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22 terms

Chemistry

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Chemistry
the study of substances and elements as they combine to form new substances
Matter
anything that takes up space and has mass
Space
has volume, is 3-dimensional, fits stuff within
Mass
the amount of atoms contained
Element
different kinds of atom
Atom
greek derivative, cannot be divided any further
Atom
contains subatomic particles (protons, neutrons, electrons)
Qualitative
description that uses words
Quantitative
uses numbers to describe
Accuracy
hitting the true value
Precision
hitting the same value over and over again
Biochemistry
chemistry of living organisms
Organic Chemistry
uses carbon with few others such as chonps
Chonps
carbon, hydrogen, oxygen, nitrogen, phosphorous, sulfur
Inorganic Chemistry
chemistry of all elements, including carbon. Usually based on quantitative measures
Analytical
breakdown of the parts in a chemical
Percent Error
amount of error in an experiment
Experiment
a test for a statement
Hypothesis
a statement which can be tested
Science
asks questions, you must be able to test repeatedly
Theory
a hypothesis that has been tested several times, accepted to be a good prediction
Law
a theory that has been tested a lot of times