Statements about melting points Illustration Play

Statements about solids Whiteboard exercise Play

Steel Slideshow Play

Steel Student activity Play

Stereochemistry of the C=C bond in ethene Animation Play

Stereoisomerism: optical isomers Student activity Play

Stoichiometric calculations Student activity Play

Straight carbon chain Whiteboard exercise Play

Strength Student activity Play

Structure and naming of carboxylic acids Student activity Play

Structure determination by chemical methods: an example Animation Play

Structure of alkenes Student activity Play

Structure of cycloalkenes Animation Play

Structure of oxides Student activity Play

Structure of starch Illustration Play

Structure of the C=C bond Student activity Play

Structure of the C=C bond Whiteboard exercise Play

Structures of the simplest alkanes Animation Play

Substance and its properties Slideshow Play

Substances essential for the growth of plants Student activity Play

Substances in the placenta Whiteboard exercise Play

Sucrose Whiteboard exercise Play

Sucrose Student activity Play

Sucrose Illustration Play

Suffocation by carbon monoxide Animation Play