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Author Question: The atomic number of nitrogen is 7. Nitrogen-15 is heavier than nitrogen-14 beca (Read 2612 times)

Hawke

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on: May 25, 2013
The atomic number of nitrogen is 7. Nitrogen-15 is heavier than nitrogen-14 because the atomic nucleus of nitrogen-15 contains how many neutrons?
A) 6
B) 7
C) 8
D) 12
E) 14


Melanie

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Reply #1 on: May 28, 2013


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