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Unit 2: Revision Activity

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    Changes in Matter
  •   Study   Slideshow
  • Which state of matter has its own shape and volume?
    Solid
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  • What element does the symbol K represent?
    potassium
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  • What state of matter has particles that have little spaces between them that allows it to flow?
    Liquid
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  • What substance has no definite shape and no definite volume?
    Gas
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  • This is formed when two elements are chemically combined.
    Compound
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  • Physical combination of two or more substances
    Mixture
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  • How to measure the volume of a liquid?
    Look at the meniscus with your eye in line
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  • The process of changing from solid to liquid due to an increase in temperature.
    Melting
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  • The temperature at which substances freeze?
    Freezing point
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  • The temperature at which substances melt?
    Melting Point
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  • The change of water to water vapor
    Evaporation
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  • The horizontal arrangement of elements in the periodic table is called
    Periods
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  • The vertical arrangement of elements in columns are
    Groups
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  • What element is represented by the symbol Ar?
    Argon
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  • What element is represented by the symbol O?
    Oxygen
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  • What element is represented by the symbol H?
    hydrogen
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