Organic Chemistry

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Video lesson · 16 min

Atomic Orbitals and Electron Configuration (s and p, Hund's Rule)

Posted 22 Oct 2026 on our YouTube channel. The player loads from YouTube only when you press play.

Chapters 13
  1. 0:00 Start here
  2. 1:18 What an orbital is
  3. 2:34 Two electrons per orbital
  4. 3:41 s and p orbital shapes
  5. 5:38 Why 2 and 8
  6. 6:40 Phase: the two colors
  7. 7:51 Filling order and configurations
  8. 9:55 The 4s and 3d trap
  9. 11:08 Hund's rule, box by box
  10. 13:24 Reading the periodic table
  11. 13:57 Recap
  12. 14:37 Practice problems
  13. 15:53 Next: hybridization

Read the notes: Orbitals

Video lesson · 19 min

Atomic Structure for Organic Chemistry (Valence Electrons, Octet Rule)

Posted 7 Oct 2026 on our YouTube channel. The player loads from YouTube only when you press play.

Chapters 11
  1. 0:00 Start here
  2. 0:52 The three particles
  3. 2:17 Isotopes and mass number
  4. 3:41 Shells and valence electrons
  5. 6:49 The octet rule
  6. 9:45 Ions: cations and anions
  7. 10:56 Transfer or share
  8. 14:10 Carbocations and carbanions
  9. 16:24 Recap
  10. 17:02 Practice problems
  11. 18:56 Next: orbitals

Read the notes: Atomic structure