Changes in the atomic radius of s-block elements within the period Animation Play

Changes in the conductivity of Period 3 elements Animation Play

Changes in the first ionisation energy across Period 3 Animation Play

Changes of state Whiteboard exercise Play

Charge transfer absorption of transition metals at high oxidation state Animation Play

Charged particles in electric and magnetic fields Student activity Play

Chemical change Student activity Play

Chemical energy sources Student activity Play

Chemical properties of s-block elements Class activity Play

Chemical properties of s-block elements Whiteboard presentation Play

Chemical reduction Animation Play

Chromium(III) and iron(II) compounds Animation Play

Classification and uses of acids Student activity Play

Classification of half-cells Illustration Play

Classifying metal bars as magnets or magnetic metals Whiteboard exercise Play

Colour of complex ions Student activity Play

Coloured compounds of transition metals Slideshow Play

Colourless transition metal ions Animation Play

Colours of metal compounds: d-block elements Whiteboard exercise Play

Colours of metal compounds: d-block elements Student activity Play

Colours of metal compounds: s- and p-block elements Student activity Play

Colours of metal compounds: s- and p-block elements Whiteboard exercise Play

Combustion of magnesium in oxygen Animation Play

Combustion of magnesium metal Animation Play

Comparing the reactivity of alkali metals and the alkaline-earth-metals Animation Play