11 protons, 12 neutrons, and 11 electrons. What is the atomic mass of the atom? * 1 point

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03-11-2017
Mathematics

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11 protons, 12 neutrons, and 11 electrons. What is the atomic mass of the atom? * 1 point

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wolf1728 wolf1728 · Answer 1 · 2017-11-03T03:50:57+01:00

wolf1728 wolf1728

03-11-2017

It would be 11 + 12 = 23 atomic mass units.
(electrons have about a mass of 5.489×10−4 atomic mass units, so their mass would be negligible in this calculation).

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