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p-Block Elements – II — Chemistry STD 12 — Question

Tamilnadu BoardEnglish MediumSTD 12Chemistryp-Block Elements – II2 Marks
Question
Write the valence shell electronic configuration of group-15 elements.
✓

Answer

General electronic configuration of group-15 elements are $ns ^2 np ^3$.
1. Nitrogen - $[ He ] 2 s^2 2 p^3$
2. Phosphorous - $[ Ne ] 3 s^2 3 p^3$
3. Arsenic - [Ar] 3d ${ }^{10} 4 s^2 4 p^3$
4. Antimony - $[ Kr ] 4 d^{10} 5 s^2 5 p ^3$
5. Bismuth - [Ne] $4 f ^{14} 5 s^{10} 6 s^2 6 p ^3$

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