Question

which set of quantum numbers has higher energy?
(5,0,0,1/2) , (4,3,0,1/2)

Answer 1

Principal Quantum Number (n): n = 1, 2, 3, …, ∞
Specifies the energy of an electron and the size of the orbital

(n, l, ml,ms)

along with this:

1s, 2s, 2p, 3s, 3p, 4s, 3d, 4p, 5s, 4d, 5p, 6s, 4f, 5d, 6p, 7s, 5f

Answer 2

http://www.angelo.edu/faculty/kboudrea/general/quantum_numbers/Quantum_Numbers.htm