Physics, 30.12.2019 22:31 20jmurphy82
If an isotope of nitrogen has a mass number of 15 and an atomic number of 7, how many subatomic particles are in the nucleus?
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Each line (unit) on the horizontal axis represents: 5 years 10 years 20 years all of the above
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If an isotope of nitrogen has a mass number of 15 and an atomic number of 7, how many subatomic part...
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