Chemistry 9701 · AS & A Level · States of matter

States of matter — practice question

The volatility of the Group 17 elements chlorine, bromine and iodine gets lower down the group. What causes this trend?

  • Abond length in the halogen molecule
  • Bbond strength in the halogen molecule
  • Celectronegativity of the halogen atom
  • Dnumber of electrons in the halogen atom

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