Chemistry 121 Chapter 3 Part 1

13 Questions | Total Attempts: 228

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Questions and Answers
  • 1. 
    An arrogation of two or more atoms held together by chemical means
    • A. 

      Proton

    • B. 

      Molecule

    • C. 

      Atom

  • 2. 
    All molecules carry a ________ charge
    • A. 

      Neutral

    • B. 

      Positive

    • C. 

      Negative

  • 3. 
    Gives the relative number of atoms of each kind in the molecule is the simplest ratio.
    • A. 

      Molecular Formula

    • B. 

      Mass Number

    • C. 

      Empirical Formula

  • 4. 
    Describes the types of element making up he molecule and also the ratio of the elements.
    • A. 

      Mass Number

    • B. 

      Molecular Formula

    • C. 

      Empirical Formula

  • 5. 
    Write Isoprene = C6H8 as Empirical formulae.
    • A. 

      CH2

    • B. 

      C6H1

    • C. 

      C2H3

  • 6. 
    Write Benzene = C6H6 as Empirical formulae
    • A. 

      CH

    • B. 

      C3H3

    • C. 

      C2H4

  • 7. 
    Write Isoprene = C6H8 as Empirical formulae
    • A. 

      C1H2

    • B. 

      C3H6

    • C. 

      C3H4

  • 8. 
    Write Nitrogen dioxide = NO2 as Empirical formulae.
    • A. 

      N2O2

    • B. 

      N1O2

    • C. 

      NO2

  • 9. 
    What is the compound name for KF?
    • A. 

      Fluoride Potassium

    • B. 

      Potassium Fluoride

    • C. 

      Potassium Flourine

  • 10. 
    What is the compound name for CaO?
    • A. 

      Calcium Oxide

    • B. 

      Calcium Oxygen

    • C. 

      Carbon Oxygen

  • 11. 
    What is the compound name for LiI?
    • A. 

      Lithium Iodine

    • B. 

      Lithium Oxide

    • C. 

      Iodine Oxide

  • 12. 
    For Calcium bromine?
    • A. 

      Ca-1Br3

    • B. 

      CaBr2

    • C. 

      Ca2Br

  • 13. 
    What is the correct formula of Ionic Compounds for Aluminum oxide?
    • A. 

      Al2O3

    • B. 

      AlO2

    • C. 

      Al3O2

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