Chemistry, Fun, Education

1st

grade

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Quimica ingreso

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5 questions

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  • 1. Multiple Choice
    30 seconds
    1 pt

    El Oxigeno tiene :

    16 p+ 16 neutrones y 16 e-

    16p+ 8 e- 8 neutrones

    8 p+ 8 e- 8 neutrones

  • 2. Fill in the Blank
    30 seconds
    1 pt

    Hidrógeno es metal?

  • 3. Multiple Choice
    30 seconds
    1 pt

    El Ca+ tiene:

    20e-

    40 e-

    19e-

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