Calculate the effective nuclear charge experienced by the 4s electron in potassium atom .

What is effective nuclear charge ?

What is effective nuclear charge ?

Calculate the Effective nuclear charge of helium.

The order of effective nuclear charge is

Arrange S,P and d sub-shells of a shell in the decreasing order of effective nuclear charge (Zeff) experienced by the electron present in them

Calculate the effective nuclear charge of the last electron in an atom. The electronic configuration is 1s^(2), 2s^(2)2p^(6), 3s^(2)3p^(5) .