Test 8 Science

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Author:
cwilson
ID:
134021
Filename:
Test 8 Science
Updated:
2012-02-09 12:34:57
Tags:
Matter Its Uses
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Description:
These are flashcrds for science test 8.
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  1. a chart that arranges all the known elements by their properties
    periodic table
  2. two or more atoms joined together
    molecule
  3. a single type of atom
    element
  4. one or two letters that represent an element’s name
    chemical symbol
  5. Matter has two different kinds of properties
    physical and chemical
  6. 3 states of matter
    solid, liquid and gas
  7. measure of how compact matter is
    density
  8. combination of chemical symbols that make up a molecule
    chemical formula
  9. three parts of an atom and their charges
    • proton- positive
    • electron- negative
    • neutron- neutral
  10. old things are gone, a new sustance is formed
    chemical change
  11. molecules are just rearranged
    physical change

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