JEE MAIN - Chemistry (2020 - 6th September Morning Slot - No. 5)
The set that contains atomic numbers of only
transition elements, is :
21, 32, 53, 64
9, 17, 34, 38
37, 42, 50, 64
21, 25, 42, 72
Explanation
Elements with atomic number 21, 25, 42 and 72
belongs to transition metals.
Tranition elements
= 21 to 30
37 to 48
57 & 72 to 80
Tranition elements
= 21 to 30
37 to 48
57 & 72 to 80
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