Lanthanum (La)

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lanthanide

Element #57

LaSymbol
138.9Atomic mass (u)

Electron configuration

[Xe] 5d1 6s2

Electron shells

K: 2L: 8M: 18N: 18O: 9P: 2

Atomic structure

2D orbital diagram

K2e⁻L8e⁻M18e⁻N18e⁻O9e⁻P2e⁻La57

3D interactive model

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