What is chemistry? A brief introduction - Five minute chemistry Ep. 01

The concept of elements - Five minute chemistry Ep. 02

Compounds and mixtures - Five minute chemistry Ep. 03

Dalton's atomic theory - Five minute chemistry Ep. 04

Relative atomic mass, molecules - Five minute chemistry Ep. 05

Valence - Five minute chemistry Ep. 06

Making the periodic table - Five minute chemistry Ep. 07

The chemical elements - Five minute chemistry Ep. 08

Discovering the electron - Five minute chemistry Ep. 09

Structure of the atom - Five minute chemistry Ep. 10

Isotopes, nucleides - Five minute chemistry Ep. 11

The mass of a single atom - Five minute chemistry Ep. 12

Interesting questions about elements and atoms - Five minute chemistry Ep. 13

Avogadro's number, mole, molar mass - Five minute chemistry Ep. 14

Formula weight, numbers of atoms in compounds - Five minute chemistry Ep. 15

Energy: kinetic energy and potential energy - Five minute chemistry Ep. 16

Transforming kinetic and potential energy - Five minute chemistry Ep. 17

Formation of ions: anions, cations - Five minute chemistry Ep. 18

Ionic compounds - Five minute chemistry Ep. 19

Valence electrons and the Lewis symbols - Five minute chemistry Ep. 20

Composition of binary ionic compounds - Five minute chemistry Ep. 21

Covalent bonds, molecules - Five minute chemistry Ep. 22

Electronegativity, bond polarity - Five minute chemistry Ep. 23

Drawing Lewis structures for molecules - Five minute chemistry Ep. 24

Lewis structures of polyatomic ions, formal charges - Five minute chemistry Ep. 25

Using formal charges to draw better Lewis structures - Five minute chemistry Ep. 26

Oxidation numbers - Five minute chemistry Ep. 27