Orbital Energies in Quantum Mechanics

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Text Version of Atomic Orbital Energies

Energy Levels (from lowest energy to highest)

Slots represent boxes where a spin up and spin down electron can go.

  • 1s (1 slot)
  • 2s (1 slot)
  • 2p (3 slots)
  • 3s (1 slot)
  • 3p (3 slots)
  • 4s (1 slot)
  • 3d (5 slots)
  • 4p (3 slots)
  • 5s (1 slot)
  • 4d (5 slots)
  • 5p (3 slots)
  • 6s (1 slot)
  • 4f (7 slots)
  • 5d (5 slots)
  • 6p (3 slots)
  • 7s (1 slot)
  • 5f (7 slots)
  • 6d (5 slots)
  • 7p (3 slots)

Atomic Orbitals - Ordered by Energy

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