Question

State one reason for keeping boron and aluminum in the same group of the periodic table?

Answer 1

Because both of them have same no. of valence electrons - 3 in outermost shell . So,they have similar chemical and physical properties.

Answer 2

Answer:

Explanation:

your answer is

As both of them have same number of valence electrons -3 in outermost shell.So they have similar chemical and physical properties.

and they also react the same.