Question

Maximum number of electrons present in a shell os given by the formula:-
a)2n
b)n²
c)n³
d)2n²
e)none of this ​

Answer 1

Answer:

d)2n^2

Explanation:

every shell contain only fixed number of electrons . 1st shell contain 2electrons. 2nd shell contains(2+6) 8 electrons. 3rd shell contains(2+6+10) 18 electrons. so onn . nth shell contains 2n^2 electrons . and this is the principle