Asked by TBW
How do you know when to put roman numerals into formulas of binary compounds?
Answers
Answered by
bobpursley
Whenever the element is multivalent, that is, has more than one valence, put the roman numbers in the NAME, not formula as in
copper(II)nitrate Cu(NO3)2
tin(IV) sulfide SnS2
copper(II)nitrate Cu(NO3)2
tin(IV) sulfide SnS2
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