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Chemistry 2 Review

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  • Which section (color) of the periodic table shows where nonmetals are located?
    Right side (yellow)
  • Which section (color) of the periodic table shows where metals are located?
    Left side (blue)
  • What tool is used to measure mass?
    Triple Beam Balance
  • Why is using only appearance to identify minerals unreliable?
    Many minerals come in different colors and the appearance of the color can be subjective.
  • What are the properties of metalloids?
    It has properties of both metals and nonmetals. It is also a semi-conductor.
  • A substance that can be drawn into wires is ___________.
    Ductile
  • If you add salt to water, what is going to happen to the density of the water?
    The density of the water will increase.
  • Which test shows a minerals ability to be scratched?
    Hardness Test
  • A substance that can be hammered into sheets and bent into other shapes without breaking is _____________.
    Malleable
  • Which objects would the mineral Apatite be able to scratch?
    Fingernail, copper penny, and iron nail
  • Given the hardness chart, what is the possible hardness of a mineral if it scratches your fingernail but not a copper penny?
    3
  • You found a mineral with a mass of 45.7 g and a volume of 18 cm3. What is the mineral’s density?
    2.54 g/cm3 (rounded to the hundredths place)
  • How do you calculate the volume of a cube/rectangular prism?
    length x width x height
  • Which test shows the powder that is left behind when a mineral is scraped?
    Streak Test
  • What are the properties of nonmetals?
    Dull, Brittle, Insulator
  • List at least 3 characteristics of metals (using our unit vocabulary words).
    Luster, Malleable, Conductor, Ductile
  • Antonio found a brick on the road and wanted to find its density. It had a mass of 2,000 grams. Its sides measured 10 x 5 x 15 cm. What is the brick’s density?
    2.67 g/cm3
  • What is the density of water?
    1 g/mL
  • Bonquisha found a mineral that had a volume of 12 cubic centimeters and a mass of 31.8g. Which mineral did she find?
    Quartz (2.65 g/cm3)
  • A student needs to find the volume of a marble. She places the marble in graduated cylinder filled with 25 mL of water. The water rises to 28.4 mL. What is the volume of the marble?
    3.4 mL
  • What is the volume of the green jade sample?
    10.5
  • How do you find the volume of an irregular shaped object?
    You use a graduated cylinder to find the displacement of the object.
  • Oil sits on top of water, so which one is more dense?
    Water
  • Which section (color) of the periodic table shows where metalloids are located?
    Staircase (pink/red)
  • What is the name of the scale that ranks minerals from softest to hardest?
    Moh's Hardness Scale
  • If a material's surface can reflect light, then it has ________.
    Luster