Final answer:
Cu(NO3)2 compound is named Copper(II) nitrate due to the 2+ charge of copper ion and the nitrate polyatomic ion.
Explanation:
Copper(II) nitrate is the chemical name for the compound Cu(NO3)2. This is because the copper ion in this compound has a 2+ charge, so it requires the Roman numeral (II) to denote its charge.
Nitrate is a polyatomic ion with a formula of NO3-, making the compound Cu(NO3)2. Therefore, the correct answer is
Copper(II) nitrate.
Learn more about Chemical Naming here:
https://brainly.com/question/34188118