Year 9 Chemistry Test - Mr. Hung

30 Questions
Periodic Table Quizzes & Trivia

A review test that helps review topics: atomic structures the periodic table chemical reaction formation of Ionic compounds chemical formula acids and bases endothermic and exothermic reactions

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Questions and Answers
  • 1. 
    Jason noticed that the periodic table had coloured sections. The seven elements between the metal and non-metal sections had their own colour. They represent a group called:
    • A. 

      Halogens

    • B. 

      Metalloids

    • C. 

      Intermediates

    • D. 

      Mid-elements

  • 2. 
    Rebecca noticed that Cu, Zn and Ga are in the same horizontal row in the periodic table. She concluded that these three elements belong to the same:
    • A. 

      Family

    • B. 

      Period

    • C. 

      Group

    • D. 

      Section

  • 3. 
    What does the atomic number of an atom represent?  
    • A. 

      Protons or electrons

    • B. 

      Protons or neutrons

    • C. 

      Neutrons or electrons

    • D. 

      Electrons or shells

  • 4. 
    As you move from the left side of the periodic table to the right side the elements become:  
    • A. 

      Less metallic

    • B. 

      Liquid

    • C. 

      More conductive

    • D. 

      Solid in state

  • 5. 
    NaHCO3 indicates one molecule of baking soda and best represents the _____ for baking soda.  
    • A. 

      Chemical name

    • B. 

      Chemical equation

    • C. 

      Chemical formula

    • D. 

      Chemical symbol

  • 6. 
    Vitamin C identified by the chemical formula C6H8O6 (s) has:
    • A. 

      6 carbon atoms, 8 helium atoms, and 6 oxygen atoms

    • B. 

      6 calcium atoms, 8 hydrogen atoms, 6 oxygen atoms

    • C. 

      6 calcium atoms, 8 hydrogen atoms, and 6 osmium atoms

    • D. 

      6 carbon atoms, 8 hydrogen atoms, and 6 oxygen atoms

  • 7. 
    Angelo required an aqueous solution of sodium chloride. He made the solution by dissolving salt in:
    • A. 

      Vinegar

    • B. 

      Air

    • C. 

      Oxygen gas

    • D. 

      Water

  • 8. 
    Molecular compounds can be found in all three states of matter at room temperature. Which molecule compound is a liquid at room temperature?
    • A. 

      Rubbing alcohol

    • B. 

      Sugar

    • C. 

      Carbon dioxide

    • D. 

      Methane

  • 9. 
    What is the key idea of the Bohr Model?
    • A. 

      Explained that there was a nucleus

    • B. 

      Explained that atoms are hard to see with the naked eye

    • C. 

      That an atom was like a raisin bean bun

    • D. 

      There are electrons inside the atom that orbit the nucleus

  • 10. 
    Since atoms are neutral, the number of electrons is equal to the number of:
    • A. 

      Neutrons

    • B. 

      Protons

    • C. 

      Nucleus

    • D. 

      Ions

  • 11. 
    How do you calculate the number of neutrons in an atom?
    • A. 

      The atomic mass plus the number of protons

    • B. 

      The atomic mass subtracted the number of protons

    • C. 

      The atomic mass plus the number of electrons

    • D. 

      The atomic mass subtracted the number of electrons

  • 12. 
    What is the formula for a liquid at room temperature?
    • A. 

      Hg (l)

    • B. 

      NH3 (g)

    • C. 

      NaCl (aq)

    • D. 

      CaCO3 (s)

  • 13. 
    Non-metals like to _____ electrons to become ______ ions.
    • A. 

      Lose, negative

    • B. 

      Lose, positive

    • C. 

      Gain, negative

    • D. 

      Gain, positive

  • 14. 
    Metals like to _____ electrons to become ____ ions.
    • A. 

      Lose, positive

    • B. 

      Lose, negative

    • C. 

      Gain, negative

    • D. 

      Gain, negative

  • 15. 
    What are the 2 different types of ions?
    • A. 

      Polyatomic and compound ions

    • B. 

      Polyatomic and multivalent

    • C. 

      Negative and positive

    • D. 

      Electrons and protons

  • 16. 
    How are ionic compounds formed?
    • A. 

      Formed from two non-metals

    • B. 

      Formed from two metals

    • C. 

      Formed when positive metal ions attract to negative non-metal ions

    • D. 

      Formed when positive non-metals attract to negative metal ions

  • 17. 
    Which type of metals is the most reactive?
    • A. 

      Alkali Metals like Sodium and Potassium

    • B. 

      Transition Metals like Copper, Iron and Gold

    • C. 

      Heavy Metals like Cadmium, Lead and Mercury

    • D. 

      Alkaline-earth Metals like Calcium and Magnesium

  • 18. 
    Which of these properties are shiny and good conductors of heat and electricity?
    • A. 

      Non-metals

    • B. 

      Metals

    • C. 

      Metalloids

    • D. 

      Gases

  • 19. 
    Which of these properties are uncreative, colourless and odourless in room temperature?
    • A. 

      Metalloids

    • B. 

      Halogens

    • C. 

      Noble Gases

    • D. 

      Oxygen

  • 20. 
    The chemical formula for copper (II) sulfate is CuSO4. The total number of atoms in one molecule of copper (II) sulfate is:
    • A. 

      7

    • B. 

      6

    • C. 

      4

    • D. 

      3

  • 21. 
    Which is the common property for both acids and bases?
    • A. 

      Sour taste

    • B. 

      Change red litmus to blue

    • C. 

      Corrosive

    • D. 

      Have a pH less than 3

  • 22. 
    Which is NOT a property of an alkali?
    • A. 

      Slippery

    • B. 

      PH more than 7

    • C. 

      Bitter

    • D. 

      Change blue litmus to red

  • 23. 
    What are the products of a neutralisation reaction?
    • A. 

      Sugar and salt

    • B. 

      Salt and water

    • C. 

      Sugar and water

    • D. 

      Carbon dioxide and water

  • 24. 
    An unknown solution has a pH of 3.6, you can tell it is a ________    _________ solution.
    • A. 

      Weak alkali

    • B. 

      Weak acidic

    • C. 

      Strong acidic

    • D. 

      Strong alkali

  • 25. 
    Which indicator gives us the widest range of pH values for testing solutions?
    • A. 

      Litmus solution

    • B. 

      Iodine solution

    • C. 

      Universal indicator

    • D. 

      Bromothymol blue

  • 26. 
    When an acid reacts with a metal, it will produce _________  gas.
    • A. 

      Carbon dioxide

    • B. 

      Oxygen

    • C. 

      Hydrogen

    • D. 

      Nitrogen

  • 27. 
    What is the name for the missing chemical in the following equation? Calcium carbonate + Hydrochloric acid  ------>   ___________   ____________  + Carbon dioxide  + Water
    • A. 

      Calcium carbonate

    • B. 

      Hydrocarbon

    • C. 

      Calcium chlorine

    • D. 

      Calcium chloride

  • 28. 
    When 2 solution are mixed together, you feel that the container becomes cold, what is happening?
    • A. 

      Heat is given out

    • B. 

      Heat is absorbed

    • C. 

      An exothermic reaction occurs

    • D. 

      Cold enters the container

  • 29. 
    Which of the following is NOT an alkali or a base?
    • A. 

      Limewater

    • B. 

      Vinegar

    • C. 

      Soda water

    • D. 

      Caustic soda

  • 30. 
    Which of the following chemicals has the least amount of hydrogen ions?
    • A. 

      Sulphuric acid

    • B. 

      Potassium hydroxide

    • C. 

      Ammonia

    • D. 

      Water