Atoms, Molecules, Elements, Compounds Quiz Questions

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Atoms, Molecules, Elements, Compounds Quiz Questions - Quiz

The atom is the smallest particle of an element. The atoms make up molecules, which in turn makeup elements. In the chemistry classes this week we discussed all the three and a test on this is moving closer. Use the quiz to polish up what you know so far. All the best!


Questions and Answers
  • 1. 

    Which drawing represents a correct Bohr's Model?

    • A.

      A

    • B.

      B

    • C.

      C

    Correct Answer
    C. C
    Explanation
    Drawing A is not correct as it shows the electrons in the nucleus and the protons in the electron shell.
    Drawing B is not correct as it shows the electrons in the nucleus and the neutrons in the electron shell.
    Drawing C is correct.

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  • 2. 

    How many neutrons are in tin?

    Correct Answer
    69
    Explanation
    Find the difference between the atomic number and the atomic mass to get the number of neutrons.

    119 - 50 = 69

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  • 3. 

    How many electrons are in tin?

    Correct Answer
    50
    Explanation
    The number of electrons is the same as the atomic number.

    Rate this question:

  • 4. 

    What is the atomic number for tin?

    Correct Answer
    50
    Explanation
    The smallest number in the element box is the atomic number.

    Rate this question:

  • 5. 

    How many protons are in tin?

    Correct Answer
    50
    Explanation
    The number of protons is the same as the atomic number.

    Rate this question:

  • 6. 

    What is the atomic mass for tin?

    Correct Answer
    119
    Explanation
    The atomic mass is the larger number in the element box.

    Rate this question:

  • 7. 

    Which class of elements is to the left of the zig-zag line on the periodic table of elements?

    • A.

      Metals

    • B.

      Non-metals

    • C.

      Metalloids

    Correct Answer
    A. Metals
    Explanation
    To help answer this question, find the zig-zag line on the periodic table of elements. Look for metals you are familiar with on the table. You should find iron, gold, silver and many others on the left side of the zig-zag line. This is your clue that this is the area that has the metals.

    Non-metals are to the right of the zig-zag line.

    Metalloids are found along the zig-zag line.

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  • 8. 

    Draw a Bohr Model for the element boron (B).  (Do not type anything into the answer box.  Draw this on your own paper and check it against the answer after you press "Next".)

  • 9. 

    How many electrons are in fluorine?

    Correct Answer
    9
    Explanation
    The number of electrons is the same as the atomic number.

    Rate this question:

  • 10. 

    How many neutrons are in fluorine?

    Correct Answer
    10
    Explanation
    Find the difference between the atomic number and the atomic mass to get the number of neutrons.

    19 - 9 = 10

    Rate this question:

  • 11. 

    What is the atomic number for fluorine?

    Correct Answer
    9
    Explanation
    The smallest number in the element box is the atomic number.

    Rate this question:

  • 12. 

    How many protons are in fluorine?

    Correct Answer
    9
    Explanation
    The number of protons is the same as the atomic number.

    Rate this question:

  • 13. 

    What is the atomic mass for fluorine?

    Correct Answer
    19
    Explanation
    The atomic mass is the larger number in the element box.

    Rate this question:

  • 14. 

    Which class of element is sulfer (S)?

    • A.

      Metal

    • B.

      Non-metal

    • C.

      Metalloid

    Correct Answer
    B. Non-metal
    Explanation
    To help answer this question, find the zig-zag line on the periodic table of elements. Look for metals you are familiar with on the table. You should find iron, gold, silver and many others on the left side of the zig-zag line. This is your clue that this is the area that has the metals.

    Non-metals are to the right of the zig-zag line. Since sulfer is in this area, it is a non-metal.

    Metalloids are found along the zig-zag line.

    Rate this question:

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  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Jul 09, 2015
    Quiz Created by
    ChoiceAdvancemen
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