Chemistry

10th

grade

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nemetale si metale cls a 8a

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25 questions

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  • Multiple Choice
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    45 seconds
    1 pt

    Simbolul chimic al carbonului este

    Ca

    Cb

    C

    Cu

  • Multiple Choice
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    1 minute
    1 pt

    In natura carbonul se gaseste sub forma de

    diamant

    grafit

    grafen

    fulerene

  • Multiple Choice
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    45 seconds
    1 pt

    Fenomenul prin care grafitul lasa urme pe hartie se numeste:

    scriere

    desenare

    clivaj

    creionare

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