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Chemistry, 31.08.2021 15:00 kaitlynmeats

An element X has two isotopes. X–15 has 7 protons and 8 neutrons. Determine the atomic number and mass number of the second isotope, which has 10 neutrons in its nucleus.

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An element X has two isotopes. X–15 has 7 protons and 8 neutrons. Determine the atomic number and ma...

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