Question

Write the molecular formulae for the following compounds

(a) Aluminium (III) nitrate

(b) Calcium (II) phosphate

(c) Mercury (II) chloride

(d) Magnesium (II) acetate

Answer 1

(a) Al(NO3)3

(b) Ca3(PO4)2

(c) HgCl2

(d) Mg(CH3COO)2