Failed to connect to MySQL: Access denied for user 'examnext_online'@'localhost' (using password: YES) Select set of quantum number which is NOT associated with any electron in Cr (Z=24) - Sarthaks eConnect

Select set of quantum number which is NOT associated with any electron in Cr (Z=24)

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

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

`n=3, l=2, m=-2, s=+1/2`

`n=3, l=1, m=+1, s=-1/2`