Final answer:
The names of ionic substances with Roman numeral charges for cations.
Step-by-step explanation:
a. SnBr2: Tin(II) bromide
b. SnBr4: Tin(IV) bromide
c. Cro: Chromium(I) oxide
d. Cr2O3: Chromium(III) oxide
e. Hg2Cl2: Mercury(I) chloride
f. HgI2: Mercury(II) iodide
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