In argon, find the numer of electrons with spin value `+(1)/(2)`

Spin of electron is

Number of electrons with +1/2 spin in n=3 is

Number of electrons with -1/2 spin in n=4 is

Number of electrons with +1/2 spin in n=3 is

Number of electrons with -1/2 spin in n=4 is

The maximum number of electrons with spin value +1//2 in the orbital with azimuthal quantum number value 1=2 and magnetic quantum number m = +1 is...

for a hydrothertical atom find out the total number of electrons that arae filled in between 9s and 9p subshell if spin qunatum have (-(1)/(2),0,+(1)/(2)) there values .

What is the spin of two electron in He ?