Lone electron pairs affect the shape of the molecule (1) Student activity Play

Maximum and minimum values on the graph Whiteboard exercise Play

Mechanism of enzymatic reactions Student activity Play

Melting and boiling points Simulation Play

Melting and boiling points (1) Student activity Play

Melting points of alkali metals and alkaline-earth metals Animation Play

Metallic bonding Student activity Play

Metallic bonding Class activity Play

Metallic bonding Whiteboard presentation Play

Metals Student activity Play

Metals as catalysts Animation Play

Metals distribution in the periodic table Animation Play

Metals in the periodic table Illustration Play

Methods for metal extraction Student activity Play

Methyl group Whiteboard exercise Play

Minerals and ores Whiteboard exercise Play

Minerals and ores Student activity Play

Modelling of the length of a day Animation Play

Molecular basis of blood group formation Animation Play

Molecular shapes Class activity Play

Molecular shapes Whiteboard presentation Play

Molecules with five or six covalent bonds Student activity Play

Molecules with six electron pairs Student activity Play

More complicated problems Whiteboard exercise Play

More complicated problems Student activity Play