Discontinuous variation Slideshow Play

Discontinuous variation Student activity Play

Distinguish between a physical and a chemical change Whiteboard exercise Play

Dmitri Mendeleev and the first periodic table Animation Play

Do alcohols have acidic properties? Student activity Play

Dragsters Animation Play

Dynamic state of chemical equilibrium Student activity Play

Early attempts to classify chemical elements (1) Student activity Play

Eating or drinking with a membership card Whiteboard exercise Play

Eating or drinking with a membership card Student activity Play

Effect of a change in reactant concentration on the rate of a chemical reaction Animation Play

Effect of temperature on free energy change Student activity Play

Effect of ΔH° and ΔS° on free energy change Student activity Play

Electron affinity Animation Play

Electron configuration Student activity Play

Electron configuration and periodic trends of transition elements Whiteboard presentation Play

Electron configuration and periodic trends of transition elements Class activity Play

Electron configuration and the periodic table Student activity Play

Electron configuration and the periodic table Whiteboard exercise Play

Electron configuration and the periodic table Whiteboard exercise Play

Electron configuration and the periodic table Whiteboard exercise Play

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

Electron configuration and the periodic table (2) Student activity Play

Electron configuration of atoms Class activity Play

Electron configuration of atoms Whiteboard presentation Play