NAME: ________________________

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of 9 available terms

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3 Written Questions

3 Multiple Choice Questions

  1. a unit of mass that describes the mass of an atom or molecule
  2. center of an atom made up of protons and neutrons
  3. a subatomic particle that has a negative charge

3 True/False Questions

  1. isotopeone of two or more atoms with the same atomic number but with different numbers of neutrons

          

  2. electron clouda region around the nucleus of an atom where electrons are likely to be found

          

  3. protonone of two or more atoms with the same atomic number but with different numbers of neutrons

          

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