About cells Student activity Play

Addition of elements to alkenes Student activity Play

Addition of hydrogen – hydrogenation Animation Play

Addition polymerisation Student activity Play

Addition reaction – hydrogenation Student activity Play

Additional information contained in chemical equations Student activity Play

Air pollution Student activity Play

Air pollution with nitrogen monoxide Slideshow Play

Algebraic method Animation Play

Algorithm of the equation for hydrocarbon combustion Animation Play

Alkanes Student activity Play

Alkyl and aryl groups Animation Play

Alkyl groups Animation Play

Alkyl groups Student activity Play

Analysis of the products of total combustion Slideshow Play

Analytical tests in organic chemistry Class activity Play

Analytical tests in organic chemistry Whiteboard presentation Play

Atmospheric carbon dioxide Student activity Play

Atmospheric carbon dioxide Animation Play

Balancing chemical equations Animation Play

Balancing chemical equations. Part 1 Student activity Play

Batteries Illustration Play

Boiling points and melting points of some alkanes Chart Play

Branched alkyl groups Student activity Play

Breaking and making the bonds in combustion reaction of methane Animation Play