Which is largest in size- Cu+ , Cu+2, Cu and why? – InterviewSolution

1.	Which is largest in size- Cu+ , Cu+2, Cu and why?
Answer» Cu is largest due to less effective nuclear charge. It has 29 electrons, 29 protons, Cu⁺ has 28 electrons and 29 protons, Cu²⁺ has 27 electrons and 29 protons.

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