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April 20, 2014

Homework Help: chemistry

Posted by jesse on Sunday, August 26, 2012 at 10:38pm.

A nitrogen atom has 7 protons, and its most common isotope has 7 neutrons. A radioactive isotope of nitrogen has 9 neutrons. What is the atomic number and what is the mass number of this radioactive nitrogen? Show all of your work for full credit

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