Copy Of Quiz 1 Chemistry 10 D

10 Questions | Total Attempts: 32

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Copy Of Quiz 1 Chemistry 10 D - Quiz

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Questions and Answers
  • 1. 
    1. An aluminum isotope consists of 13 protons, 13 electrons, and 14 neutrons. Its mass number is
    • A. 

      14

    • B. 

      13

    • C. 

      27

    • D. 

      40

  • 2. 
    2. An atom is electrically neutral because
    • A. 

      Nuclear forces stabilize the charges.

    • B. 

      Neutrons balance the protons and electrons

    • C. 

      The numbers of protons and electrons are equal.

    • D. 

      The numbers of protons and neutrons are equal

  • 3. 
    3. Which part of an atom has a mass approximately equal to 1/2000 of the mass of a common hydrogen atom?
    • A. 

      Protons 

    • B. 

      Electrons 

    • C. 

      Neutrons 

    • D. 

      Both protons and neutrons 

  • 4. 
    4. After measuring the ratio of the charge of a cathode-ray particle to its mass, Thomson concluded that the particles
    • A. 

      Had a very small mass

    • B. 

      Had no mass.

    • C. 

      Carried a positive charge.

    • D. 

      Had a very large mass.

  • 5. 
    5. Experiments with cathode rays led to the discovery of the
    • A. 

      Electrons with high mass 

    • B. 

      Electrons with low mass 

    • C. 

      Negatively charge particles 

    • D. 

      Both b and c 

  • 6. 
    6. In a glass tube attached to a voltage source, electrical current passes from the negative electrode, called the ____, to the other electrode
    • A. 

      Anode 

    • B. 

      Cathode 

    • C. 

      Electron 

    • D. 

      Protons 

  • 7. 
    7. In Rutherford's experiments, alpha particles
    • A. 

      Were used to bombard a cathode plate

    • B. 

      Passed through a tube containing gas.

    • C. 

      Collided with electrons.

    • D. 

      Were used to bombard thin metal foil

  • 8. 
    8. Thomson performed the plum pudding model, which is right about it 
    • A. 

      Its not actually correct model about the atom 

    • B. 

      Atom looks like watermelon 

    • C. 

      Charges are like seeds 

    • D. 

      All the above 

  • 9. 
    9. a charge responsible for the atom's mass 
    • A. 

      Neutrons 

    • B. 

      Electrons 

    • C. 

      Protons 

    • D. 

      None of the above 

  • 10. 
    10. carbon atom has 6 electrons, and it's mass number is 13, so the number of neutrons is
    • A. 

      8 neutrons 

    • B. 

      6 neutrons 

    • C. 

      7 neutrons 

    • D. 

      9 neutrons 

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