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Estudos Gerais • 05/20/2024

6. (UFAL) O cátion trivalente com 23 elétrons e 30 nêutrons ...

(UFAL) O cátion trivalente com 23 elétrons e 30 nêutrons tem número de massa igual a: a) 7. b) 28 . c) 46 d) 53 . e) 56 .

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