Electrostatic forces in the crystal lattice of metals Animation Play

Elements of Group 17 Student activity Play

Elements of Group 17 Whiteboard exercise Play

Elements of Period 3 of the periodic table Whiteboard exercise Play

Elements of Period 3 of the periodic table Student activity Play

Energy transfer by convection Whiteboard exercise Play

Energy transformations in an electrical circuit Student activity Play

Enthalpy of hydration Student activity Play

Entropy Student activity Play

Eutrophication of water Student activity Play

Example of a displacement reaction Slideshow Play

Example of giant molecular solid: silicon dioxide Simulation Play

Examples of covalent compounds with various internal structures Student activity Play

Exceptional properties of some giant molecular solids Student activity Play

Factors affecting the lattice enthalpy Animation Play

Finding an expression for the nth term of a sequence Student activity Play

Fool's gold Whiteboard exercise Play

Formation of oxides Student activity Play

Free energy change and the solubility of ionic compounds Illustration Play

Free energy change and the solubility of ionic compounds Student activity Play

Gases, liquids and solids Class activity Play

Gases, liquids and solids Whiteboard presentation Play

Giant molecular solids Animation Play

Graphite Animation Play

Groups in the periodic table Student activity Play