Question

elements belonging to the same group have same valencey​

Answer 1

Answer:

here's ur answer dude

Explanation:

Elements belong to the same group have the same valency because the number of valence electrons in a group is same due to which the tendency of an atom to lose or gain electrons in order to attain nearest noble gas configuration is also same.

hope it helps

Answer 2

Answer:

by

.....

........

......