gabepelusooyfxzs gabepelusooyfxzs

26-10-2017
Chemistry

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If an atom’s mass number is 210 and its atomic number is 85, how many neutrons does it have?

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dangerousmattoycs4v dangerousmattoycs4v

26-10-2017

Mass number is the total number of Protons and Neutrons. Simply subtract 85 from 210. 210-85=125 neutrons

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Limotoocoolforyou Limotoocoolforyou

03-11-2020

Answer:

the answer is 125, i got this right

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