The octet rule Animation Play

The operation of a tokamak Animation Play

The oxidation states of elements in compounds or ions Whiteboard exercise Play

The periodic table Whiteboard presentation Play

The periodic table Class activity Play

The placenta and umbilical cord Student activity Play

The plant cell Student activity Play

The plant cell Slideshow Play

The primary structure of proteins – the amino acid sequence Student activity Play

The primary structure of proteins – the amino acid sequence Whiteboard exercise Play

The properties of chemical compounds and their constituent elements Slideshow Play

The properties of chemical compounds and their constituent elements Student activity Play

The quaternary structure of proteins – a combination of subunits Student activity Play

The quaternary structure of proteins – a combination of subunits Simulation Play

The reactions that occur in a gaseous mixture of AB and CD molecules Whiteboard exercise Play

The relationship between atomic structure and the position of elements in periods Student activity Play

The relationship between atomic structure and the position of elements in periods Whiteboard exercise Play

The relationship between the electronegativity of elements and the chemical properties of their compounds Student activity Play

The secondary structure of proteins – the α-helix and the β-pleated sheet Student activity Play

The skeleton – structure and functions Whiteboard exercise Play

The solubility in water Animation Play

The stability of alkaline-earth-metal carbonates Student activity Play

The structural formula of the hydrocarbon Whiteboard exercise Play

The structure and function of lipids Slideshow Play

The structure and function of ribosomes Animation Play