The atomic number (Z) of an element is 25. In its ground state, how many electrons are present in the 'N' shell ?

The atomic number (Z) of an element is 25. In its ground state, how ma

1.	The atomic number (Z) of an element is 25. In its ground state, how many electrons are present in the 'N' shell ?
A.	2
B.	3
C.	13
D.	15
Answer» B. 3