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3349143
Numero de Oxidação (NOX)
Description
Mind Map on Numero de Oxidação (NOX), created by Daiane Tadeu on 02/09/2015.
Mind Map by
Daiane Tadeu
, updated more than 1 year ago
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Created by
Daiane Tadeu
almost 9 years ago
73
4
0
Resource summary
Numero de Oxidação (NOX)
Indica a carga de um átomo quando ele: GANHA ou PERDE elétrons
Regras para o cálculo de nox:
Substâncias Simples
Nox: 0 ex: O² Fe
O NOX é fixo para as substâncias:
Família 1A: +1
Família 2A: +2
Zn: +2
Ag: +1
Cd: +2
Al: +3
F:-1
Halog: (7A) : -1 se não tiver ligado a O
Calcog:(6A): -2 se não tiver ligado a O
Molécula neutra: Soma do nox: 0
Íons
NOX: igual a carga do íon
Annotations:
ex: Cu+² -> nox:2 O² nox: 2-
H: +1 maioria dos casos ou -1 ligado a um metal
O: -2 (maioria dos casos) :-1 (peroxidos) :+2 quando ligado ao F
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