An atom that has 13 protons in 15 neutrons is an isotope of the element

asked Apr 25, 2016 33.4k views

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3 votes

aluminum has 13 protons and 15 neutrons

Bryanbcook answered Apr 27, 2016

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1 vote

the element aluminum has 13 protons and 15 neutrons

Koja answered Apr 30, 2016

by Koja

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