Question

An element 'X' belongs to 3rd period and group 16 of the Modern Periodic table.
a) Determine the number of valence electrons and the valency of 'X'
b) Molecular formula of the compound when 'X' reacts with hydrogen and write it's electron dot structure
c) Name the element 'X' and state whether it is metallic or non- metallic

Answer 1

valence hopefully this helps you have a nice day

Answer 2

VALENCE ELECTRON :6
VALENCY :2
MOLECULAR FORMULA IS H2X OR H2S
THE ELEMENT X IS SULPHUR.
IT IS NON METALLIC
HOPE IT HELPS YOU.