chemistry

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I have my exam in a little over 7 hours...can anyone help explain how to draw atoms in the Bohr Rutherford and Lewis Dot methods, as well as how to draw them as compounds and ions? My friends are no help, nor is the internet. Please!

  • chemistry -

    please explain clearly. I just didn't understand the question.

  • chemistry -

    For the first two models, see
    http://en.wikipedia.org/wiki/Bohr_model
    it contains a link about the Rutherford model.

    For the Lewis structure, see
    http://en.wikipedia.org/wiki/Lewis_structure

  • chemistry -

    what is the mass in grams of 2.50x10 to the power of 24 molecules for each of the following compounds using the dimensional analysis

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