engineering recuitment BARC Stipendiary Trainee Category I 2023 Mock Test General Science Chemistry Periodic Table
The correct order of atomic radii in group 13 elements is
1
B < Al < In < Ga < Tl
2
B < Al < Ga < In < Tl
3
B < Ga < Al < In < Tl
4
B < Ga < Al < Tl < In