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Biology

9th -

10thgrade

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Chemistry of Life 2.1

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7 questions

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  • 1. Multiple Choice
    30 seconds
    1 pt
    What 3 subatomic particles make up atoms?
    Isotopes, protons, covalent bonds
    quarks, quirks, compounds
    protons, neutrons, isotopes
    protons, neutrons, electrons
  • 2. Multiple Choice
    30 seconds
    1 pt
    The isotopes of an element all have the same number of:
    electrons
    neutrons
    protons
  • 3. Multiple Choice
    30 seconds
    1 pt
    A chemical ________ is a pure substance made entirely of 1 type of atom.
    element
    compound
    mixture
    blend
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