Ability to react with metals Animation Play

Abundance of the elements in the crust and in the whole Earth Animation Play

Acids (2) Student activity Play

Acids and alkalis Class activity Play

Across the periodic table Student activity Play

Additional information contained in chemical equations Student activity Play

Alkaline earth metals Student activity Play

Alkaline earth metals Slideshow Play

Aluminium alloys Student activity Play

Application of magnesium hydroxide Slideshow Play

Are all atoms of the same element identical? 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 Simulation Play

Arranging metals according to their increasing reducing power Student activity Play

Atomic number and mass number Student activity Play

Atomic radii of the s-block elements Student activity Play

Atomic radius Student activity Play

Balancing chemical equations Animation Play

Balancing chemical equations. Part 1 Student activity Play

Basic oxygen process Animation Play

Born-Haber cycle Student activity Play

Catalysts Student activity Play

Changes in oxidation states in redox reactions Student activity Play

Changes in the atomic radius of s-block elements within the period Animation Play