Ions a and b are separated by 12 e -10m ion a has a charge, Ask an Expert

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Ions A and B are separated by 12 E -10m. Ion A has a charge of -2e. The electrostatic force between the two ions has a magnitude of 1.598 E -9 N. Ion B is positively charged. How many electrons are "missing" from it? (Pick the closest answer using rounded off values for k and e.)

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