Write the formulae for the following compounds:
(a) Mercury(II) chloride (b) Nickel(II) sulphate
(c) Tin(IV) oxide (d) Thallium(I) sulphate
(e) Iron(III) sulphate (f) Chromium(III) oxide
(a) Mercury(II) chloride:
HgCl2
(b) Nickel (II)sulphate:
NiSO4
(c) Tin (IV)oxide:
SnO2
(d) Thallium(I) sulphate:
Tl2SO4
(e) Iron (III)sulphate:
Fe2(SO4)3
(f) Chromium(III) oxide:
Cr2O3