Thorium (Th)

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actinide

Element #90

ThSymbol
232.0Atomic mass (u)

Electron configuration

[Rn] 6d2 7s2

Electron shells

K: 2L: 8M: 18N: 32O: 18P: 10Q: 2

Atomic structure

2D orbital diagram

K2e⁻L8e⁻M18e⁻N32e⁻O18e⁻P10e⁻Q2e⁻Th90

3D interactive model

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