Tardigrade
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Tardigrade
Question
Chemistry
Zr( Z =40) and Hf ( Z =72) have similar atomic and ionic radii because of :
Q.
Z
r
(
Z
=
40
)
and
H
f
(
Z
=
72
)
have similar atomic and ionic radii because of :
7163
215
NEET
NEET 2021
The d-and f-Block Elements
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A
belonging to same group
5%
B
diagonal relationship
3%
C
lanthanoid contraction
88%
D
having similar chemical properties
3%
Solution:
Z
r
and
H
f
have same size due to Lanthanoid contraction