Class 11ChemistryClassification of Elements and Periodicity in PropertiesExtended or long form of periodic table
EasyAn element belongs to Group $15$ and third period of the periodic table. Its electronic configuration will be
- A$1s^2 2s^2 2p^3$
- B$1s^2 2s^2 2p^4$
- C$1s^2 2s^2 2p^6 3s^2 3p^3$
- D$1s^2 2s^2 2p^6 3s^2 3p^2$
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