A change in the state of matter Animation Play

A comparison of the properties of C–C bonds and C=C bonds Animation Play

A state of balance Animation Play

Acid-base properties of amides Animation Play

Acid-base properties of gases Animation Play

Acidic properties Student activity Play

Acidic properties Whiteboard exercise Play

Acidic properties of ethanoic acid Animation Play

Acidic properties of hydrogen halides Simulation Play

Acidic properties of hydrogen halides Student activity Play

Acidic properties of sulphuric(VI) acid Slideshow Play

Aliphatic amines: physical properties Student activity Play

Aliphatic amines: physical properties Whiteboard exercise Play

Aliphatic amines: properties as bases Student activity Play

Aliphatic amines: properties as bases Whiteboard exercise Play

Allotropic forms of crystals Animation Play

Allotropy Student activity Play

Amorphous materials Student activity Play

Amphoteric properties of aluminium oxide Animation Play

An application Student activity Play

Antiparticles – matter and antimatter Whiteboard exercise Play

Antiparticles – matter and antimatter Student activity Play

Application of the properties of the scalar product Animation Play

Applying the properties of division Whiteboard exercise Play

Aquarium, water and fish volume Whiteboard exercise Play