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19-01-2017
Chemistry

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An atom contains 4 protons 3 neutrons and 5 electrons what is its total electric charge?

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19-01-2017

We don't take neutrons into account as they are neutral.
Total or Net electric charge = [ 4(+1) + 5 (-1) ] × 1.6×10^-19= -1.6×10^-19C.

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