Answer:
(a) (i)
Cation (ii) Polyatomic ion
(b) Two
rules for writing a chemical formula are
(i)When a
compound consists of a metal and a
non-metal,
the symbol of the metal is written first and on the left whereas of non-metal
on its right.
(ii) The valencies
or charges on the ions must be balanced.
You need to login to perform this action.
You will be redirected in
3 sec
