Benchmark Two Review

24 Questions | Total Attempts: 157

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Benchmark Two Review

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Questions and Answers
  • 1. 
    Which of the following is not a mixture?
    • A. 

      Air

    • B. 

      Soil

    • C. 

      Water

    • D. 

      Grape juice

  • 2. 
    What happens when sugar dissolves in water?
    • A. 

      The sugar and water form a new compound

    • B. 

      The sugar becomes a gas and floats in the water

    • C. 

      The sugar particles spread out between the water particles

    • D. 

      Some of the water sublimates to make room for the water particles

  • 3. 
    Which of the following is not a physical property?
    • A. 

      Density

    • B. 

      Reactivity

    • C. 

      Boiling point

    • D. 

      Color

  • 4. 
    Which of the following is a chemical property
    • A. 

      Melting ice in a glass of water

    • B. 

      Dissolving sulfur in water

    • C. 

      Mixing vinegar and baking soda to get bubbles and heat

    • D. 

      Mixing water in koolaide to make a red liquid

  • 5. 
    In which state of matter are the particles closest together
    • A. 

      Solid

    • B. 

      Liquid

    • C. 

      Gas

    • D. 

      Plasma

  • 6. 
    In the graph above, what does the  straight lines mean?
    • A. 

      The substance is not moving (absolute zero)

    • B. 

      The substance is experiencing a phase change (changing states of matter)

    • C. 

      The substance is losing heat to outside sources

    • D. 

      The substance is changing temperature due to convection currents

  • 7. 
    At which point on the graph is the substance boiling?
    • A. 

      Point A

    • B. 

      Point B to C

    • C. 

      Point B

    • D. 

      Point D to E

  • 8. 
    What subatomic particle compose the nucleus of an atom?
    • A. 

      Electrons & neutrons

    • B. 

      Protons & electrons

    • C. 

      Protons & neutrons

    • D. 

      Protons & ions

  • 9. 
    What part of the atom determines what element it is?
    • A. 

      Protons

    • B. 

      Neutrons

    • C. 

      Electrons

    • D. 

      Nucleus

  • 10. 
    What is the atomic number of an atom that has 9 protons, 10 neutrons & 9 electrons?
    • A. 

      18

    • B. 

      19

    • C. 

      9

    • D. 

      28

  • 11. 
    The atomic number of Carbon is 6, how many neutrons are in a carbon-14 nucleus?
    • A. 

      6

    • B. 

      10

    • C. 

      8

    • D. 

      14

  • 12. 
    Which of the statements are true about the following elements shown on the periodic table.Li   Na   K
    • A. 

      These elements are non-metals

    • B. 

      These elements all have 2 valence electrons

    • C. 

      These elements have similar chemical properties

    • D. 

      These elements all form anions

  • 13. 
    Which of the following is NOT true of the elements in group 18 of the periodic table
    • A. 

      They have 8 valence electrons (except He)

    • B. 

      They are non-reactive

    • C. 

      They are noble gases

    • D. 

      They are non-metals

    • E. 

      They have the same number of protons

  • 14. 
    How many electrons are in a K+2 ion?
    • A. 

      21

    • B. 

      19

    • C. 

      17

    • D. 

      39

  • 15. 
    How does group 16 elements form ions?
    • A. 

      By losing 1 electron

    • B. 

      By losing 2 electrons

    • C. 

      By gaining 1 electron

    • D. 

      By gaining 2 electrons

  • 16. 
    Where on the periodic table do you find elements that are gases at room temperature?
    • A. 

      Along the bottom

    • B. 

      On the right side

    • C. 

      In the center

    • D. 

      In the bottom left corner

  • 17. 
    Why do elements in the same group have similar properties?
    • A. 

      They have the same number of energy levels

    • B. 

      They are approximately the same size

    • C. 

      They are approximately the same mass

    • D. 

      They have the same number of valence electrons

  • 18. 
    How many valence electrons does Magnesium (Mg) have?
  • 19. 
    How many energy levels does Iodine (I) have?
  • 20. 
    How many neutons does Zirconium (Zr) have?
  • 21. 
    How many protons does S -2 have?
  • 22. 
    As you go across the periodic table the mass of the element __________
    • A. 

      Decreases

    • B. 

      Varies

    • C. 

      Increases

    • D. 

      Gets more reactive

  • 23. 
    As you go down the periodic table the elements ________________
    • A. 

      Get smaller

    • B. 

      Become less reactive

    • C. 

      Become gases

    • D. 

      Get more reactive

  • 24. 
    The elements in group 17 are called the __________________
    • A. 

      Noble gases

    • B. 

      Transition metals

    • C. 

      Halogens

    • D. 

      Alkali-earth metals