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Glossary of chemistry ch1 2

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chemistry
study of the composition of matter and the changes it undergoes
organic chemistry
study of essentially all compounds that contain carbon
inorganic chemistry
study of essentially all compounds that do not contain carbon
physical chemistry
study of the behavior of chemicals
analytical chemistry
study of the composition of substances
biochemistry
study of the chemistry of living organisms
polymers
gigantic molecules found in many common materials
lithium and iodine
chemical substances used in new types of batteries
clone
an exact genetic copy of its parent
pheremones
molecules used to attract insects
carbon dioxide
chemical the traps heat in the atomosphere
scientific method
a logical approach to the solution of scientific problems
hypothesis
a proposed explanation for an observation
theory
a broad and extensively tested explanation of why experiments give certain results
scietific law
a concise statement that summarizes the results of many observations and experiments

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