MCQ
Which of the following configuration belongs to $s-$ block elements
  • A
    $1s^2\,2s^2\,2p^6\,3s^2\,3p^6\,3d^{10}\, 4s^1$
  • $1s^2\,2s^2\,2p^6\,3s^2\,3p^6\,4s^1$
  • C
    both $(1)$ and $(2)$
  • D
    None of the above

Answer

Correct option: B.
$1s^2\,2s^2\,2p^6\,3s^2\,3p^6\,4s^1$
b

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