Reaction between sodium and chlorine Student activity Play

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

Reaction of polymerisation Animation Play

Reactions between alkali metals and the halogens Student activity Play

Reactions between halogens and metals Student activity Play

Reactions in the gas phase Animation Play

Reactions involving phase changes Animation Play

Reactions of alkali metals Whiteboard presentation Play

Reactions of alkali metals Class activity Play

Reactions of complex ions Student activity Play

Reactions of complex ions Whiteboard exercise Play

Reasons for the high reactivity of alkenes Whiteboard exercise Play

Reasons for the high reactivity of alkenes (2) Student activity Play

Recognising examples of biological weathering Whiteboard exercise Play

Recognising oxidising and reducing agents Student activity Play

Red blood cells Illustration Play

Redox reactions around us Student activity Play

Redox reactions around us Slideshow Play

Reduction of aldehydes and ketones Whiteboard exercise Play

Reduction of aldehydes and ketones (1) Student activity Play

Reduction of aromatic nitro compounds Animation Play

Relation between enthalpy of solution and enthalpy of hydration Whiteboard exercise Play

Relationship between photosynthesis and plant respiration Student activity Play

Relationship between photosynthesis and plant respiration Simulation Play

Reproduction and species Slideshow Play