Given below are two statements :
Statement (I): The metallic radius of Al is less than that of Ga.
Statement (II) : The ionic radius of $Al^{3 +}$ is less than that of $Ga^{3 +}$ .
In the light of the above statements, choose the most appropriate answer from the options given below :

Question

TestHub · Accepted Answer

⇒ The metallic radius order of Al & Ga is B < ↓ Ga < Al ​ ​ < In < T ℓ (due to poor shielding of d-subshell electrons) ⇒ The ionic radius order of Al + 3 & Ga + 3 is B + 3 < Al + 3 < Ga + 3 < In + 3 < T ℓ + 3

Chemistry - PERIODIC TABLE Question with Solution | TestHub

Options:

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