emilyb3120 emilyb3120

19-10-2017
Chemistry

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An atom of nickel has a mass number of 58. how many neutrons are in its nucleus?

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ejelonubenedict ejelonubenedict

20-10-2017

nickel has an atomic number of 28
so the number of neutrons = mass number - atomic number = 58 -28 = 30

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