Thulium (Tm)

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lanthanide

Element #69

TmSymbol
168.9Atomic mass (u)

Electron configuration

[Xe] 4f13 6s2

Electron shells

K: 2L: 8M: 18N: 31O: 8P: 2

Atomic structure

2D orbital diagram

K2e⁻L8e⁻M18e⁻N31e⁻O8e⁻P2e⁻Tm69

3D interactive model

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