1-chloropentane Animation Play

A change in the state of matter Animation Play

A covalent bond between the same atoms Animation Play

A covalent bond in a hydrogen molecule Animation Play

A diagram of the operation of a gas turbine engine Animation Play

A laser Student activity Play

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

A mercury barometer Animation Play

A microscopic view Animation Play

A mixture of nitrogen dioxide and dinitrogen tetroxide gases Whiteboard exercise Play

A model of a morphine molecule Illustration Play

A molecule of methanamine Animation Play

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

A pump Animation Play

A single covalent bond Animation Play

A tokamak Whiteboard exercise Play

A tokamak Slideshow Play

A tokamak Student activity Play

Ability to react with carbonates Animation Play

Ability to react with metals Animation Play

Abiotic factors Slideshow Play

Absolute values of entropy Student activity Play

Absolute zero Animation Play

Absorption and emission of gases Student activity Play

Absorption spectrum of gases Student activity Play