Fermium (Fm)

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actinide

Element #100

FmSymbol
(257)Atomic mass (u)

Electron configuration

[Rn] 5f12 7s2

Electron shells

K: 2L: 8M: 18N: 32O: 30P: 8Q: 2

Atomic structure

2D orbital diagram

K2e⁻L8e⁻M18e⁻N32e⁻O30e⁻P8e⁻Q2e⁻Fm100

3D interactive model

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