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Tardigrade
Question
Chemistry
The second and third row elements of transition metals resemble each other much more than they resemble the first row because of
Q. The second and third row elements of transition metals resemble each other much more than they resemble the first row because of
2036
162
The d-and f-Block Elements
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A
lanthanoid contraction which results in almost same radii of second and third row metals
49%
B
diagonal relationship between second and third row elements
19%
C
similar ionisation enthalpy of second and third row elements
18%
D
similar oxidation states of second and third row metals
14%
Solution:
The second and third row of transition elements resemble each other more than they do with the first row of transition elements due to lanthanide contraction almost same atomic radius because of increase in nuclear charge.