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March 26, 2017

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Suppose that a newly discovered element called centium has three isotopes that occur in nature. These are centium-200, centium-203, and centium-209. Assume that these isotopes occur in equal amounts in nature. What will be the average atomic mass of this element?

  • Science/Math - ,

    Atomic mass
    = 200*(1/3)+ 203*(1/3) + 209*(1/3)
    = 204

  • Science/Math - ,

    867

  • Science/Math - ,

    A STONE MEASURED 25KG WAS ACTULLAY 20 KG WHAT WAS THE PERCENT DEVIATION OF THIS MEASURMENT

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