Elementos e Atomos
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Elementos e Atomos

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  • Nota de Estudos
  • Rever Tópicos
    Ibrahim A.
    NG
    Ibrahim A.

    wow

    Ildiko M.
    RS
    Ildiko M.

    What happens if we change the number of protons in an element, and why can protons and electrons attract each other?

    Dante Reed-Roberts D.
    US
    Dante Reed-Roberts D.

    cool

    Dante Reed-Roberts D.
    US
    Dante Reed-Roberts D.

    what is atom

    JOEL NATHAN N.
    CM
    JOEL NATHAN N.

    What is actually the electrolytic property of graphyte? How is lead used in medicin to stop radioactivity? Actually carbon is know to be the hardest substance known to man in it diamond state,then, why is gold found below carbon in the Electrochemical series of elements and what is the difference between the two in terms of both chemical and physical properties?

    Erivaldo V.
    BR
    Erivaldo V.

    I'm from Brazil, my English is not so good, like the videos have subtitles.

    Sheila O.
    US
    Sheila O.

    Who organized the periodic table???

    Ahsan U.
    PK
    Ahsan U.

    i need slides

    Melissa H.
    US
    Melissa H.

    ...found a great periodic table. Here's the link: http://sciencenotes.org/hd-periodic-table-wallpaper-muted-colors-2015/

    Kartik B.
    IN
    Kartik B.

    yp its understandable

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