Year 11 Chemistry Quiz 1

9 Questions | Total Attempts: 7105

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Year 11 Chemistry Quiz 1

Isotopes, Lewis diagrams, naming compounds, balancing equations


Questions and Answers
  • 1. 
    How many neutrons are in potassium-40?
    • A. 

      19

    • B. 

      40

    • C. 

      21

    • D. 

      27

  • 2. 
    What is the electron configuration for Sulphur?
    • A. 

      (2, 8, 7)

    • B. 

      (2, 6, 5)

    • C. 

      (2, 8, 6)

    • D. 

      (2, 6, 8)

  • 3. 
    What are the coefficients for the following equation when it is balanced? ___SiO2 + ___HF  -->   ___SiF4  +  ___H2O
    • A. 

      2, 3, 2, 2

    • B. 

      1, 4, 1, 2

    • C. 

      2, 4, 1, 3

    • D. 

      1, 3, 2, 3

  • 4. 
    How is a mixture different from a compound?
    • A. 

      Particles of a mixture are combined chemically

    • B. 

      Components of a mixture can be separated by physical means

    • C. 

      Components of a mixture can only be seperated chemically

    • D. 

      Composition of a mixture may be constant

  • 5. 
    If a certain mixture is homogeneous, you would properly conclude that the physical properties and the composition are:
    • A. 

      Vary smoothly from top to bottom of the sample

    • B. 

      Are different from one part of the sample to another

    • C. 

      Are the same in every small volume element of the sample

    • D. 

      None of these

  • 6. 
    What is the most correct Lewis Diagram for Helium?
    • A. 
    • B. 
    • C. 
    • D. 
  • 7. 
    Name this compound: Hint: this is reaction between a non-metal and a non-metal
    • A. 

      Nitrogen oxide

    • B. 

      Dinitrogen tetroxide

    • C. 

      Tetraoxygen dinitride

    • D. 

      Oxygen nitride

  • 8. 
    What is the name for the compound CuOH?
    • A. 

      Copper hydroxide

    • B. 

      Copper(I) hydrogen oxide

    • C. 

      Copper(I) hydroxide

    • D. 

      Copper hydrogen oxide

  • 9. 
    Balance the following: ___BF3 +  ___Li2SO3  +  ___B2(SO3)3 + ___LiF What will the coefficients be for the balanced reaction?
    • A. 

      2, 4, 1, 5

    • B. 

      1, 2, 1, 3

    • C. 

      2, 3, 1, 6

    • D. 

      1, 3, 2, 6

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