Chemistry

9th -

11thgrade

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Chemistry Term 1 Pre-Test

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18 questions

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  • 1. Multiple Choice
    3 minutes
    1 pt

    An atomic particle has a net charge of zero and is found in the nucleus. Which of the following particles is it?

    Proton

    Electron

    Neutron

    Positron

  • 2. Multiple Choice
    3 minutes
    1 pt

    What is the mass number of an element numerically equal to?

    The atomic mass of a neutral atom of the element

    The number of neutrons in a neutral atom of the element

    The number of protons plus neutrons in a neutral atom of the element

    The number of electrons in a neutral atom of the element

  • 3. Multiple Choice
    3 minutes
    1 pt

    An atom of element X contains 16 protons and 18 neutrons. What would the mass number of an atom approximately half as heavy as an atom of X be?

    16

    17

    18

    34

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