A given way isotopes of nitrogen (N) contains 7 electrons,7 protons and 8 neutrons. what its mass number ? what its atomic number ?

asked Apr 13, 2021 88.8k views

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A given way isotopes of nitrogen (N) contains 7 electrons,7 protons and 8 neutrons.

what its mass number ?
what its atomic number ?

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3 votes

Mass number is
protons + nuetrons
So,
7 + 8 = 15
——-
Atomic number is the number of protons
so,
7

Brian Scott answered Apr 18, 2021

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