CHEMISTRY
CONCEPT OF CHEMISTRY: the science that deals with the properties, composition, and structure
of substances (defined as elements and compounds), the
transformations that they undergo, and the energy that is released or
absorbed during these processes. Every substance, whether naturally
occurring or artificially produced, consists of one or more of the
hundred-odd species of atoms that have been identified as elements.
Although these atoms, in turn, are composed of more elementary
particles, they are the basic building blocks of chemical substances;
there is no quantity of oxygen, mercury, or gold, for example, smaller
than an atom of that substance. Chemistry, therefore, is concerned
not with the subatomic domain but with the properties of atoms and
the laws governing their combinations and with how the knowledge of
these properties can be used to achieve specific purposes.
BRANCHES
1.- INORGANIC CHEMISTRY
2.- ORGANIC CHEMISTRY
3.- ANALYTICAL CHEMISTRY
4.- PHYSICAL CHEMISTRY
IMPORTANT LINKS
AMERICAN CHEMICAL SOCIETY
BIBLIOGRAPHY
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