find the zeff d electron in nickel.
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Answer:
The expression for the effective nuclear charge
Z
∗
is
Z
∗
=
Z
−
S
Here, Z is the nuclear charge and S is the shielding constant.
For nickel
Z
=
28
and
S
=
20.45
Hence,
Z
∗
=
Z
−
S
=
28
−
20.45
=
7.55
Hence, the effective nuclear charge for Nickel atom is 7.55.
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