Question

1. what is similar about the valence shell in the alkaline earth metals family?

Explanation:

Alkaline - Earth Metals are in group 2 of the periodic table. Elements in the same group have the same number of valence electrons. Alkaline - Earth Metals have 2 valence electrons in their outermost shell.

Answer:

All elements in the Alkaline Earth Metals Family have 2 valence electrons in their valence shell.