Final answer:
The ionic compounds are named using the Stock system by indicating the charge of the metal ion in the compound.
Step-by-step explanation:
The ionic compounds are named using the Stock system by indicating the charge of the metal ion in the compound.
a. Sodium chloride is NaCl.
b. Potassium fluoride is KF.
c. Calcium sulfide is CaS.
d. Cobalt(II) nitrate is Co(NO₃)₂.
e. Iron(III) phosphate is FePO₄.
f. Mercury(I) sulfate is Hg₂SO₄.
g. Mercury(II) phosphate is Hg₃(PO₄)₂.