Concentration of hydrogen and hydroxide ions in pure water Animation Play

Conductivity Student activity Play

Conductivity Simulation Play

Conductivity Whiteboard exercise Play

Continuous and line spectra Whiteboard presentation Play

Continuous and line spectra Class activity Play

Covalent bonding. Part II Whiteboard presentation Play

Covalent bonding. Part II Class activity Play

d- and f-block elements Animation Play

Decay of uranium Animation Play

Deduction Whiteboard exercise Play

Deduction Student activity Play

Density Animation Play

Density of transition metals Illustration Play

Determining the empirical formula Student activity Play

Determining the empirical formula Whiteboard exercise Play

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

Do alloys have different properties from pure metals? Simulation Play

Do alloys have different properties from pure metals? Student activity Play

Does chemically pure water conduct an electric current? Student activity Play

Does chemically pure water conduct an electric current? Simulation Play

Dynamic state of chemical equilibrium Student activity Play

Early attempts to classify chemical elements Student activity Play

Early attempts to classify chemical elements Whiteboard exercise Play

Early attempts to classify chemical elements Whiteboard exercise Play