why the shells/orbits starts with k l m n why not with a b c d ?
Kindly refer to the following link:
https://www.meritnation.com/ask-answer/question/i-have-studied-that-the-shells-around-nucleus-of-an-atom-are/chemistry/6832939
https://www.meritnation.com/ask-answer/question/i-have-studied-that-the-shells-around-nucleus-of-an-atom-are/chemistry/6832939