The set that contains atomic number of only transition element is -

Question:

The set that contains atomic number of only transition element is -

  1. $21,32,53,64$

  2. $21,25,42,72$

  3. $9,17,34,38$

  4. $37,42,50,64$


Correct Option: , 2

Solution:

(2) $21,25,42,72$

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