Protective equipment in a chemical laboratory Animation Play

Purification of aluminium oxide, a chemical process Animation Play

Quantitative composition of a chemical compound Animation Play

Quantities of essential elements in 1000 g of dry plant mass Illustration Play

Ranges of chemical shifts for 1H atoms commonly found in organic molecules Chart Play

Ranges of chemical shifts for hydrogen atoms found in organic molecules Chart Play

Rate equation and order of reaction Student activity Play

Rate of photosynthesis and water balance of a plant Slideshow Play

Reaction of zinc metal with hydrochloric acid Animation Play

Reaction yields Student activity Play

Reactions between halogens and metals Student activity Play

Reactions between Period 3 elements and water Whiteboard exercise Play

Reactions between Period 3 elements and water (2) Student activity Play

Reactions occurring on the surface of a solid catalyst Student activity Play

Reactions of complex ions Student activity Play

Real gases Student activity Play

Recognising examples of biological weathering Whiteboard exercise Play

Red blood cells Illustration Play

Redox reactions around us Student activity Play

Redox reactions around us Slideshow Play

Reduction Slideshow Play

Relationship between photosynthesis and plant respiration Student activity Play

Relationship between photosynthesis and plant respiration Simulation Play

Representative values of chemical shifts Animation Play

Reproduction and species Slideshow Play