The values of four quantum number of valence electron of an element are `n = 4, l = 0, m = 0 and s=+(1)/(2)` . The element is:

The values of four quantum numbers of valence electron of an element are n=4, l = 0, m = 0, and s = +1/2. The element is

The value of four quantum numbers of the valence electron of potassium is

The value of four quantum number for the last electron of atom of element 'X' are n=7, l=1,m=+1 and s=+1/2 or -1/2 and vlaue of spin magnetic momentum for element 'X' is zero element 'X' has two isotopes (I) ""_(Z)^(A)X and (II) ""_(Z)^(B)X . Q. The possible value of all four quantum numbers for 90th electron of atom of element 'X' is:

The value of four quantum number for the last electron of atom of element 'X' are n=7, l=1,m=+1 and s=+1/2 or -1/2 and vlaue of spin magnetic momentum for element 'X' is zero element 'X' has two isotopes (I) ""_(Z)^(A)X and (II) ""_(Z)^(B)X . Q. The possible value of all four quantum numbers for 90th electron of atom of element 'X' is:

The quantum numbers for the valence electron of an atom are n=3,l=0,m=0, s=+1//2 The element is

The quantum numbers for the outer electrons of an atom are given by n = 2, l = 0, m = 0, s = +1//2

The quantum numbers for the outer electrons of an atom are given by n = 2, l = 0, m = 0, s = +1//2