Example 7 :
A sphere of lead of mass 10 g has net charge -2.5 * 10° C.
(a) Find the number of excess electrons on the sphere.
(b) How many excess electrons are per lead atom? Atomic number of lead is 82 and its atomic
mass is 207 g/mol.
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Example 7 :
A sphere of lead of mass 10 g has net charge -2.5 * 10° C.
(a) Find the number of excess electrons on the sphere.
(b) How many excess electrons are per lead atom? Atomic number of lead is 82 and its atomic
mass is 207 g/mol.
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