Democritus's atomic theory Animation Play

Density Student activity Play

Density and the molecular structure of matter Student activity Play

Determination of molecular structure Whiteboard presentation Play

Determination of molecular structure Student activity Play

Determination of molecular structure Class activity Play

Determination of the molecular structure of an unknown compound Student activity Play

Determining the concentration of a solution using redox titration Whiteboard exercise Play

Determining the concentration of a solution using redox titration (2) Student activity Play

Determining the empirical formula Student activity Play

Determining the mean bond enthalpy for polyatomic molecules Animation Play

Determining the molecular formula Student activity Play

Determining the molecular formula Animation Play

Different structures Animation Play

Digestion Class activity Play

Dinitrogen pentoxide Simulation Play

Discovering matter Student activity Play

Dispersion forces (London forces) Student activity Play

Dispersion forces in halogens Animation Play

Displace metal from a solution Animation Play

Displacement of metals from a solution by other metals Chart Play

Displacement of metals from solutions of their salts by other metals Student activity Play

Displacement reactions Student activity Play

Displacement reactions Glossary Play

Displacement reactions Student activity Play