Calculating mass given the number of moles Student activity Play

Calculating the composition of a mixture (2) Student activity Play

Calculating the volume of mercury Animation Play

Cardboard model of a cone Animation Play

Chances in throwing a die Animation Play

Change in the atomic radius across Period 3 Animation Play

Change in the atomic radius across Period 3 Illustration Play

Changes in atomic radius within a group of s-block elements Animation Play

Changes in electronegativity across Period 3 Animation Play

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

Changes in the first ionisation energy across Period 3 Animation Play

Changes in the first ionisation energy across Period 3 Illustration Play

Chemical reactions in practice Student activity Play

Chemical reactions in practice Whiteboard exercise Play

Classification of elements Animation Play

Coefficients in gaseous reactions Animation Play

Comparison Whiteboard exercise Play

Comparison of different objects Animation Play

Comparisons Student activity Play

Configuration of the cobalt ion Whiteboard exercise Play

Continuous and line spectra Animation Play

Copper wire Whiteboard exercise Play

Coupling patterns: coupling with equivalent 1H atoms Student activity Play

Covered distance Animation Play

Cross-multiplication Whiteboard exercise Play