Calcium carbonate cycle Animation Play

Calcium fluoride Animation Play

Calcium ions enter the synaptic knob Animation Play

Calculating the masses of reacting substances Whiteboard exercise Play

Calculating the masses of reacting substances (2) Student activity Play

Calculating the pH of ammonia/ammonium chloride buffer Animation Play

Calculations involving the reactions of metals and water Whiteboard exercise Play

Calculations involving the reactions of metals and water Student activity Play

Changes in components of milk during pasteurization Whiteboard exercise Play

Chemical elements that make up black soil Illustration Play

Chemical equations Student activity Play

Chemical formula of the compound Animation Play

Chemical properties of oxides Whiteboard exercise Play

Chemical properties of oxides Student activity Play

Chromium(III) and iron(II) compounds Animation Play

Cofactors Student activity Play

Common unidentate ligands Chart Play

Comparing the reactivity of alkali metals and the alkaline-earth-metals Animation Play

Comparison of the reactivity of Group 1 and 2 metals Student activity Play

Components of plasma Slideshow Play

Composition of air Student activity Play

Composition of the Earth's crust Student activity Play

Composition of the Earth's crust Slideshow Play

Composition of the Earth's crust Illustration Play

Concentration of hydrogen and hydroxide ions in pure water Animation Play