Copper alloys Slideshow Play

Copper and titanium Class activity Play

Copper and titanium Whiteboard presentation Play

Current flowing in a circuit Animation Play

d- and f-block elements Animation Play

Decomposition of ammonia on a metal surface Animation Play

Democritus's atomic theory Animation Play

Density of alkali metals Student activity Play

Density of solids Student activity Play

Density of transition metals Illustration Play

Determination of the acidic properties of ethanol Animation Play

Determining the atomic radius Animation Play

Discovery of electron Animation Play

Discovery of elementary particles Student activity Play

Displace metal from a solution Animation Play

Displacement of hydrogen from acids by metals Animation Play

Displacement of metals from a solution by other metals Chart Play

Displacement of metals from solutions of their salts by other metals Student activity Play

Displacement of metals from solutions of their salts by other metals Animation Play

Dissolving noble metals Animation Play

Do alcohols have acidic properties? Student activity Play

Do alloys have different properties from pure metals? Student activity Play

Do alloys have different properties from pure metals? Simulation Play

Early atomic theories Whiteboard exercise Play

Early atomic theories Student activity Play