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7 An 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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7 An atom that has 13 protons and 15 neutrons is an isotope of the element

(1) nickel (3) aluminum
(2) silicon (4) phosphorus

User Sotos
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1 Answer

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an atoms identity is always defined by the number of protons and it is seen in the periodic table so if an atom has 13 protons it will be aluminum
User Sandro Palmieri
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