Chemistry 9701 · AS & A Level · States of matter

States of matter — practice question

What causes the halogens to become less volatile as Group VII is descended?

  • AThe halogen-halogen bond energy decreases.
  • BThe halogen-halogen bond length increases.
  • CThe number of electrons in each molecule increases.
  • DThe van der Waal’s forces between molecules become weaker.

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