The mechanism of dehydratation reaction Animation Play

The melting points of simple molecular solids Animation Play

The phenomenon of polarisability Animation Play

The physical properties of alkali metals Animation Play

The physical properties of the s-block metals (1) Student activity Play

The physical properties of the s-block metals (2) Student activity Play

The process of ionisation Animation Play

The reactivity of haloalkanes Animation Play

The reactivity of haloalkanes in nucleophilic substitution reactions Student activity Play

The reactivity of the s-block metals (2) Student activity Play

The relationship between the electronegativity of elements and the chemical properties of their compounds Student activity Play

The structure of ionic compounds Student activity Play

The unusual properties of beryllium Student activity Play

The unusual properties of beryllium Animation Play

The winners of the prizes Whiteboard exercise Play

Time measures Student activity Play

Transformation of an atom into an ion Student activity Play

Transformation of atoms into ions Student activity Play

Types of mineral ions in the soil Animation Play

Valence Student activity Play

Valence of elements in ionic compounds Animation Play

Water solutions of certain metal salts are acidic Animation Play

Why does dissolving electrolytes in water cause them to dissociate? Animation Play

Why salts of weak acids and strong bases produce alkaline solutions? Animation Play

Why some ionic compounds do not exist Student activity Play