Question

what is the screening constant of fe atom

Answer 1

Answer:

The screening effect of Fe atom in 4S shell is 23.25

Explanation:

Atomic Number = 26. Formula for S & P - electrons:

Sigma = (n-1)*0.35 + (n')*0.85 + (n")*1. (2-1)*0.35 + 14*0.85 + 10*1 = 23.25