given-the-electron-configuration-1s-2s-2p-3s-3p-identify-the-number-of-valence-e

Question

Given the electron configuration 1s² 2s² 2p⁶ 3s² 3p⁵, identify the number of valence electrons.

Accepted Answer

7 valence electrons

Answer

2 valence electrons

Answer

5 valence electrons

Answer

10 valence electrons

Given the electron configuration 1s2 2s2 2p6 3s2 3p5, identify the number of valence electrons.