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Question
Chemistry
What is the electronic configuration of Mn2+?
Q. What is the electronic configuration of
M
n
2
+
?
1962
184
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A
[
N
e
]
3
d
5
4
s
0
B
[
A
r
]
3
d
5
4
s
2
C
[
A
r
]
3
d
5
4
s
0
D
[
N
e
]
3
d
5
4
s
2
Solution:
Electronic configuration of
M
n
(
25
)
is
1
s
2
2
s
2
2
p
6
3
s
2
,
3
p
6
,
4
s
2
3
d
5
∴
Electronic configuration o f
M
n
2
+
is
1
s
2
2
s
2
2
p
6
3
s
2
3
p
6
4
s
0
3
d
5
M
n
2
+
⇒
∴
[
A
r
]
3
d
5
4
s
0