a sphere of copper of mass 20g has net charge +4.8×10^-9C. (a) find the no. of excess electrons on the sphere. (b) find the no. of short electrons on the sphere. (c) how many electrons are short per copper atom ?if atomic no. of copper is 29 and atomic mass is 63g/mole.
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a sphere of copper of mass 20g has net charge +4.8×10^-9C. (a) find the no. of excess electrons on the sphere. (b) find the no. of short electrons on the sphere. (c) how many electrons are short per copper atom ?if atomic no. of copper is 29 and atomic mass is 63g/mole.
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