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Abby De La Merced 3F
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Postby Abby De La Merced 3F » Fri Nov 30, 2018 7:56 pm

When do we use Roman numerals when naming? Are there only certain elements that need to have them?

Hai-Lin Yeh 1J
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Re: Naming

Postby Hai-Lin Yeh 1J » Fri Nov 30, 2018 8:06 pm

When you name the transition metals, you would use the Roman numerals after the name of the transition metal. The Roman numeral matches the charge of the ion, so for example, if your ion was Fe 2+, then you would write it with the Roman numeral two in parenthesis after the name, like Iron (II).

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