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Posted by on Thursday, April 7, 2011 at 12:49am.

an oil drop has a charge of 8.0 x 10^-19 C. How many excess electrons does the oil drop have?

  • physics - , Thursday, April 7, 2011 at 2:39am

    Divide that excess charge by the electron charge, e.

    The answer should be 5 (electrons)

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