Correct set of four quantum numbers for the valence electron of strontium $(Z=38)$ is
Correct set of four quantum numbers for the valence electron of strontium $(Z=38)$ is
$5,0,0,+\frac{1}{2}$
$5,1,0,+\frac{1}{2}$
$5,1,1,+\frac{1}{2}$
$6,0,0,+\frac{1}{2}$
Solution
Electronic configuration of strontium $(\mathrm{Sr})=[\mathrm{Kr}] 5 \mathrm{~s}^2$ Principle quantum number $(\mathrm{n})=5$
Principle quantum number $(\mathrm{n})=5$
Azimuthal quantum number $(1)=0$
Magnetic orbital quantum number $\left(\mathrm{m}_l\right)=0$
Electron spin quantum number $\left(\mathrm{m}_{\mathrm{s}}\right)=\frac{1}{2}$
