Question

Q133) The set of quantum numbers for the 19th electron in chromium is

Q133) The set of quantum numbers for the 19th electron in chromium is

SOLUTION

Configuration for 19th electron will be 1s2 2s2 2p6 3s23p64s1 ( 19th electron).

n=4, l=0, m=0, s=+1/2 or -1/2

Answer: (a)