All salts are electrolytes Animation Play

Alloys Class activity Play

Alloys Whiteboard presentation Play

Alloys of gold Animation Play

Aluminium alloys Student activity Play

Aluminium – lead – silver Whiteboard exercise Play

Amides and nitriles Student activity Play

Ammine complexes with non-octahedral geometry Animation Play

Ammonia – a weak base Animation Play

Ammonium cation Animation Play

Ammonium nitrate Animation Play

Amphoteric metal hydroxides Animation Play

An application of a proportion Student activity Play

Appearance of copper sulphide Illustration Play

Application of transition elements and their compounds Slideshow Play

Applications of elements arising from their conductivities Slideshow Play

Applications of standard reduction potentials Student activity Play

Applications of standard reduction potentials Whiteboard exercise Play

Aqua regia Animation Play

Arrangement of chemical elements in the periodic table Student activity Play

Arranging metals according to increasing reactivity Student activity Play

Arranging metals according to increasing reactivity Animation Play

Arranging metals according to their increasing reducing power Student activity Play

Arranging metals according to their increasing reducing power Simulation Play

Atomic mass of an element Whiteboard exercise Play