Which ones are true and which are false?
Group of answer choices
CrO is chromium II oxide; CaO is just calcium oxide (without a Roman numeral)
Cr2(CO3)3 is called chromium III carbonate.
cobalt II bromide and cobalt III bromide have the same formulas.
SnCl4 is called tin IV chloride
SnO2 is called tin II oxide
Pb3(PO4)4 is called lead II phosphate.
