Question

An element 'X' belongs to third period and group 16 of the modern periodic table
(1) Deteemine the number of valance electrons and valancy of 'X' ?
(2) Molecular formula of the compound when 'X' reacts with hydrogen and write it's electron dot structure?
(3) Name the element 'X' and state wheter it is metallic or non - metallic?​

Answer 1

Answer:

1) number of valence electron are 6 and valency is 2

2) H2S

3) The element is sulphur and it is a non metal