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Which of the following configurations represents a noble gas?
  • a)
    1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 5s2
  • b)
    1s2 2s2 2p6 3s2 3p6 3d10 4s2 4f14 5s2
  • c)
    1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 5s2 5p6
  • d)
    1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 5s2 5p3
Correct answer is option 'C'. Can you explain this answer?
Most Upvoted Answer
Which of the following configurations represents a noble gas?a)1s2 2s2...
The outermost shell configuration of the element shows 8 electrons hence it is a noble gas.
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Community Answer
Which of the following configurations represents a noble gas?a)1s2 2s2...

Explanation:

Noble Gas Configuration:

- A noble gas configuration is when an atom has achieved a stable electron configuration similar to that of a noble gas.
- Noble gases have a completely filled outermost energy level, which makes them very stable and unreactive.

Identifying the Noble Gas Configuration:

- The electron configuration given in option 'C' is 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 5s2.
- This configuration represents the noble gas Krypton (Kr), which has the electron configuration of [Ar] 4s2 3d10 4p6.
- By comparing the given configuration with the electron configuration of Krypton, we can see that it matches, indicating a noble gas configuration.

Conclusion:

- Option 'C' (1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 5s2) represents a noble gas configuration similar to that of Krypton, making it the correct answer.
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Question Description
Which of the following configurations represents a noble gas?a)1s2 2s2 2p6 3s2 3p6 3d10 4s24p64d10 5s2b)1s2 2s2 2p6 3s2 3p6 3d10 4s2 4f14 5s2c)1s2 2s2 2p6 3s2 3p6 3d104s24p64d10 5s2 5p6d)1s2 2s2 2p6 3s2 3p6 3d104s24p64d105s2 5p3Correct answer is option 'C'. Can you explain this answer? for NEET 2025 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about Which of the following configurations represents a noble gas?a)1s2 2s2 2p6 3s2 3p6 3d10 4s24p64d10 5s2b)1s2 2s2 2p6 3s2 3p6 3d10 4s2 4f14 5s2c)1s2 2s2 2p6 3s2 3p6 3d104s24p64d10 5s2 5p6d)1s2 2s2 2p6 3s2 3p6 3d104s24p64d105s2 5p3Correct answer is option 'C'. Can you explain this answer? covers all topics & solutions for NEET 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which of the following configurations represents a noble gas?a)1s2 2s2 2p6 3s2 3p6 3d10 4s24p64d10 5s2b)1s2 2s2 2p6 3s2 3p6 3d10 4s2 4f14 5s2c)1s2 2s2 2p6 3s2 3p6 3d104s24p64d10 5s2 5p6d)1s2 2s2 2p6 3s2 3p6 3d104s24p64d105s2 5p3Correct answer is option 'C'. Can you explain this answer?.
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