Enzymes Whiteboard exercise Play

Equations for the reactions of acids with metals Simulation Play

Ethanol Illustration Play

Example of simple molecular solid: carbon dioxide Simulation Play

Examples of covalent compounds with various internal structures Student activity Play

Examples of endothermic reactions Whiteboard exercise Play

Examples of endothermic reactions Student activity Play

Examples of exothermic reactions Student activity Play

Explosion of nitroglycerine Whiteboard exercise Play

Extension Student activity Play

Extension Simulation Play

Extraction of aluminium Student activity Play

Extraction of iron from ores in a blast furnace Animation Play

Extraction of metals Student activity Play

Extraction of metals and their reactivity Illustration Play

Extraction of metals. Part I Class activity Play

Extraction of metals. Part I Whiteboard presentation Play

Extraction of titanium Animation Play

Extraction of titanium Student activity Play

Factors affecting dispersion forces Student activity Play

Factors affecting mean bond enthalpies Animation Play

Factors affecting metal prices Animation Play

Factors explaining of the huge number of carbon-containing compounds Animation Play

Fast and slow reactions Student activity Play

Force and extension. Strength Student activity Play