The elements with atomic numbers 101 and 104 belong to, respectively :
Solution
Actinoids contains 14 elements with atomic
number 90 to 103. Hence element with atomic
number 101 is Actinoids.
<br><br>Element with atomic number 104 is a d-block
element of group 4.
About this question
Subject: Chemistry · Chapter: d and f Block Elements · Topic: Properties of Transition Metals
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