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

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asked Jan 19, 2018 57.2k views

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Nosson · Answer 1 · 2018-01-26T02:03:09+0000

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).

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

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