Chemistry, 03.11.2020 19:50 tionnewilliams21

Os átomos de certo elemento são constituídos cada um de 38 prótons, 50 nêutrons e 38 elétrons. Qual a opção que apresenta os valores corretos de número atômico e número de massa, respectivamente

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Os átomos de certo elemento são constituídos cada um de 38 prótons, 50 nêutrons e 38 elétrons. Qual...

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