Chemistry

7th

grade

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Wzory chemiczne

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10 questions

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  • 1. Multiple Choice
    5 minutes
    1 pt

    Na2O to wzór:

    tlenku potasu

    tlenku azotu

    tlenku sodu

    tlenku sodu (II)

  • 2. Multiple Choice
    5 minutes
    1 pt

    Wzór tlenku wapnia to:

    Ca2O

    CaO

    Ca2O2

    CaO2

  • 3. Multiple Choice
    5 minutes
    1 pt

    Tlenek glinu ma wzór

    AlO3

    Al2O3

    Al3O2

    AlO

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