Chemistry
Videos on chemistry (roughly covering a first-year high school or college course).

Subtopics

  1. Introduction to the Atom Introduction to the Atom
  2. Orbitals and Electrons Orbitals and Electrons
  3. Periodic table, trends, and bonding Periodic table, trends, and bonding
  4. Chemical reactions (stoichiometry) Chemical reactions (stoichiometry)
  5. Ideal gas laws Ideal gas laws
  6. States of matter States of matter
  7. Reaction rates Reaction rates
  8. Acids and bases Acids and bases
  9. Oxidation reduction Oxidation reduction
  10. Radioactive decay Radioactive decay