Question

An element has an atomic no 16. State:
A. the period to which it belongs
B. the number of valence electron V
C whether it is a metal or non-hital.​

Answer 1

Explanation:

A- Electronic configuration of the element= 2,8,6

since it has three shells it belongs in the third period.

B- The electrons present in the last shell.of an atom are the valence electrons.

therefore there are 6 valence electrons.

C- since the atom requires 2 electrons to complete it's octet.

It is a non metal.

and the element is Sulphur.

hope it helps you