Born–Haber cycle Class activity Play

Born–Haber cycle for sodium chloride Animation Play

Causes of ion formation (1) Student activity Play

Changes in the properties of the oxides of Period 3 Whiteboard exercise Play

Charged particles in electric and magnetic fields Student activity Play

Charging by contact Whiteboard exercise Play

Charging by contact Student activity Play

Charging by induction Student activity Play

Charging by induction Whiteboard exercise Play

Chemical bonding in the chlorides of Group 2 Whiteboard exercise Play

Chemical bonding in the chlorides of Group 2 Student activity Play

Chemical bonding in the chlorides of Period 3 Illustration Play

Chemical bonding in the chlorides of Period 3 Student activity Play

Chloride ion content in sea water Animation Play

Chlorides of Group 2 elements Animation Play

Chlorides of Period 3 elements Chart Play

Competition between weeds and crop plants Slideshow Play

Complex formation and the solubility of ionic compounds Student activity Play

Complex formation and the solubility of ionic compounds Animation Play

Concentration of hydroxide ions and the pH Animation Play

Condensed and skeletal formulae Animation Play

Conductivity of electrolytes Whiteboard presentation Play

Conductivity of electrolytes Class activity Play

Conjugate acid–base Animation Play

Covalent bonding and dissociation Animation Play