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6 June, 14:53

Um átomo apresenta 13 prótons e 14 nêutrons. A carga do íon estável formado a partir desse átomo será:

a) - 2

b) - 1

c) + 1

d) + 2

e) + 3

A resposta deu letra (e) não entendi?!

+1
Answers (1)
  1. 6 June, 17:29
    0
    P=13

    n=14

    Al - 3e⁻ = Al⁺³

    e) + 3
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