Write the chemical formula using criss-cross method:
(a) Ammonium sulphate
(b) Magnesium bicarbonate
(c) Barium nitrate
a) Ammonium sulphate:
By applying criss-cross method:
Chemical formula: (NH4)2SO4
b) Magnesium bicarbonate:
By applying criss-cross method:
Chemical formula: Mg(HCO3)2
c) Barium nitrate:
By applying criss-cross method:
Chemical formula: Ba(NO3)2