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A common isotope of carbon has a mass number of 13. The total number of protons and neutrons in the nucleus is - A. 19. B. 13. C. 12. D. 6.
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The mass number, often represented by the symbol A, is the total number of neutrons and protons in the nucleus of an atom.
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User: A common isotope of carbon has a mass number of 13. The total number of protons and neutrons in the nucleus is - A. 19. B. 13. C. 12. D. 6.

Weegy: The mass number, often represented by the symbol A, is the total number of neutrons and protons in the nucleus of an atom.
Auto answered|Score .9737|ghelee|Points 194|

All Categories|No Subcategories|Auto answered|7/11/2012 11:58:28 AM
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