Composition of the Earth's crust Slideshow Play

Composition of the Earth's crust Illustration Play

Conductivity Student activity Play

Connective tissues – general organisation Student activity Play

Conservation of mass (1) Whiteboard exercise Play

Conservation of mass (1) Student activity Play

Crystal lattice of sodium chloride Animation Play

Dative (coordinate) bond Student activity Play

Dative bond in the ammonium cation Animation Play

Decomposition of calcium carbonate Animation Play

Decomposition of calcium carbonate Animation Play

Decomposition of calcium carbonate – a kinetic study Student activity Play

Decomposition of calcium carbonate – a kinetic study Whiteboard exercise Play

Decreasing the concentrations of reacting substances Animation Play

Deficiency of macro-elements Whiteboard exercise Play

Detecting the presence of chlorine in haloalkanes Animation Play

Determining the empirical formula Animation Play

Displacement reactions Glossary Play

Displacement reactions Student activity Play

Dissociation of bases Student activity Play

Dissociation of bases Whiteboard exercise Play

Dissociation of weak bases Animation Play

Dissolving ionic compounds in water Student activity Play

Effect of temperature on free energy change Student activity Play

Effects of macro-element deficiencies Simulation Play