Reaction of iron(III) chloride with potassium iodide Animation Play

Reaction of potassium bromide and potassium iodide with sulphuric acid Animation Play

Reaction of potassium manganate(VII) with hydrogen peroxide Animation Play

Reactions between metal halides and concentrated sulphuric acid 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 reducing agents Student activity Play

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

Replacing soil minerals Student activity Play

Resting and action potentials of a neurone 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

Salts in the human organism Illustration Play

Salts of s-block elements occurring in nature Slideshow Play

Seawater Slideshow Play

Sentences about reactions of metals with acids Whiteboard exercise Play

Soil Student activity Play

Soil as a source of minerals Student activity Play