The increasing order of atomic radii of the following group 13 elements is

  1. Al < Ga < In < Tl
  2. Ga < Al < In < Tl
  3. Al < In < Ga < Tl
  4. Al < Ga < Tl < In
Anurag Mishra Professor Asked on 23rd May 2016 in Physics.
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    Answer: (b) Ga < Al < In < Tl

    Anurag Mishra Professor Answered on 24th May 2016.
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