MCQ
The number of completely filled shells for the element ${ }_{16} S ^{32}$ is
  • A
    $1$
  • $2$
  • C
    $3$
  • D
    $4$

Answer

Correct option: B.
$2$
b
(b)

Atomic number of ${ }_{16} S ^{32}$ is $16$ . Its electronic configuration using $2 n^2$ rule is

${ }_{16} S =\underbrace{1 s^2, 2 s^2 p^6}_{[ Ne ]}, \underbrace{3 s^2 p^4}_{\text {Unfilled }}$

So, number of fully filled orbits or shells is $2 .$

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