NEET Chemistry · Medium

Classification of Elements and Periodicity in Properties: Noble gases MCQ

Solve this quality-checked NEET multiple-choice question, then review the correct answer and explanation.

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Noble gasesMediumQuestion 30018

Question

Noble gases are least reactive mainly because they have:

  1. A
    stable electronic configurations
    Correct
  2. B
    largest atomic radii
  3. C
    lowest ionization enthalpy
  4. D
    high metallic character

Correct answer

stable electronic configurations

Explanation

Their valence shells are complete.