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12 December, 20:03

What's the mass number for carbon 12

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  1. 12 December, 20:47
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    Carbon-14 has a mass number of 14, and Carbon-12 has a mass number of 12. Every carbon atom must have six protons, so Carbon-14 has eight neutrons and Carbon-12 has six neutrons. Elements with the same atomic number but different atomic masses are isotopes.
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