calculate the effective nuclear charge for 4s electron in potassium
for bsc 1st year student
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Answered by
1
Answer:
ok
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Answered by
0
Answer:
The electronic configuration of K atom is
K19=(1s2)(2s22p6)(3s23p6)4s1
K
19
=
(
1
s
2
)
(
2
s
2
2
p
6
)
(
3
s
2
3
p
6
)
4
s
1
Effective nuclear charge (Z∗)=Z−S
(
Z
∗
)
=
Z
-
S
Z∗=19−[(0.85×No
Z
∗
=
19
-
[
(
0.85
×
No
. Of electrons in (n−1)th(shell)+(1.00
(
n
-
1
)
t
h
(
shell
)
+
(
1.00
total number of electrons in the inner shells)]
=19−[0.85×(8+(1.00×10)]
=
19
-
[
0.85
×
(
8
+
(
1.00
×
10
)
]
Z∗=2.20
Z
∗
=
2.20
.
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