Give the increasing order of group 13 element | vedclass

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Question

(B) The atomic radius of group $13$ elements generally increases down the group due to the addition of new shells. However,$Ga$ has a smaller atomic r

Vedclass · Accepted Answer

$B < Ga < Al < In < Tl$

Vedclass · Answer

(B) The atomic radius of group $13$ elements generally increases down the group due to the addition of new shells. However,$Ga$ has a smaller atomic radius than $Al$ due to the poor shielding effect of $d$-electrons,which increases the effective nuclear charge. The correct increasing order is: $B < Ga < Al < In < Tl$.

Give the increasing order of group $13$ elements for atomic radius.

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