Question

6. The elements A, B, C, D get their outer shell progressively filled
with electrons.
Arrange the elements in increasing order of their ionization
energy.
A.D<C<B<A
B. C<B<A<A
C. A<B<C<D
D. B<A<D<C

plz answer by explaining ​

Answer 1

Answer:option a

Explanation:

As the number of electrons reach half in the a shell it becomes difficult to ionise for eg carbon