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Question
Chemistry
The element with the electronic configuration [ Xe ] 4 f 14 5 d 1 6 s 2 is a
Q. The element with the electronic configuration
[
X
e
]
4
f
14
5
d
1
6
s
2
is a
1729
252
The d-and f-Block Elements
Report Error
A
Representative element
1%
B
Transition element
9%
C
Actinide element
19%
D
Lanthanide element
71%
Solution:
The general configuration of atoms of lanthanoid elements have electronic configuration with
6
s
2
common but with variable occupancy of
4
f
level.
[
X
e
]
4
f
14
5
d
1
6
s
2
is the electronic configuration of Lutetium (Lu) which comes under lanthanoid series.