Empirical formula Student activity Play

Empirical formulae and molecular formulae of compounds Student activity Play

Energy of dissolution reaction Glossary Play

Enthalpy of hydration Student activity Play

Entropy Class activity Play

Entropy Whiteboard presentation Play

Entropy Student activity Play

Entropy and spontaneous changes Student activity Play

Equilibrium constant expression Student activity Play

Equilibrium constants for the reaction of nitrogen with oxygen Animation Play

Essential elements Whiteboard exercise Play

Essential elements – macro-elements; trace elements and ultra-trace elements Student activity Play

Essential minerals Student activity Play

Eutrophication of natural waters Slideshow Play

Eutrophication of water Student activity Play

Extremely low and extremely high melting points Slideshow Play

Factors affecting bond enthalpy Animation Play

Factors affecting photosynthesis Student activity Play

Factors that affect the process of dissolution Student activity Play

Factors that affect the process of dissolution Whiteboard exercise Play

Factors that affect the progress of the reaction for the synthesis of ammonia Animation Play

Fertility of soils and water bodies Slideshow Play

Formation of the atmosphere Whiteboard exercise Play

Formation of the atmosphere Student activity Play

Formation of the atmosphere Animation Play