MCQ
The elements with atomic number $10, 18, 36, 54$ and $86$ are all
- ALight metals
- ✓Inert gases
- CHalogens
- DRare-earths
✓
Answer
Correct option: B.
Inert gases
b
$(b)$ Inert gases, these have $n{s^2}n{p^6}$ configuration.
$(b)$ Inert gases, these have $n{s^2}n{p^6}$ configuration.
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