Nariah03 Nariah03

11-12-2015
Physics

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An atom of lead has the atomic number 82 and a mass number of 207. How many neutrons does this atom of lead have?

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Davidistheverybest Davidistheverybest

11-12-2015

Subtract 207 from 82 which is the number of protons and electrons. the answer is 125 neutrons

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