Part of Chemistry (Single Science) Chemicals of the natural environment The general formula for the alkanes is C n H 2n+2 (where n is the number of carbon atoms in the molecule). The table shows four ...

A rotaxane consisting of a crown ether threaded on a dumbbell-shaped structure (top). When light shines on it (model, bottom) the crown ether (C is yellow; H, white; and O, orange) moves along the ...

You might know that H20 is the chemical formula for water, but what about the chemistry of you? Dr Joe Hanson, a science writer and biologist based in Austin, Texas, pondered this very question and ...

General Introduction: Importance and scope of Chemistry. Nature of matter, laws of chemical combination, Dalton's atomic theory: concept of elements, atoms and molecules. Atomic and molecular masses, ...