Le Chatelier's principle Student activity Play

Le Chatelier's principle Whiteboard exercise Play

Lewis theory and earlier acid-base theories Animation Play

Lewis theory of acids and bases Whiteboard exercise Play

Lewis theory of acids and bases Student activity Play

Limestone Illustration Play

Limitations of acid-base titrations Chart Play

Limitations of acid-base titrations Student activity Play

Lipids – structure; function and sources in food Student activity Play

Liver and pancreas Animation Play

Locations of mineral ions in the soil Whiteboard exercise Play

Macro-element deficiency Animation Play

Macroelements Student activity Play

Magnesium Slideshow Play

Making salts Student activity Play

Making salts by neutralisation Animation Play

Manufacture of sulphuric(VI) acid Whiteboard exercise Play

Manufacture of sulphuric(VI) acid Student activity Play

Manufacture of sulphuric(VI) acid from sulphur Animation Play

Mass spectrum of ethanoic acid Illustration Play

Metals in the Earth's crust Animation Play

Methanoic acid Slideshow Play

Methods for metal extraction Student activity Play

Mineral ions in the human organism Slideshow Play

Mineral nutrition in plants Class activity Play