The set that contains atomic numbers of only transition elements, is :
Solution
Elements with atomic number 21, 25, 42 and 72
belongs to transition metals.
<br><br>Tranition elements
<br>= 21 to 30
<br>37 to 48
<br>57 & 72 to 80
About this question
Subject: Chemistry · Chapter: d and f Block Elements · Topic: Properties of Transition Metals
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