JEE Main 2020 Chemistry question

Chemistry The d and f-Block Elements JEE Main 2020

The set that contains atomic numbers of only transition elements is :

(A)21, 32, 53, 64
(B)9, 17, 34, 38
(C)21, 25, 42, 72Correct
(D)37, 42, 50, 64

Answer: (C)

Solution

Question ID VK-012817