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What is the mass number of a carbon isotope that consists of 6 protons 6 electrons and 8 neutrons
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What is the mass number of a carbon isotope that consists of 6 protons 6 electrons and 8 neutrons

User Dagfr
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The mass number is the number of protons added to the number of neutrons in an atom. Its that simple!
If this carbon isotope has 6 neutrons and 6 protons, 6 + 6 = 12. Therefore it has a mass number of 12.
User Catalin Morosan
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