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Question

Halogens have:
  1. high electronegativities
  2. high ionisation energies
  3. All the above
  4. high electron affinities

A
high electronegativities
B
high ionisation energies
C
All the above
D
high electron affinities
Solution
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Halogens have high ionisation energies, high electronegativities and high electron affilities due to their smallest size in a particular period. As size decreases ionisation energy, elctronegativity and electron affinity increaes

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