owla0shtoadeyesi owla0shtoadeyesi

24-04-2017
Physics

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For al, its atomic number is 13 and its mass number is 27. how many neutrons does it have

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noahmmackay noahmmackay

24-04-2017

Atomic number is the same number as the amount of protons. Atomic mass is the sum of protons and neutrons: the two sub-atomic particles only found in the atomic nucleus. Number of neutrons is equal to atomic mass (z) - atomic number (n), so 27-13=14 neutrons

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joeyrelentless joeyrelentless

24-10-2018

i believe it would have 14

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