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Question

Chemistry Question on The Structure of an Atom

The correct order of atomic radii in group 13 elements is

A

B < Al < In < Ga < Tl

B

B < Ga < Al < Tl < In

C

B < Al < Ga < In < Tl

D

B < Ga < Al < In < Tl

Answer

B < Ga < Al < In < Tl

Explanation

Solution

The correct option is (D): B < Ga < Al < In < Tl