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JEE Main Chemistry Class 11 Structure of Atom Part 2 Questions
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Question : 26
Total: 91
The electronic configuration of
Pt
(atomic number 78 ) is:
[29-Jun-2022-Shift-1]
[
Xe
]
4
f
14
5
d
9
6
s
1
[
Kr
]
4
f
14
5
d
10
[
Xe
]
4
f
14
5
d
10
[
Xe
]
4
f
14
5
d
8
6
s
2
Validate
Solution:
Atomic number of
Pt
is 78
Electronic configuration is
−
78
Pt
→
[
Xe
]
4
f
14
5
d
9
6
s
1
(Exceptional electronic configuration)
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