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15 Cards in this Set

  • Front
  • Back
Define Chemistry
Study of matter, chemical molecules & elements
Matter
-Has mass
-Takes up space
Elements
A group of atoms held together
Why study Chemistry
Effect health care, food clothing & natural resources
Who uses Chemistry
Cooks, Farmers, Doctors, Engineers
Bias
A Preference in Judgement; One sided
Empirical Evidence
Data collected by observation or a lab
PH Level
measures acid, neutral or base
Acid
less than 7
Neutral
7** a combo of acid/base
Base
greater than 7
Compound
Group(Many)of atoms of more than 1 element
Element
Made up of ONLY 1 atom
Formula
combination of chemical symbols
ion
atoms that carry a charge