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Nitrogen is the 7th element on the periodic table. One isotope of nitrogen has atomic mass 15. In a neutral nitrogen-15 atom there are _____ protons, _____ neutrons, and ______ electrons. I don't just need the answer but just an explanation of how you got that.This should be really simple.n a neutral atom, number of electrons = number of protons Therefore number of electrons = 7 Number of protons + number of neutrons = atomic mass Or number of neutrons = atomic mass-number of protons = 15 - 7 = 8 Ans: 7 protons, 8 neutrons, and 7 electrons ____________________.
The nucleus of a nitrogen atom is made of 7 protons and in the most common isotope of nitrogen, nitrogen-14 (making up 99.636% of natural nitrogen), 7 neutrons too. This gives â¦ it a total of 14 baryons in the nucleus.lemental nitrogen does not exist as individual atoms. If it did, it would be an atom surrounded by 5 valence electrons. Instead, nitrogen exists as a diatomic molecule. The nitrogens in the molecule are joined by a triple bond and each has one lone pair of electrons.