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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?
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OpenStudy (bioepic):
Atomic # = # protons There fore, the # protons = 17. The mass number is the number of protons plus the number of neutrons. Therefore, Atomic mass # - Atomic # = 3 neutrons.
OpenStudy (anonymous):
thank you!
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