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Atomic Structure Quiz

18 Questions
Atomic Structure Quizzes & Trivia

Quiz on the beginning of the atom unit.

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Questions and Answers
  • 1. 
    A neutron carries a positive charge.
    • A. 

      True

    • B. 

      False

  • 2. 
    How many atoms of nitrogen are in the formula NH4OH?
  • 3. 
    How many atoms of oxygen are in Sn(SO4)2?
  • 4. 
    Identify the atomic number of the element of Xenon.
  • 5. 
    The atomic number of an atom is determined by the number of
  • 6. 
    A proton has a charge that is equal in force but opposite in charge to each electron.
    • A. 

      True

    • B. 

      False

  • 7. 
    Protons and electrons are about equal in mass.
    • A. 

      True

    • B. 

      False

  • 8. 
    The mass of an atom depends on the number of protons and neutrons in its nucleus.
    • A. 

      True

    • B. 

      False

  • 9. 
    How do you determine the mass number of an atom? 
    • A. 

      It is equal to the number of protons

    • B. 

      It is equal to the number of protons plus the number of electrons

    • C. 

      It is equal to the number of protons plus the number of neutrons

    • D. 

      It is equal to the number of electrons plus the number of neutrons

    • E. 

      It is equal to the number of protons minus the number of neutrons

  • 10. 
    Atoms of the same element with different numbers of neutrons are called__________.
    • A. 

      Isotopes

    • B. 

      Ions

    • C. 

      Atoms

    • D. 

      Either isotopes or ions

    • E. 

      None of these are correct

  • 11. 
    In the name carbon-14, the 14 is the _________________.
    • A. 

      Mass number

    • B. 

      Atomic number

    • C. 

      Oxidation number

    • D. 

      Number of electrons

    • E. 

      Number of neutrons

  • 12. 
    An atom that has a different number of electrons and protons is called a(n) _________________.
  • 13. 
    Electrons have a ____________ charge.
  • 14. 
    Neutrons have a ____________ charge.
  • 15. 
    How many protons are in tin-100?
  • 16. 
    How many neutron are in tin-100?
  • 17. 
    Is tin-100 an isotope?
  • 18. 
    What is the charge on an atom with 10 protons and 8 electrons?