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Likurg_2 [28]
4 years ago
12

How do you know when to put Roman numerals in the name when balancing chemical formulas?

Chemistry
1 answer:
IrinaK [193]4 years ago
4 0
If the element has many numbers on the top right corner, you put the roman numeral. For example, iron has +2 and +3. you need to specify which iron ion you're talking about. Fe (II) or Fe (III)
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