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Chemistry, 20.05.2021 14:00 jesussanchez1445

Determine o número atômico, a massa atômica, prótons, elétrons e nêutrons, dos seguintes átomos abaixo: A) ⁴Be⁹

B) ⁹F¹⁹

C) ¹⁵P³¹

D) ²⁶Fe⁵⁶

E) ¹⁵K³⁹

F) ¹³AI²⁷

G) ²⁰Ca⁴⁰

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