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What is the electron figuration of a copper ion? The n what is the electron configuration of a copper2+ ion

The electron configuration is:{Ar]4s13d10Copper donates one of the electrons in its S orbital to the d orbital in order to make itself more stableCopper 2+ is [Ar]3d9The 4s electrons are lost first as they are in a higher energy orbital

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What is the electron figuration of a copper ion? The n what is the electron configuration of a copper2+ ion

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