Electron configuration of metals Whiteboard exercise Play

Electron configuration of neon and the sodium cation Illustration Play

Electron configuration of sodium Animation Play

Electron configurations of Period 3 elements Animation Play

Electronegativity Student activity Play

Electronegativity and the nature of bonds (1) Student activity Play

Electronegativity and the size of the atom Animation Play

Electrovalent (ionic) bonding Student activity Play

Elementary analysis Animation Play

Elements of Period 3 of the periodic table Student activity Play

Elements of Period 3 of the periodic table Whiteboard exercise Play

Elimination reactions Animation Play

Empirical formula Student activity Play

Endothermic and exothermic reactions Student activity Play

Energy considerations Animation Play

Energy in chemical reactions Whiteboard exercise Play

Energy in chemical reactions Student activity Play

Enthalpy changes Animation Play

Enthalpy of hydration Student activity Play

Enthalpy of solution. Part 2 Student activity Play

Equation for indigestion treatment Illustration Play

Equations for neutralisation reactions Illustration Play

Equations for the reactions of acids with carbonates Simulation Play

Equations for the reactions of acids with metals Simulation Play

Ethanoic acid/sodium ethanoate buffer – addition of strong acid Animation Play