Question

Find the electrons having the following quantum number

Answer 1

Explanation:

ANSWER

(i)n=4,l=1→4p

(ii)n=4,l=0→4s

(iii)n=3,l=2→3d

(iv)n=3,l=1→3p

Energy order

1s<2s<2p<3s<3p<4s<3d<4p

⇒(iv)<(ii)<(iii)<(1)

also could be calculated or basis of n+1 order value