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
(a) s > p > d > f
(b) f > d > p > s
(c) p < d < s > f
(d) f > p > s > d

Answer 1

so we can write it f>d>p>s

so correct is (ii) please mark on brain list