A double bond in ethene Animation Play

A triple bond in ethyne Animation Play

Bonding in the oxygen molecule Animation Play

How do cells transfer energy? Student activity Play

Hybridisation and multiple bonds Student activity Play

Isomerisation of cis-but-2-ene Animation Play

Non-terminating decimals and irrational numbers Student activity Play

Not all reactions involve collisions Student activity Play

Number π Animation Play

Pi (Ï€) bond Student activity Play

Pi (Ï€) bond Whiteboard exercise Play

Properties of amino acids Student activity Play

Solubility in water Animation Play

The circumference and the astonishing number Pi Student activity Play

The circumference and the astonishing number Pi Whiteboard exercise Play

Valence bond theory and hybridisation Whiteboard presentation Play

Valence bond theory and hybridisation Class activity Play