Determining the molecular formula Student activity Play

Determining the molecular formula Whiteboard exercise Play

Determining the molecular formula Animation Play

Diamond Animation Play

Diamond and graphite Slideshow Play

Does a compound have a constant composition? Student activity Play

Early attempts to classify chemical elements Whiteboard exercise Play

Early attempts to classify chemical elements Student activity Play

Early concepts of the structure of benzene Student activity Play

Effect of oxygen and carbon dioxide on the respiratory system Animation Play

Effects of changing carbon dioxide concentrations in the Earth's atmosphere Simulation Play

Electrical conductivity of diamond Animation Play

Electrical conductivity of graphite Animation Play

Electrolysis of aluminium oxide Animation Play

Electron configuration and the periodic table (1) Student activity Play

Electron configuration of atoms Student activity Play

Electron configuration of elements Student activity Play

Electron configuration of elements Whiteboard exercise Play

Electron configuration of few first elements Animation Play

Electron configuration of some of the elements Animation Play

Electrophilic addition of hydrogen halides to double bond Student activity Play

Elementary composition of the human body Simulation Play

Elements Student activity Play

Elements and atoms Illustration Play

Elements and non-elements – sorting substances Whiteboard exercise Play