What is the name of this ion :Cu++

The name of the ion is Copper.

Explanation:

Copper is a chemical element symbolized as Cu. It has different ions, one of which is Cu(2+) and Cu(1+).Copper on losing 2 electrons forms the ion Cu(2+)Copper(2+) is an ion that carries double positive charge. It plays the role of a cofactor. It is also more stable than the single positive ion Cu(1+)

The answers is a nuclear changes

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