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dalvyx [7]
3 years ago
14

Hitrogen (N) has an atomic number of 7 and an atomic mass of 14. Which of the following correctly shows the electron

Chemistry
1 answer:
rosijanka [135]3 years ago
3 0
I need more info this is not enough but I think it’s 2 of electron and 7 nitrogen which is acetic mass
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The half life of plutonium-239 (239pu, pu-239) is 24,100 years. How much plutonium will remain after 1000 years if the initial a
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Learn more about half life at:

brainly.com/question/24710827

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