Reactions of aqua ions with ammonia Chart Play

Reactions of complex ions Whiteboard exercise Play

Reactions of complex ions Student activity Play

Reactions of s-block elements Animation Play

Reactivity of alkali metals Student activity Play

Reactivity of alkali metals Animation Play

Reactivity of the alkali metals and their electron configuration Animation Play

Reactivity of the alkali metals and their position in the periodic table Animation Play

Relationship between the group number and the number of valence electrons Animation Play

Saturated solutions Student activity Play

Sodium ions Animation Play

Solid, liquid and gaseous states Student activity Play

Solids Animation Play

Solution of hexaaquairon(III) ions Whiteboard exercise Play

Spectral analysis Student activity Play

Spectral analysis Whiteboard exercise Play

Stability of fragmentation ions Whiteboard exercise Play

Stability of fragmentation ions Student activity Play

Strong and weak acids Student activity Play

Strong and weak bases Student activity Play

Structure and function of a capillary Slideshow Play

Structure of erythrocytes Animation Play

Substances that react with water Animation Play

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

Testing for ions Class activity Play