Question

how many elements are there in third period justify

Answer 1

Eight Elements

The third period contains eight elements: sodium, magnesium, aluminium, silicon, phosphorus, sulfur, chlorine, and argon. The first two, sodium and magnesium, are members of the s-block of the periodic table, while the others are members of the p-block.

Answer 2

Answer:

there are eight elements in third period

Explanation:

as it have elements having 3 shells