Question

An element X is in second period and group 16 of the periodic table. Is it a metal or non metal? give reason for your answer

Answer 1

It will obviously non-metal because non-metallic character of elements increases on going from left to right in a period.

Answer 2

second period suggest that there are two shells present in an element

while the group 16 suggest that there are 6 Valence Electrons

this, electronic configuration is 2,6

its atomic number is 8 and it is non metal

as it contains 6 Valence Electrons.