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3 Written questions

3 Multiple choice questions

  1. the smallest component of an element having the chemical properties of the element
  2. the sum of the number of neutrons and protons in an atomic nucleus
  3. a subatomic particle that has a negative charge

3 True/False questions

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


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


  3. atomic massthe average mass of all the isotopes of an element