Chemistry

6th -

8thgrade

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STAAR Review 8.5C

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11 questions

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  • 1. Multiple Choice
    1 minute
    1 pt
    Within a column the masses of the elements ___________ from top to bottom
    increases
    decreases
    there is no change
    is completely random
  • 2. Multiple Choice
    1 minute
    1 pt
    A ___________ is an arrangement of elements in columns
    columns
    rows
    periodic table
    electron shell
  • 3. Multiple Choice
    1 minute
    1 pt
    In the modern periodic table elements are arranged by:
    atomic mass
    atomic number
    valence electrons
    number of isotopes
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