Density Class activity Play

Density and the molecular structure of matter Student activity Play

Density of alkali metals Student activity Play

Density of solids Student activity Play

Density of transition metals Illustration Play

Determination of the acidic properties of ethanol Animation Play

Determining the atomic radius Animation Play

Determining the composition of atomic nuclei Student activity Play

Determining the composition of atomic nuclei Whiteboard exercise Play

Determining the electron configuration on the basis of the periodic table Student activity Play

Determining the empirical formula Student activity Play

Determining the empirical formula Animation Play

Determining the molecular formula Student activity Play

Development of atomic theory. Radioactivity Whiteboard presentation Play

Development of atomic theory. Radioactivity Class activity Play

Diffraction of electrons Whiteboard exercise Play

Diffraction of electrons – the Davisson-Germer experiment Student activity Play

Discovering bases Student activity Play

Discovery of electron Animation Play

Discovery of elementary particles Student activity Play

Dispersion forces in halogens Animation Play

Displace metal from a solution Animation Play

Displacement of hydrogen from acids by metals Animation Play

Displacement of metals from a solution by other metals Chart Play

Displacement of metals from solutions of their salts by other metals Animation Play