Question

Explain why the quantum number set (2, 1, -2, -½) is not possible for an electron in an atom please? c:

Answer 1

@abb0t @nincompoop @ganeshie8 ? c:

Answer 2

@zepdrix could you help? c:

Answer 3

For n=2
Value of l can be 0,1

For l=1
Value of m can be -1,0,1

But in the question value of m is given -2 so itr is wrong