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Attività 1 - Compounds e gli elementi

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  • Note di Apprendimento
  • Revisione degli argomenti
    Jefferson M.
    BR
    Jefferson M.

    Elements are mixes of two or more identical atoms where compounds are mixes of two or more different atoms. This concept is for use when we are looking for atoms in the nature. Most of atoms can´t be found alone in nature, they´re found in elements or in compunds form.

    Prince G.
    RU
    Prince G.

    methane is a compound, oxygen is an element, hydrogen is an element, nitrogen dioxide is a compound, water is acompound, ozone is an element.

    Brandon M.
    CA
    Brandon M.

    why isn't it completing?

    Imran Ali D.
    PK
    Imran Ali D.

    H2,O2,O3 ARE ELEMENTS OTHER ARE COMPOUNDS

    Yei D.
    US
    Yei D.

    Module 3 is compounds and element combine together to form another compound. for example oxygen O2 and water H2O

    Ceri N.
    GB
    Ceri N.

    Methane CH4, Nitrogen Dioxide NO2, and Water H2O are compounds. And the rest are elements

    Wahdatullah K.
    AF
    Wahdatullah K.

    Methane is Compound, NO2 is Compound, O2 is element, H2O2 is compound, H2 is element, and O3 is also element.

    Mark L.
    CA
    Mark L.

    Methane is a compound, Nitrogen Dioxide is a compound, Oxygen is an element, Water is a compound, Hydrogen is an element, Ozone is an allotrope of the element Oxygen

    Bejaoui M.
    TN
    Bejaoui M.

    Ch4 compound NO2 compound H2O compound H2 element O3 and O2 element

    Zaria D.
    US
    Zaria D.

    Methane CH4, Nitrogen Dioxide NO2, and Water H2O are compounds. And the rest are elements.

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