MCQ
The configuration  $1{s^2}2{s^2}2{p^5}3{s^1}$ shows
  • A
    Ground state of fluorine atom
  • B

    Excited state of fluorine atom

  • Excited state of neon atom

  • D
    Excited state of ion  $O_2^ -$

Answer

Correct option: C.

Excited state of neon atom

c
Atomic number of the given element $=10$

Electronic configuration $=1 s ^2\, 2 s ^2 \,p ^6$

$1 s ^2\, 2 s ^2\, 2 p ^6$ is electronic configuration of $Ne$.

$1 s ^2\, 2 s ^2\, 2 p ^5 \,3 s ^1$ is excited oxidation state.

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