Question

An atom X has three electrons more than the noble gas configuration. What type of ion will it form ? Write the formula of its
1) sulphate
2) nitrate
3) phosphate
4)carbonate
5)hydroxide

Answer 1

valence of X = +3

it will form a cation

==============================

sulphate - X2(SO4)3

nitrate - X(NO3)3

phosphate - XPO4

carbonate - X2(CO3)3

hydroxide - X(OH)3