Francium (Fr)

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alkali metal

Element #87

FrSymbol
(223)Atomic mass (u)

Electron configuration

[Rn] 7s1

Electron shells

K: 2L: 8M: 18N: 32O: 18P: 8Q: 1

Atomic structure

2D orbital diagram

K2e⁻L8e⁻M18e⁻N32e⁻O18e⁻P8e⁻Q1e⁻Fr87

3D interactive model

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