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08-01-2018
Physics

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Carbon-13 is an isotope. It has 6 protons and _____.

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cirignanoz cirignanoz

08-01-2018

and seven neutrons. i hope this helps

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08-01-2018

Carbon-13 has an atomic mass of 13.
Atomic mass is the sum of protons and neutrons.
There are 6 protons, so there are 13 - 6 = 7 neutrons.

Answer is 7 neutrons (and 6 electrons)

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