Determining the empirical formula Whiteboard exercise Play

Determining the formula of a compound knowing the valence of its elements Student activity Play

Determining the mean bond enthalpy for polyatomic molecules Animation Play

Determining the molecular formula Animation Play

Determining the molecular formula Animation Play

Determining the molecular formula Student activity Play

Development of the embryo Student activity Play

Development of the embryo Simulation Play

Diatomic molecules Student activity Play

Differences between terrestrial and aquatic environments Student activity Play

Different structures Animation Play

Diffusion Animation Play

Diffusion across the plasma membrane Whiteboard exercise Play

Diffusion in gases Student activity Play

Digestion Class activity Play

Dinitrogen pentoxide Simulation Play

Discovery of noble gases Animation Play

Dispersion forces (London forces) Student activity Play

Dispersion forces in halogens Animation Play

Dissipation of heat Animation Play

Dissociation constants for di- and triprotic acids Student activity Play

Dissociation constants for di- and triprotic acids Illustration Play

Dissociation of acids Student activity Play

Dissociation of acids Whiteboard exercise Play

Dissociation of HCl Simulation Play