable isotope 257; m.p. 1,527°C;; b.p. and sp. gr. unknown; valence +2, +3. Fermium is a member of Group 3 of the periodic table.
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Atomic Weight:(257)
Electron Configuration:2 · 8 · 18 32 · 30 8 · 2
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