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OpenStudy (anonymous):
An atom has an atomic number 17 and atomic mass number 35. How many neutrons are present in its nucleus? A. 17 B. 18 C. 35
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OpenStudy (anonymous):
B. 18 because you do the mass-atomic number
OpenStudy (nincompoop):
stop being lazy and learn about ISOTOPES
OpenStudy (ookawaiioo):
^ Give that man a medal
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