contestada

Analyze and determine in the elements below, what is wrong within it's electron configuration. Must explain what's wrong in the paragraph

Copper: [Ar] 4s² 4d⁹
Neon: 1s² 2s² 2p⁶ 3p⁸

Respuesta :

The electron configuration for copper is
[Ar] 4s^2 3d^9
Neon 1s^2 2s^2 2p^6