Elements and non-elements – sorting substances Whiteboard exercise Play

Elements of Group 17 Student activity Play

Elements of Period 3 of the periodic table Whiteboard exercise Play

Elements of Period 3 of the periodic table Student activity Play

Elements, mixtures and compounds Whiteboard exercise Play

Emission of electrons Student activity Play

Energy considerations Animation Play

Energy considerations Animation Play

Energy of electromagnetic radiation Student activity Play

Enthalpy of hydration Student activity Play

Entropy Student activity Play

Entropy Whiteboard exercise Play

Enzymes Student activity Play

Equations for displacement reactions Whiteboard exercise Play

Equations for the formation of salts Illustration Play

Equations for the reactions of acids and bases Simulation Play

Equations for the reactions of acids with metals Simulation Play

Equilibria of complex formation and the formation constant Animation Play

Erythrocytes – red discs Student activity 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 chemical reactions Whiteboard exercise Play

Examples of covalent compounds with various internal structures Student activity Play

Examples of displacement reactions Student activity Play