Are all atoms of the same element identical? Student activity Play

Atmospheric pressure Student activity Play

Autocatalysis Animation Play

Autocatalysis Student activity Play

Autoionisation of water Whiteboard exercise Play

Autoionisation of water Student activity Play

Balancing equations for redox reactions in acidic solution using half-equations Student activity Play

Barometer Animation Play

Base dissociation constant Kb (1) Student activity Play

Basic amino acids Slideshow Play

Basic components of each living cell Illustration Play

Basic properties of matter Class activity Play

Basic properties of matter Whiteboard presentation Play

Benzene Class activity Play

Benzene Whiteboard presentation Play

Biofermenters Student activity Play

Biological importance of hydrogen bonding in ice and water Animation Play

Biological weathering Student activity Play

Boiling point of alkanes Student activity Play

Boiling points of straight-chain alkanes and cycloalkanes Animation Play

Bonds contributing to the tertiary structure Animation Play

Bronsted acids and bases – summary Animation Play

Bronsted–Lowry theory Whiteboard exercise Play

Brønsted acids and bases Animation Play

Brønsted–Lowry theory Student activity Play