Chemistry

9th -

12thgrade

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Unit 2 - Atoms and Periodic Table Review

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25 questions

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  • 1. Multiple Choice
    30 seconds
    1 pt
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    The diagram below is the Bohr model of an atom.


    Which best describes this atom?

    It has 6 electrons.

    It has a positive charge.

    It has 6 valence electrons.

    It has a full outermost energy level.

  • 2. Multiple Choice
    30 seconds
    1 pt

    The tiny, negatively charged particles are

    nucleus

    protons

    electrons

    neutrons

  • 3. Multiple Choice
    30 seconds
    1 pt

    The attraction of a rubbed comb for paper gives evidence that

    matter is electrical in nature

    matter is magnetic

    matter contains electrons

    matter is electrically neutral

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