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SSC CGL

MediumQ. No. the-principal-quantum-number-n-determines

The principal quantum number n determines

Last Updated: 26 Jun 2026

AShape of orbital

BOrientation of orbital

CEnergy and size of orbital

DNumber of electrons in orbital

Correct Answer: Energy and size of orbitalYour Answer: C

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Explanation

Principal quantum number n determines the energy level (shell) and the size of the atomic orbital.

Important Notes

n=1 is K shell; n=2 is L shell; n=3 is M shell

SSC CGL Chemistry

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Answer

Energy and size of orbi...

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Asked in: SSC, Railway, Banking and other competitive exams.
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Topic: SSC CGL Chemistry

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