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

Elements of Group 17 Student activity Play

Elements of Period 3 of the periodic table Student activity Play

Elements of Period 3 of the periodic table Whiteboard exercise Play

Elimination of hydrogen bromide from bromoethane Animation Play

Empirical formula Student activity Play

Energy considerations Animation Play

Enthalpy of formation of magnesium bromide Animation Play

Enthalpy of hydration Student activity Play

Enthalpy of solution. Part 2 Student activity Play

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

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

Eutrophication of water Student activity Play

Excitability – a special feature of the neurone plasma membrane Student activity Play

Experimental determination of enthalpy of solution Student activity Play

Extraction of metals Student activity Play

Extraction of metals and their reactivity Illustration Play

Factors affecting enthalpy of hydration Animation Play

Fibre Student activity Play

Fibre; minerals and vitamins Student activity Play

Finding the density of lithium Animation Play

Flame test Animation Play