MCQ
Which of the following configuration belongs to $s-$ block elements
- A$1s^2\,2s^2\,2p^6\,3s^2\,3p^6\,3d^{10}\, 4s^1$
- ✓$1s^2\,2s^2\,2p^6\,3s^2\,3p^6\,4s^1$
- Cboth $(1)$ and $(2)$
- DNone of the above
✓
Answer
Correct option: B.
$1s^2\,2s^2\,2p^6\,3s^2\,3p^6\,4s^1$
b
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