Asked by  | 2nd Jul, 2013, 11:27: AM

Expert Answer:

We cannot determine the number of positive charges (protons) and negative charges (electrons) in it unless we are given information about the chemical composition (in terms of elements) of the cup as well as it mass.

However, the positive charge will be equal to the negative charge in the given system.

Answered by  | 3rd Jul, 2013, 06:29: AM

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