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AIEEE 2004 Chemistry Solved Paper
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© examsnet.com
Question : 5
Total: 75
Consider the ground state of
Cr
atom
(
Z
=
24
)
. The number of electrons with the azimuthal quantum numbers,
I
=
1
and 2 are respectively
16 and 4
12 and 5
12 and 4
16 and 5
Validate
Solution:
Electronic configuration of
Cr
(
Z
=
24
)
=
1
s
2
2
s
2
2
p
6
3
s
2
3
p
6
4
s
1
3
d
5
For
2
p
6
and
3
p
6
,
I
=
1
. Here in
2
p
and
3
p
orbital total
6
+
6
=
12
electrons present.
For
3
d
5
,
I
=
2
. Here in
3
d
orbital total 5 electrons present.
© examsnet.com
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