1-chloropentane Animation Play

1-chloropropane Animation Play

2-chloropropane Animation Play

A comparison of the properties of C–C bonds and C=C bonds Animation Play

A covalent bond between the same atoms Animation Play

A covalent bond in a hydrogen molecule Animation Play

A Lewis dot-and-cross diagram of a hydrogen chloride molecule Animation Play

A model of a morphine molecule Illustration Play

A molecule of ethene Animation Play

A molecule of methanamine Animation Play

A proof for rapid exchange of hydrogen atoms in hydroxyl groups Slideshow Play

A shared electron pair Animation Play

A single covalent bond Animation Play

A stable configuration of carbon atom Animation Play

Ability to react with metals Animation Play

Abiotic factors Slideshow Play

Absolute values of entropy Student activity Play

Absorption and emission of gases Simulation Play

Absorption and emission of gases Whiteboard exercise Play

Absorption and emission of gases Student activity Play

Abundance of chemical elements in nature Student activity Play

Abundance of elements in nature Slideshow Play

Abundance of the principal elements in the Universe Slideshow Play

Acid dissociation constant and pH (1) Student activity Play

Acid dissociation constant and pH (2) Student activity Play