Question

Examine the elements of the third period and classify them as metals or non-metals. Comment on the metallic and non-metallic

Answer 1

Na,Mg,Al are metals
Si is a metalloid
P,S,Cl,Ar are non metals
this is the variation of metallic character in 3rd period

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 are metals while element Si is a metalloid and P, S, Cl are non-metals. Metals are at left of the periodic table and non metals are at right of the periodic table.