Question and answer
The combined number of the protons and the neutrons in an atom is the ________. A. isotopic number. B. chemical number. C. mass number. D. atomic number.
The combined number of the protons and the neutrons in an atom is the: mass number.
Expert answered|andrewpallarca|Points 17081|
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Asked 11/29/2012 10:15:12 AM
Updated 26 days ago|8/23/2014 10:05:47 AM
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This conversation has been confirmed as correct, not copied, and helpful.
Edited by jeifunk [8/23/2014 10:05:46 AM], Confirmed by jeifunk [8/23/2014 10:05:47 AM]
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