Chemistry

8th -

9thgrade

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Chemistry Unit Review

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  • 1. Multiple Choice
    1 minute
    1 pt
    Water has ten protons. Neon has ten protons. Water is a liquid at room temperature and neon is a gas at room temperature. Which of the following statements below is true?
    gases react to temperature in a different way
    the total number of electrons of water is different than in neon
    the arrangement of the protons and neutrons is different for each substance
    these two elements are found in different periods on the Periodic Table of the Elements
  • 2. Multiple Choice
    30 seconds
    1 pt
    Which of these elements is most likely to have chemical properties similar of those of Calcium?
    Magnesium
    Neon
    Potassium
    Zirconium
  • 3. Multiple Choice
    30 seconds
    1 pt
    Which is an example of a compound?
    Pizza
    Water
    Gold
    Soil
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