Chemistry, asked by shreya8169, 5 months ago

calculate the effective nuclear charge for 4s electron in potassium
for bsc 1st year student ​

Answers

Answered by Itzunknownhuman
1

Answer:

ok

ahhsvvse..............

Answered by shrutisashreek
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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