p-Block Elements-I - Result Question 36
####7. The increasing order of atomic radii of the following Group 13 elements is
(2016 Adv.)
(a) Al
(b)
(c)
(d)
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Answer:
Correct Answer: 7. (b)
Solution:
- Due to poor shielding of
-orbital in , atomic radius of is smaller than that of . Thus, .