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ingridferreira2
@ingridferreira2
March 2022
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Me ajudem por favor!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
átomo Numero de protons numero de neutrons numero de életrons
1 12 12 10
2 8 8 8
3 8 9 8
4 11 12 11
a)
Quais átomos são considerados neutros? justifique a resposta.
b)
Encontre o numero de massa e atômico de cada átomo presente nesse quadro.
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