Question

The elements beryllium, magnesium and calcium are in group 2. What will be their

valency?​

Answer 1

Answer:

All the elements in Group 2 have two electrons in their valence shells, giving them an oxidation state of +2. Covers the elements beryllium (Be), magnesium (Mg), calcium (Ca), strontium (Sr) and barium (Ba).

Explanation:

hope it may help you