MCQ
The configuration $1{s^2}2{s^2}2{p^5}3{s^1}$ shows
- AGround state of fluorine atom
- B
Excited state of fluorine atom
- ✓
Excited state of neon atom
- DExcited state of ion $O_2^ -$
Excited state of fluorine atom
Excited state of neon atom
Excited state of neon atom
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.
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.


