How do we write copper (II) Carbonate to CoCO3?

Question

Officially Copper (II) Carbonate is CoCO3
but how? Doesn't the (II) mean that we would have 2 moles of CO? I know the roman numerals show the charge for the transition metal and it usually gets moved around or switched.
I'm having problems with the whole naming process when it comes to transition metals

Answer 1

Look at the following two websites which do an excellent

job explaining nomenclature using roman numerals.



http://www.chemteam.info/Nomenclature/Binary-Stock-FormulatoName.html



http://www.chemteam.info/Nomenclature/Binary-Stock-NametoFormula.html



By the way, CoCO3 is cobalt(II) carbonate

CuCO3 is copper(II) carbonate

Answer 2

a

Answer 3

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