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|The valence shell of noble gas xenon can expand to how many electrons?

SSC CGL

MediumQ. No. the-valence-shell-of-noble-gas-xenon-can-expand-to-how-many-electrons

The valence shell of noble gas xenon can expand to how many electrons?

Last Updated: 26 Jun 2026

A8

B10

C12

D14

Correct Answer: 12

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Your Answer: C

Explanation

Xenon (Period 5) can expand its valence shell using 5d orbitals. In XeF6 Xe has 12 electrons (6 bond pairs).

Important Notes

XeF2 has 10 electrons; XeF4 has 12; XeF6 has 14 around Xe

SSC CGL Chemistry

SSC CGL

Answer

12

Exam Info

Asked in: SSC, Railway, Banking and other competitive exams.
Also asked in: RRB NTPC, CHSL, State PCS and online mock tests.
Topic: SSC CGL Chemistry

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