Question

What is the valence shell electronic configuration of Alkali Metals , Alkaline Earth Metals, Halogens and Noble Gases?

Answer 1

alkali metals: 1

alkaline earth metals: 2

Halogens: 7

noble gases : 8

Answer 2

Alkali Metals: 1 valence electron

Alkaline Earth metals: 2 valence electrons

Halogens: 7 Valence electron

Noble Gases: 8 Valence electrons