How many electrons must be added to make the ball neutral

Reference no: EM13283959

A) Nitrogen has 7 protons and 7 neutrons in its nucleus, how many electrons are needed to make nitrogen a neutral atom?

B) If a ball has a net positive charge of 57 ?C, how many electrons must be added to make the ball neutral? Express answer in scientific notation!

Reference no: EM13283959

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