Question:
The order of screening effect of electrons of s, p, d and f orbitals of a given
shell of an atom on its outer shell electrons is:
(i) s > p > d > f
(ii) f > d > p > s
(iii) p < d < s > f
(iv) f > p > s > d
Solution:
Option (i) s > p > d > f
is the answer.