The increasing order of atomic radii of the following Group 13 elements is :
Al<Ga<In<Tl
Ga<Al<In<Tl
Al<In<Ga<Tl
Al<Ga<Tl<In
A
Al<Ga<In<Tl
B
Ga<Al<In<Tl
C
Al<In<Ga<Tl
D
Al<Ga<Tl<In
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Solution
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The increasing order of atomic radii of group 13 elements is :
Ga(135pm)<Al(143pm)<In(167pm)<Tl(170pm)
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