Reactions of aqua ions with ammonia Student activity Play

Reactions of complex ions Student activity Play

Reactions of complex ions Whiteboard exercise Play

Role of cations in plant cells Slideshow Play

Role of macro-elements absorbed as cations Student activity Play

Salt hydrolysis Student activity Play

Salt hydrolysis Whiteboard exercise Play

Salts of strong acids and weak bases Student activity Play

Saturated solutions Student activity Play

Soaps Student activity Play

Sodium ions Animation Play

Soil as a source of minerals Student activity Play

Solubility of salts Student activity Play

Solution of hexaaquairon(III) ions Whiteboard exercise Play

Stability of fragmentation ions Student activity Play

Stability of fragmentation ions Whiteboard exercise Play

Strong and weak acids Student activity Play

Strong and weak bases Student activity Play

Structure and function of a capillary Slideshow Play

Structure and properties of amines Class activity Play

Structure and properties of amines Whiteboard presentation Play

Structure and properties of quaternary ammonium salts Animation Play

Structure of erythrocytes Animation Play

Substances essential for the growth of plants Student activity Play

Synapses – functioning and importance of junctions between neurones Student activity Play