How many protons and neutrons are there in the isotope 27 13 Al? (a) 27 neutrons; 13
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How many protons and neutrons are there in the isotope 2713Al?
(a) 27 neutrons; 13 protons
(b) 13 neutrons; 27 protons
(c) 13 neutrons; 14 protons
(d) 14 neutrons; 13 protons
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