Science, Chemistry

9th -

10thgrade

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Atoms and Molecules

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20 questions

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  • 1. Multiple Choice
    20 seconds
    1 pt

    Which of the following statements is not true about an atom?

    Atoms are always neutral in nature

    Atoms are not able to exist independently

    Atoms are the basic units from which molecules and ions are formed

    Atoms aggregate in large numbers to form the matter that we can see, feel or touch

  • 2. Multiple Choice
    10 seconds
    1 pt

    The chemical symbol for nitrogen gas is

    ni

    N2

    N

    NI

  • 3. Multiple Choice
    30 seconds
    1 pt

    The chemical symbol for sodium is

    so

    SO

    Na

    NA

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