Question

Calculate the effective nuclear charge experience by the 4s electron in k atom

Answer 1

   Electronic configuration- (1s2) (2s2, 2p3).

   Screening constant, σ = (0.35 × 4) + (0.85 × 2) = 3.10

   Effective nuclear charge, Z* = Z – σ = 7 – 3.10 = 3.90