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Define the term valency. What is the valency for magnesium and copper?
Asked by Rahul Srivastava Last Modified
Answer The Combining capacity of an atom is called valency. Thus, it is the number of valence electron an atom has to gain or lose from its outermost orbit. The oxidation number is the charge an atom can carry. For instance, nitrogen has valency three, but its oxidation number can range from -3 to +5.
Valency of Mg is +2.
Cu has two valencies. +1 and +2
Cuprous +1
Cupric +2
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