Question

How many valence electrons do group two have?

Answer 1

The `"alkaline earth metals"` have 2 valence electrons.

Explanation:

The `"alkaline earth metals"` come from Group 2 of the Periodic Table. And since the Periodic Table reflects electronic structure, `Be, Mg, Ca, Sr, Ba` all have 2 valence electrons, and all commonly form `M^(2+)` ions.