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
Answers: 1
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