Reactions occurring at the electrodes Student activity Play

Reactions of aqua ions with ammonia Chart Play

Reactions of aqua ions with ammonia Student activity Play

Reactions of complex ions Whiteboard exercise Play

Reactions of complex ions Student activity Play

Reactions of metals with water and steam Whiteboard exercise Play

Reactions of metals with water and steam Student activity Play

Reactivity of alkali metals Animation Play

Reactivity of alkali metals Student activity Play

Reactivity of Group 1 and 2 metals Animation Play

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

Reactivity series Student activity Play

Recognising oxidising agents Student activity Play

Recognising oxidising and reducing agents Student activity Play

Recognising reducing agents Student activity Play

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

Relative abundance of isotopes and mass spectra Student activity Play

Replacing soil minerals Student activity Play

Resting and action potentials of a neurone Student activity Play

Reversible and irreversible reactions Student activity Play

Role of cations in plant cells Slideshow Play

Role of macro-elements absorbed as cations Student activity Play

s-block elements Animation Play

Salt hydrolysis Whiteboard exercise Play