What name should be used for the ionic compound cu(nomc015-1.jpg)mc015-2.jpg? copper nitrate copper(i) nitrate copper(ii) nitrate copper(iii) nitrate

In the ionic compound Cu(NO₃)₂, copper has a valency of +2 and the nitrate ion has a valency of -1. Therefore, when writing the name of the compound, we write the name of the cation, the valency of the cation, and then the name of the anion.
The name is copper(II) nitrate.

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