Calcule o Nox do elemento ou especie química grifada: [...]


A) [O]3


B) [A]L³+


C) H[B]r


D) K2[O]


E) H2[S]O4


F) [N]O3–


G) [N]H4+


H) C6O


i) [I]–


J) Ca[Br]2
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