Below is the name of a compound that is made when iron and oxygen react.iron (II) oxideGive the formula of the positively charged ion present in this compound.
Question
Below is the name of a compound that is made when iron and oxygen react.iron (II) oxideGive the formula of the positively charged ion present in this compound.
Solution
The positively charged ion present in the compound iron (II) oxide is Fe2+. Here's why:
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The name of the compound gives a clue about the charge of the iron ion. The Roman numeral II in parentheses indicates that the iron ion has a charge of +2.
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In ionic compounds, the metal forms a positive ion (cation). In this case, the metal is iron.
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Therefore, the formula of the positively charged ion in iron (II) oxide is Fe2+.
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