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arthurdarosabarcelos
@arthurdarosabarcelos
May 2023
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9. O átomo isolado com Z=2 e A=4, ₂X⁴ apresenta:
*
A) 4 prótons, 2 elétrons e 2 nêutrons.
B) 2 prótons, 2 elétrons e 2 nêutrons.
C) 4 prótons, 4 elétrons e 2 nêutrons.
D) 4 prótons, 4 elétrons e 4 nêutrons.
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viviadossantosdias
Resposta:
c 4 protons ,4eletrons e 2 neutrons
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Resposta:
c 4 protons ,4eletrons e 2 neutrons