Question

An element belongs to third period and second group of the periodic table name the element

Answer 1

Answer:

alkaline

Explanation:

because it is an element belongs to third period and second group of the periodic table name the element

Answer 2

Mg(magnesium)

because the electronic configuration of Mg is 1s² 2s ² 2p6 3s² , the principal quantum no. of the last orbital show the periods and the electrons show the group.