If an atom has a mass of 15 and an atomic number of 9. How many neutrons are in the atoms?

asked Aug 28, 2017 182k views

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4 votes

mass= protons + neutrons
15-9=6
6 neutrons

JerabekJakub answered Aug 29, 2017

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3 votes

number of neutrons = mass number - atomic number
= 15 - 9
= 6

Ryanmt answered Sep 1, 2017

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