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Matter Unit Review

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    To review for 8th Grade Science Matter Test
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  • Element, compound or mixture?
    element
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  • Element, compound or mixture?
    compound
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  • Element, compound or mixture?
    mixture
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  • These rows are called what?
    periods
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  • What do elements in the same period have in common?
    the same number of orbitals
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  • These columns are called what?
    groups
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  • What are 4 properties of metals?
    Ductile, Malleable, Good Conductor, Luster (shiny).
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  • What group on the periodic table is the most reactive?
    Alkali Metals
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  • In a chemical reaction, if there are 6 carbon atoms on one side of a chemical equation, how many are on the other side of the chemical equation.
    6
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  • What is an example of a pure substance?
    any element or compound
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  • Name 3 evidences of a chemical change.
    formation of light, gas, heat, color change, odor precipitate,
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  • What is an example of a heterogeneous mixture?
    pizza, salad, trail mix
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  • What are the 2 parts of a chemical reaction?
    Reactants and Products
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  • Tearing paper is an example of what kind of change?
    Physical Change
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  • Cooking a cheeseburger is an example of what kind of change?
    Chemical
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  • When a property of a substance changes but not it’s identity, it’s called a ______________________
    Physical Change
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