Atoms And Elements

15 Questions | Total Attempts: 121

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Atoms And Elements

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Questions and Answers
  • 1. 
    The smallest particle of an element is …
    • A. 

      An atom

    • B. 

      A proton

    • C. 

      An ion

    • D. 

      An isotope

  • 2. 
    A neutral atom that has 8 protons will have how many electrons?
    • A. 

      4

    • B. 

      8

    • C. 

      16

    • D. 

      Can't tell

  • 3. 
    If you know that an atom has 14 neutrons, you can tell what element it is part of.
    • A. 

      True

    • B. 

      False

  • 4. 
    An atom has an atomic number of 6. How many protons does it have?
    • A. 

      6

    • B. 

      12

    • C. 

      16

    • D. 

      Can't tell

  • 5. 
    An atom with an atomic number of 8, is most likely to have an atomic mass number of what?
    • A. 

      8

    • B. 

      16

    • C. 

      24

    • D. 

      92

  • 6. 
    If an atom has 8 protons, what is the name of the element?
    • A. 

      Carbon

    • B. 

      Hydrogen

    • C. 

      Nitrogen

    • D. 

      Oxygen

  • 7. 
    Fluorine has 9 electrons. How many are in its second energy level?
    • A. 

      2

    • B. 

      7

    • C. 

      9

    • D. 

      0

  • 8. 
    If an atom has 2 electrons, how many protons will it have?
    • A. 

      2

    • B. 

      4

    • C. 

      8

    • D. 

      0

  • 9. 
    Sodium has an atomic number of 11 and a mass number of 23. How many neutrons does it have?
    • A. 

      11

    • B. 

      23

    • C. 

      12

    • D. 

      Can't tell

  • 10. 
    An element is made of …
    • A. 

      One kind of atom

    • B. 

      Two kinds of atoms

    • C. 

      Many kinds of atoms

    • D. 

      Neutrons only

  • 11. 
    Atoms are made mostly of …
    • A. 

      Protons

    • B. 

      Neutrons

    • C. 

      Electrons

    • D. 

      Empty space

  • 12. 
    The nucleus of an atom contains …
    • A. 

      Electrons

    • B. 

      Protons and neutrons

    • C. 

      Protons and electrons

    • D. 

      Only neutrons

  • 13. 
    A cathode ray tube is composed of a vacuum tube along with …
    • A. 

      A cathode and anode

    • B. 

      Two cathodes

    • C. 

      Protons and neutrons

    • D. 

      Alpha particles

  • 14. 
    How many protons does a neon atom have?
    • A. 

      2

    • B. 

      8

    • C. 

      9

    • D. 

      10

  • 15. 
    What is the only element that has no neutrons?
    • A. 

      Hydrogen

    • B. 

      Oxygen

    • C. 

      Nitrogen

    • D. 

      Uranium