Hydrogen bonds in ammonia and water molecules Animation Play

Hydrogen deficiency index Animation Play

Hydrogen deficiency index Whiteboard exercise Play

Hydrogen deficiency index Student activity Play

Hydrological cycle Student activity Play

Hydrolysis of oxides Animation Play

Hydrolysis of salts in water solution Animation Play

Hydronium ion Animation Play

Identification of ammonium ions in the solution Animation Play

Identification of the carbonate ion Animation Play

Identification of the sulphate(IV) ion Animation Play

Identification of the sulphate(VI) ion Animation Play

Identifying metals by their reaction with water Whiteboard exercise Play

Importance of distilled water Slideshow Play

Importance of water for photosynthesis Animation Play

Index laws for integer exponents Student activity Play

Index laws for integer exponents Whiteboard exercise Play

Index laws for negative exponents Student activity Play

Index laws for negative exponents Whiteboard exercise Play

Index laws for negative exponents – a power of 2 Whiteboard exercise Play

Index laws for positive exponents Whiteboard exercise Play

Index laws for positive exponents Student activity Play

Index notation Student activity Play

Index notation Animation Play

Index notation Whiteboard exercise Play