Science

8th

grade

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Periodic Table

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15 questions

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  • 1. Multiple Choice
    45 seconds
    1 pt

    atomic number

    gas at room temperature, low boiling point

    a subatomic particle that has a negative charge

    number or protons and neutrons

    the number of protons in the nucleus of an atom

  • 2. Multiple Choice
    45 seconds
    1 pt

    period

    Elements that occur in vertical columns on the periodic table.

    A horizontal row of elements in the periodic table

    Found in group two of the periodic table; highly reactive

    A subatomic particle that has a negative charge

  • 3. Multiple Choice
    45 seconds
    1 pt

    found in group one of the periodic table; highly reactive

    Non-metals

    Transition Metals (Groups 3-12)

    alkali metals (group 1)

    metalloids (semimetals)

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