Proton NMR spectrum of propanal Animation Play

Reaction mechanisms Student activity Play

Reaction of ammonia with aqua complex ions Animation Play

Reaction of iron(III) chloride with potassium iodide Animation Play

Reaction with ammonia Animation Play

Reaction with hydroxide ions Animation Play

Reactions of aqua ions with ammonia Student activity Play

Reactions of complex ions Whiteboard exercise Play

Reactions of complex ions Student activity Play

Recognising examples of biological weathering Whiteboard exercise Play

Reversible and irreversible reactions Student activity Play

Roots of roots – more examples of true or false equations Whiteboard exercise Play

Salts of strong acids and weak bases Student activity Play

Similarity – examples and definition Student activity Play

Simple examples of index laws Whiteboard presentation Play

Simple examples of index laws Class activity Play

Simplifying algebraic fractions – more complex examples Student activity Play

Solution of the equation – examples Simulation Play

Solving problems involving quadratic equations (1) Whiteboard presentation Play

Solving problems involving quadratic equations (1) Class activity Play

Stability of the metal complexes with multidentate ligands Animation Play

Stars and constellations Whiteboard exercise Play

Stars and constellations Student activity Play

State of chemical equilibrium Animation Play

Structure of metal complexes with multidentate ligands Animation Play