Electrolytic dissociation (2) Student activity Play

Electron configuration of transition metal ions Student activity Play

Electron configuration of transition metal ions Whiteboard exercise Play

Electroscope Student activity Play

Emulsifying agent Animation Play

Emulsifying agents Student activity Play

Enlargement on the plane Animation Play

Enlargements in the coordinate system Student activity Play

Enlargements with negative scales Whiteboard exercise Play

Enlargements with negative scales Student activity Play

Enthalpies of hydration for selected ions Whiteboard exercise Play

Enthalpy Whiteboard exercise Play

Enthalpy change does not depend on the reaction pathway Animation Play

Enthalpy of solution. Part 1 Student activity Play

Entropy and spontaneous changes Student activity Play

Entropy change in the surroundings Animation Play

Erythrocytes – red discs Student activity Play

Establishing formulae of salts Animation Play

Even and odd number of negative signs Whiteboard exercise Play

Exchange mechanism in capillaries Animation Play

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

Existence of  nth root of a given number Whiteboard exercise Play

Experimental proof for the existence of dipole–dipole forces Student activity Play

Experimental proof for the existence of dipole–dipole forces Slideshow Play

Factors affecting the lattice enthalpy Animation Play