Science Terms

Card Set Information

Author:
AmyChosewood
ID:
106927
Filename:
Science Terms
Updated:
2011-10-06 13:49:36
Tags:
Science Vocabulary
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Description:
vocabulary words
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  1. -a substance
    -can't be broken down into simpler substances
    element
  2. sample of matter with DEFINITE chemical and physical properties
    pure substance
  3. element that is shiny and conducts heat and electricity
    metal
  4. element that conducts heat and electricity POORLY
    non metal
  5. elements that have properties of BOTH metals and nonmetals
    metalloid
  6. -substance made up of atoms of TWO or MORE different elements

    -joined by chemical bonds
    compound
  7. smallest unit of an element
    atom
  8. subatomic particle with POSITIVE charge found in nucleus
    proton
  9. -subatomic particle with NO CHARGE

    -found in nucleus
    neutron
  10. -subatomic particle that has a NEGATIVE charge
    electron
  11. SUM of the numbers of protons AND neutrons
    mass number
  12. number of protons in the nucleus
    atomic number
  13. atom's central region
    nucleus

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