'Combustion' of hydrogen Student activity Play

Complex ions Student activity Play

Composition of air Student activity Play

Composition of air Whiteboard exercise Play

Compounds in sea water Slideshow Play

Concentration of hydrogen and hydroxide ions in pure water Animation Play

Concentration of hydroxide ions and the pH Animation Play

Conditions on the primitive Earth Slideshow Play

Conditions on the primitive Earth Student activity Play

Conjugate acid–base Animation Play

Conservation of mass (1) Whiteboard exercise Play

Conservation of mass (1) Student activity Play

Continuous and line spectra Class activity Play

Continuous and line spectra Whiteboard presentation Play

Coupling patterns: 1H atoms on oxygen and nitrogen Student activity Play

Coupling patterns: coupling with equivalent hydrogen atoms Whiteboard exercise Play

Coupling patterns: coupling with non-equivalent hydrogen atoms Whiteboard exercise Play

Coupling patterns: hydrogen atoms on oxygen and nitrogen Whiteboard exercise Play

Covalent bond in hydrogen, fluorine and hydrogen fluoride molecules Animation Play

Covalent bonding Whiteboard exercise Play

Covalent bonding (1) Student activity Play

Covalent bonding (2) Student activity Play

Covalent bonding and dissociation Animation Play

Dative (coordinate) bond Student activity Play

Dative bond in the ammonium cation Animation Play