Chemistry

8th

grade

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2. Aatomi ehitus, perioodilisustabel

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14 questions

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  • 1. Multiple Choice
    2 minutes
    1 pt

    Elektronide arv aatomis võrdub

    neutronite arvuga

    prootonite arvuga

    prootonite ja neutronite summaga

  • 2. Multiple Choice
    2 minutes
    1 pt

    elektriliselt neutraalsed on

    elektronid

    neutronid

    prootonid

    aatomituum

  • 3. Multiple Choice
    2 minutes
    1 pt

    aatomituum koosneb

    tuumast ja elektronkattest

    prootonitest ja neutronitest

    neutronites ja elektronidest

    elektronidest

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