Question

An  element Z has atomic number 16. Answer the following
(a) State the period and group to which Z belongs
(b) Is Z a metal or a non-metal?
(c) State the formula between Z and hydrogen. 
(d) what kind of a compund is this?

Answer 1

An element Z having atomic number 16 is Sulphur.
a) Sulphur belongs to Period 3 and Group 16.
b)  Sulphur is a non-metal.
c) The formula between Z and hydrogen is H₂S.
d) Two hydrogen atoms combine with one sulphur atom to form hydrogen sulphide (H₂S) gas.