Chemistry, asked by 1408mahi, 4 days ago

how the valency of copper is 1 and 2. Class 9

Answers

Answered by nsnaruka1980

1

Explanation:

Copper is one of the transition elements and thus exhibits variable oxidation states. It has two valencies: +1 and +2 and the corresponding atoms are termed as Cuperous (+1 valency) and Cupric (+2 valency). ... Copper has an atomic number of 29 and its electronic configuration is 1s2, 2s2, 2p6, 3s2, 3p6, 3d10, 4s1.

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