Tardigrade
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Tardigrade
Question
Chemistry
The 71st electron of an element X with an atomic number of 71 enters into the orbital :
Q. The
7
1
s
t
electron of an element
X
with an atomic number of
71
enters into the orbital :
2779
281
JEE Main
JEE Main 2019
Classification of Elements and Periodicity in Properties
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A
4
f
30%
B
6
p
16%
C
6
s
10%
D
5
d
44%
Solution:
Electronic Configuration of Element X with atomic number 71 is
[
X
e
]
4
f
14
6
s
2
5
d
1
.
The Last electron will enter in
5
d
orbital.