Chapter 11: Atomic Nature Of Matter

44 Questions | Total Attempts: 923

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Nature Of Matter Quizzes & Trivia

Questions and Answers
  • 1. 
    How many different elements are in a water molecule?
    • A. 

      1

    • B. 

      2

    • C. 

      3

    • D. 

      4

    • E. 

      None

  • 2. 
    Which of the following are electrically neutral?
    • A. 

      Proton

    • B. 

      Neutron

    • C. 

      Electron

    • D. 

      Ion

    • E. 

      None of these

  • 3. 
    There are about as many atoms of air in our lungs at any moment as there are breaths of air in the atmosphere of
    • A. 

      A large auditorium.

    • B. 

      A large city.

    • C. 

      The United States.

    • D. 

      The whole world.

    • E. 

      None of these

  • 4. 
    Atoms heavier than helium were made by
    • A. 

      Photosynthesis.

    • B. 

      Thermonuclear fusion.

    • C. 

      Radiant energy conversion.

    • D. 

      Radioactivity.

    • E. 

      None of these

  • 5. 
    An atomic mass unit (amu) is 1/12 the mass of
    • A. 

      An electron.

    • B. 

      A proton.

    • C. 

      A hydrogen atom.

    • D. 

      A carbon atom.

    • E. 

      A uranium atom.

  • 6. 
    If we doubled the magnifying power of the most powerful optical microscope in the world, we would
    • A. 

      Be able to see individual atoms.

    • B. 

      Be able to photograph individual atoms, even though we couldn't see them

    • C. 

      Still not be able to see or photograph an atom.

  • 7. 
    Which of these atoms has the most mass?
    • A. 

      Hydrogen

    • B. 

      Iron

    • C. 

      Lead

    • D. 

      Uranium

    • E. 

      All have the same mass.

  • 8. 
    Which of these statements is true?
    • A. 

      A molecule is the smallest particle that exists.

    • B. 

      Chemical elements are made up of about 100 distinct molecules.

    • C. 

      Molecules form atoms that in turn determine chemical properties of a substance.

    • D. 

      Molecules are the smallest subdivision of matter that still retains chemical properties of a substance.

    • E. 

      None of these statements is true.

  • 9. 
    Which of the following statements is true?
    • A. 

      An atom is the smallest particle known to exist.

    • B. 

      There are only about 100 different kinds of atoms that combine to form all substances.

    • C. 

      There are thousands of different kinds of atoms that account for a wide variety of substances.

    • D. 

      A large atom can be photographed with the aid of an ordinary microscope.

    • E. 

      None of these statements are true.

  • 10. 
    What makes an element distinct?
    • A. 

      The number of protons

    • B. 

      The number of neutrons

    • C. 

      The number of electrons

    • D. 

      The total mass of all the particles

    • E. 

      None of these

  • 11. 
    Brownian motion has to do with the
    • A. 

      Size of atoms.

    • B. 

      Atomic vibrations.

    • C. 

      First direct measurement of atomic motion.

    • D. 

      Random motions of atoms and molecules.

    • E. 

      Rhythmic movements of atoms in a liquid.

  • 12. 
    Which of the following is not a compound?
    • A. 

      Air

    • B. 

      Ammonia

    • C. 

      Water

    • D. 

      Salt

    • E. 

      All are compounds.

  • 13. 
    Which of the following is not a mixture?
    • A. 

      Granite

    • B. 

      Cake

    • C. 

      Air

    • D. 

      Beach sand

    • E. 

      None. All of the above choices are mixtures.

  • 14. 
    In an electrically neutral atom, the number of protons in the nucleus is balanced by an equal number of
    • A. 

      Neutrons.

    • B. 

      Quarks.

    • C. 

      Orbital electrons.

    • D. 

      All of these

    • E. 

      None of these

  • 15. 
    The smallest particle of those listed below is
    • A. 

      A molecule.

    • B. 

      An atom.

    • C. 

      A proton.

    • D. 

      A neutron.

    • E. 

      A quark.

  • 16. 
    A molecule has
    • A. 

      Mass.

    • B. 

      Structure.

    • C. 

      Energy.

    • D. 

      All of these

    • E. 

      None of these

  • 17. 
    Solid matter is mostly empty space. The reason solids don't fall through one another is because
    • A. 

      Atoms are constantly vibrating, even at absolute zero.

    • B. 

      Of nuclear forces.

    • C. 

      Of gravitational forces.

    • D. 

      Of electrical forces.

    • E. 

      None of these

  • 18. 
    A force that determines the chemical properties of an atom is a(n)
    • A. 

      Friction force.

    • B. 

      Nuclear force.

    • C. 

      Gravitational force.

    • D. 

      Electrical force.

    • E. 

      None of these

  • 19. 
    Which has the greatest number of protons in its nucleus?
    • A. 

      Gold

    • B. 

      Mercury

    • C. 

      Lead

    • D. 

      Silver

  • 20. 
    The air in this room has
    • A. 

      Mass

    • B. 

      Weight

    • C. 

      Energy

    • D. 

      All of these

    • E. 

      None of these

  • 21. 
    Compared to the energy it takes to separate oxygen and hydrogen from water, the amount of energy given off when they recombine is
    • A. 

      Slightly more.

    • B. 

      Slightly less.

    • C. 

      Much more.

    • D. 

      Much less.

    • E. 

      The same.

  • 22. 
    When carbon and oxygen atoms combine, energy is
    • A. 

      Taken in by the reaction.

    • B. 

      Given off by the reaction.

    • C. 

      Not involved.

  • 23. 
    If an astronaut landed on a planet made of antimatter, there would be an explosion and
    • A. 

      The planet would annihilate.

    • B. 

      An amount of planet matter equal to that of the astronaut would annihilate.

    • C. 

      The astronaut would annihilate.

    • D. 

      The astronaut and an equal amount of the planet would both annihilate.

  • 24. 
    In our part of the universe, antimatter is
    • A. 

      Non-existent.

    • B. 

      Plentiful.

    • C. 

      Short-lived.

    • D. 

      Long-lived.

  • 25. 
    Assuming all the atoms exhaled by Julius Caesar in his last dying breath are still in the atmosphere, then we probably breathe one of those atoms with each
    • A. 

      Single breath.

    • B. 

      Day.

    • C. 

      Month.

    • D. 

      Ten years.

    • E. 

      It depends – some people still breathe a few of Caesar's atoms every day, while others wouldn't breathe one for an entire year.

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