What is the mass number of an ion with 108 electrons, 157 neutrons, and a 1 charge?

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24-01-2018
Chemistry

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What is the mass number of an ion with 108 electrons, 157 neutrons, and a 1 charge?

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skylajohnston skylajohnston · Answer 1 · 2018-01-25T23:13:45+01:00

skylajohnston skylajohnston

25-01-2018

The answer is 264.12

The element is Bh (Bohrium). If the ion has a 1 charge, the charge can either be 1+ or 1-. So the ion has to be an element with the atomic number 107 or 109 (Bh or Mt). Using simple math, subtract the atomic number from the mass number to equal 157.

264 - 107 = 157

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