Determining the formula of a compound knowing the valence of its elements Whiteboard exercise Play

Diamond and graphite Slideshow Play

Dissolution of solids in water Student activity Play

Does a chemical compound have a constant composition? Student activity Play

Does a compound have a constant composition? Student activity Play

Effect of concentration on reaction equilibrium Whiteboard exercise Play

Effect of concentration on reaction equilibrium Student activity Play

Effect of sulphur dioxide on living organisms Simulation Play

Effect of sulphur dioxide on people Illustration Play

Effect of sulphur dioxide on plants Illustration Play

Effect of sulphur dioxide on the process of corrosion Illustration Play

Effects of macro-element deficiencies Simulation Play

Effects of macro-element deficiencies Student activity Play

Electron configuration and the periodic table Student activity Play

Electron configuration and the periodic table (1) Student activity Play

Electron configuration and the periodic table (2) Student activity Play

Electron configuration of elements Student activity Play

Electron configuration of sulphur Animation Play

Electron configuration of sulphur Animation Play

Electron configuration of sulphur, S Whiteboard exercise Play

Electronegativity and the nature of bonds (1) Student activity Play

Elements of Period 3 of the periodic table Student activity Play

Elements of Period 3 of the periodic table Whiteboard exercise Play

Elements required by plants Chart Play

Empirical formula Student activity Play