In some cases the Roman numeral in a name is the same as a subscript in the formula, and
Chapter 5, Problem 1(choose chapter or problem)
In some cases the Roman numeral in a name is the same as a subscript in the formula, and in some cases it is not. Provide an example (formula and name) for each of these cases. Explain why the Roman numeral is not necessarily the same as the subscript.
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