Argon (Ar)

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noble gas

Element #18

ArSymbol
39.95Atomic mass (u)

Electron configuration

[Ne] 3s2 3p6

Electron shells

K: 2L: 8M: 8

Atomic structure

2D orbital diagram

K2e⁻L8e⁻M8e⁻Ar18

3D interactive model

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