NAME: ________________________

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3 Written Questions

3 Multiple Choice Questions

  1. a region around the nucleus of an atom where electrons are likely to be found
  2. the sum of the number of neutrons and protons in an atomic nucleus
  3. center of an atom made up of protons and neutrons

3 True/False Questions

  1. atomic mass unita unit of mass that describes the mass of an atom or molecule

          

  2. electrona subatomic particle that has a positive charge and that is found in the nucleus of an atom

          

  3. atomthe smallest component of an element having the chemical properties of the element

          

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