Absorption and waste Class activity Play

Absorption of light by transition metal ions Animation Play

Absorption of the products of carbohydrate digestion Animation Play

Absorption of the products of protein digestion Animation Play

Absorption of the products of protein; carbohydrate and lipid digestion Student activity Play

Absorption spectrum of Co(II) ions Illustration Play

Absorption spectrum of Co(II) ions Whiteboard exercise Play

Absorption spectrum of Ti(III) ions Illustration Play

Acid-base reactions of metal ions Class activity Play

Acid-base reactions of metal ions Whiteboard presentation Play

Acidic properties of hydrogen halides Student activity Play

Acidity reaction (hydrolysis) of metal ions Student activity Play

Acidity reaction (hydrolysis) of metal ions Whiteboard exercise Play

Addition of strong acid to an ammonium buffer Animation Play

Addition of strong base to an ammonium buffer Animation Play

Ammonium cation Animation Play

Ammonium nitrate Animation Play

An ammonium salt with a hydrophobic aliphatic chain Slideshow Play

Arterioles and capillaries Student activity Play

Behaviour of halide ions in the presence of silver nitrate(V) Animation Play

Bonds in polyatomic ions Animation Play

Buffering action Student activity Play

Calcium ions enter the synaptic knob Animation Play

Calculating the pH of ammonia/ammonium chloride buffer Animation Play

Charges of ions of some elements Animation Play