Chemistry, asked by sidhasavignesh111, 11 months ago

.answer this question fasty.........

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Answered by GURUSAI12345

1

Answer:

a 4.05. kkk sure this will be the answer

Answered by ishwarsinghdhaliwal

0

(D) 7.55 is correct

Explanation:

Z is nuclear charge and S is the shielding constant.

Z=28 and S= 20.45

Z*= Z-S = 28-20.45= 7.55

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