We’re being asked to determine the charges on the copper and phosphide ions, respectively, in copper(II) phosphide.
The rules for naming binary ionic compounds are as follows:
1. The metal keeps its name and is named and written first.
– For transition metals, we use Roman numerals to denote its charge.
2. The nonmetal keeps its base name but has its ending changed to –ide.
What are the charges on the copper and phosphide ions, respectively, in copper(II) phosphide?
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