MCQ
For valence shell of $Na$ screening by
- A$1s$ orbital
- B$2s$ orbital
- C$2p$ orbital
- ✓All
✓
Answer
Correct option: D.
All
d
Because for valence shell screening by all inner electrons.
Because for valence shell screening by all inner electrons.
$\therefore \,1{s^2}\,2{s^2}\,2{p^6}\,3{s^2}$
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