From the given set of quantum numbers for the last electron of the atom, choose the element which is a non metal. The set of Quantum numbers of A, B, C & D are given below
A – n = 2 , l = 1 , m = 0 , +-1
B – n = 4 , l = 0 , m = 0
C – n = 5 , l = 2 , m = +-2
D – n = 6 , l = 3 , m = 0
(a) D
(b) C
(c) B
(d) A
