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Class 12Chemistryp-Block Elements (Class 12)Noble gases
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Why are the elements of Group $18$ known as noble gases?

  • A
    They are highly reactive.
  • B
    They have completely filled valence shell orbitals.
  • C
    They are found in abundance in the atmosphere.
  • D
    They are all radioactive.
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Class 12 Questions

Class 12

Chemistry Questions

Chapter

p-Block Elements (Class 12)

Subtopic

Noble gases

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