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photoshop1234 [79]
3 years ago
9

When is a roman numeral most likely needed in the name of an ionic compound?

Chemistry
2 answers:
tatyana61 [14]3 years ago
7 0
When more than one polyatomic ion appears 
fenix001 [56]3 years ago
4 0
When more than one poloyatomic appears I believe idk I hope I helped
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