define the term valency. what is the valency of magnesium and copper?
Answers
Answered by
2
Answer:
Valency is the number of electrons in the valence or last shell.
Explanation:
Magnesium: 2
Copper:2
Answered by
0
Answer:
valency is the no electrons present on the outer most electron which takes part in chemical reaction
mg=2+
cu=2+,1+
Explanation:
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