MCQ
Which of the following configuration will form a cation:
- A$2, 8, 7$
- B$2, 7$
- C$2, 8, 8$
- ✓$2, 8, 2$
✓
Answer
Correct option: D.
$2, 8, 2$
The electronic configuration of $2, 8, 2$ will lose two electrons to become positively charged ion i.e cation.
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