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NEETChemistryp Block Elements (Group 15, 16, 17 & 18)

Why do noble gases have low melting and boiling points?

Options

  1. AThey have strong covalent bonds
  2. BThey readily form compounds with other elements
  3. CTheir interatomic interactions are weak dispersion forces
  4. DThey have high ionization energies

Correct answer

C. Their interatomic interactions are weak dispersion forces

Step-by-step solution

Noble gases have low melting and boiling points because their only type of interatomic interaction is weak dispersion forces.

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