Re: Who first found out about molecules?
Date: Tue Dec 8 10:25:05 1998
Posted By: Dan Berger, MadSci Admin
Area of science: Science History
ID: 913131450.Sh
Message:
Who first found out about molecules?
Molecules were first proposed as a way of explaining the fact that, when
chemical reactions occur, things always combine in definite proportions.
The proposal was part of John Dalton's revival of atoms in 1803. Dalton proposed
that chemical elements are made of
atoms, which combine to form the
molecules of compounds. His 1808 book A New System
of Chemical Philosophy summarized and expanded his ideas, which were further
developed by other chemists down to our own day.
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