Question

Name the elements present in the
third period and
into metals and non-métals.
classify them​

Answer 1

Answer:

The elements in the third period are Na, Mg, Al, Si, P, S, Cl and Ar. Out of these elements Na, Mg and Al which are to the left of the periodic table are metals while element Si is a metalloid and P, S, Cl which are to the right of the periodic table are non-metals.

Explanation:

hope it help

Answer 2

Answer:

The elements in the third period are Na, Mg, Al, Si, P, S, Cl and Ar. Out of these elements Na, Mg and Al which are to the left of the periodic table are metals while element Si is a metalloid and P, S, Cl which are to the right of the periodic table are non-metals.