Chemistry, 18.09.2019 02:50 bullockarwen

7an atom that has 13 protons and 15 neutrons is an isotope of the element
(1) nickel (3) aluminum
(2) silicon (4) phosphorus

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7an atom that has 13 protons and 15 neutrons is an isotope of the element
(1) nickel (3) alumi...