Quantum Numbers Calculator

Explore and validate quantum number sets for electrons, with orbital identification and energy calculations.

Valid Quantum State3d
Orbital Type

d

Orbitals in Subshell

5

Max Electrons

10

Spin Direction

Up

Angular Nodes

2

Radial Nodes

0

Total Nodes

2

Energy (H-like)

-1.51 eV

Quantum Number Rules

  • n (Principal): 1, 2, 3, ... - determines shell and energy
  • l (Angular momentum): 0 to n-1 - determines subshell shape
  • ml (Magnetic): -l to +l - determines orbital orientation
  • ms (Spin): +1/2 or -1/2 - determines electron spin