Question

The value of four quantum number for the last
electron of atom of element "X" are
+; (or) - 2 and value of
2
n=7,1=1, m=#land
2 and value of
spin magnetic momentum for element "X" is
zero .Element "X" has two isotopes
(1) X and (II)
(Given: "B-A=B-2Z =18",where A and B are
atomic masses and Z is atomic number)
The correct statement regarding
element "X" is​

Answer 1

Answer:

electron of atom of element "X" are

S=+(or)-

n=7,1 = 1, m= land

2 and value of

spin magnetic momentum for element "X" is

zero .Element "X" has two isotopes

(1) X and (IT)

(Given : "B - A = B-22 =18", where A and B are

atomic masses and Z is atomic number