Elements required by plants Chart Play

Emission of light Student activity Play

Emission spectrum of excited atoms Animation Play

Empirical formula Animation Play

Empirical formula Student activity Play

Energy considerations Animation Play

Energy due to fusion Student activity Play

Energy levels Student activity Play

Energy levels Whiteboard exercise Play

Energy levels Simulation Play

Energy levels in a solid body Whiteboard exercise Play

Energy necessary for muscles to work Animation Play

Energy of dissolution reaction Glossary Play

Energy-level diagram for the hydrogen atom Animation Play

Enthalpy of combustion of ethanol Animation Play

Enthalpy of formation of magnesium bromide Animation Play

Enthalpy of hydration Student activity Play

Equations for the formation of salts Illustration Play

Essential elements Whiteboard exercise Play

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

Essential minerals Student activity Play

Examples of endothermic reactions Student activity Play

Examples of endothermic reactions Whiteboard exercise Play

Experiment with metals and acid Simulation Play

Extraction of metals Student activity Play