A gold nucleus emanates an electric field, holding all its electrons in place. How strong is the electric field experienced by a single electron from its outermost orbital, located at 136 pm? How fast is it moving on its circular orbit, assuming it has a hypothetical plane orbit? How much kinetic energy is gained by the electron?

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Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.