Rollinghero Rollinghero

25-10-2016
Physics

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How do you know how many protons, neutrons, and electrons are in an element?

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brennen2212 brennen2212

25-10-2016

....Get a periodic table of elements. ...Find your element on the periodic table. ...Locate the element's atomic number. ...Determine the number of electrons. ...Look for the atomic mass of the element. ...Subtract the atomic number from the atomic mass.

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