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Question
Chemistry
The effective nuclear charge of Mg (Z = 12) is
Q. The effective nuclear charge of Mg (Z = 12) is
15977
202
Classification of Elements and Periodicity in Properties
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A
3
17%
B
2
35%
C
4
34%
D
1
14%
Solution:
M
g
(
Z
=
12
)
E
.
C
.
1
s
2
(
n
−
2
)
σ
o
f
2
e
−
in
(
n
−
2
)
t
h
2
s
2
2
p
6
(
n
−
1
)
8
e
in
(
n
−
1
)
t
h
3
s
2
n
1
e
−
in
n
t
h
or
bi
t
2.0
+
6.8
+
0.35
=
9.15
Z
∗
=
12
−
9.15
=
2.85
≈
3