What is valency of copper ? (Don't write full answer just write the no.)
Answers
Answered by
2
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
Answered by
0
Answer:
+3 or -3
Explanation:
2 8 18 8 3
or
2 8 8 8 8 5
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