Os números de oxidação dos átomos Sb, Br, Ir, Fe, C e P, nos compostos Sb 4O 10, BrO4-, IrCl6-, Na 2Fe
Os números de oxidação dos átomos Sb, Br, Ir, Fe, C e P, nos compostos Sb 4O 10, BrO4-, IrCl6-, Na 2Fe 2O4, CaC 2O 4 e HPO 32-, serão, respectivamente, 5 pontos
+5, +7, +5,+3,+3,+3
-5,+5,+5,+3,-3,+3
+5,+7,+5,+2,+3,+1
-5, -7, -5, -3, -3 e -3
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