MCQ
In the transition of $Zn$ atoms to $Z{n^{ + + }}$ ions there is a decrease in the
- ✓Number of valency electrons
- BAtomic weight
- CAtomic number
- DEquivalent weight
✓
Answer
Correct option: A.
Number of valency electrons
(a) Ion is formed by gaining or losing electrons. To form cation electron are lost from the valency shell, so $Zn$ atoms to $Z{n^{ + + }}$ ions there is a decrease in the no. of valency electron.
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