Biology

9th -

University

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BIO 243 Lab Homework Chapter 2

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18 questions

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  • 1. Multiple Choice
    2 minutes
    1 pt
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    Which subatomic particles are found in the nucleus of the atom?

    Electrons and neutrons

    Protons and electrons

    Electrons and ions

    Protons and neutrons

  • 2. Multiple Choice
    2 minutes
    1 pt
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    The number of protons in an atom is known as the atom's __________.

    atomic weight

    atomic number

    mass number

    nuclear number

  • 3. Multiple Choice
    2 minutes
    1 pt
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    Atoms that are of the same element but contain different numbers of neutrons are called

    isotopes

    cations.

    isomers.

    anions.

    None of these are correct.

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