1.

thefour quantum numberof the outermostelectronof k (z=19) are …..

Answer»

n=4 ,L = 0, m=0, s= `+(1)/(2)`
n=4,l=0, m=1, s =`+(1)/(2)`
n=3 ,l=0, m=0, s `+(1)/(2)`
n=3, l=2, m=-1, s = `+ (1)/(2)`

ANSWER :A


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