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Byju's Answer
Standard XII
Chemistry
Atomic Radii & Ionization Potential
Which of the ...
Question
Which of the following is a transition element as per the ground state electronic configuration ?
A
H
g
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B
A
u
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C
C
d
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D
Z
n
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Solution
The correct option is
B
A
u
The ground state electronic configuration of the given elements is:
H
g
80
=
[
X
e
]
4
f
14
,
5
d
10
,
6
s
2
A
u
79
=
[
X
e
]
4
f
14
,
5
d
10
,
6
s
1
C
d
48
=
[
K
r
]
4
d
10
,
5
s
2
Z
n
30
=
[
A
r
]
3
d
10
,
4
s
2
The electronic configuration of only
A
u
contains Incompletely filled orbital, i.e., partially filled orbital. That's why it is a transition element as per the ground state electronic configuration.
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