Which of the following spectroscopic notations are allowed (that is, which violate none of the rules regarding values of quantum numbers)?
A. n=2,l=1,mₗ=0,s=+1/2
B. n=2,l=2,mₗ=2,s=+1/2
C. n=1,l=0,mₗ=−1,s=−1/2
D. n=3,l=1,mₗ=−2,s=+1/2