LaaQuell LaaQuell

10-12-2016
Chemistry

contestada

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

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Mcawesom Mcawesom

10-12-2016

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

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Аноним Аноним

10-12-2016

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

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