Oxidation Numbers (Leaving Cert Chemistry): Flashcards
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Oxidation number
Oxidation number
Charge an atom would have if electrons assigned by rules
Alternative term for oxidation number
Alternative term for oxidation number
Oxidation state
Electrons assigned to more...
Electrons assigned to more...
Electronegative element
Oxidation no. of uncombined elements (e.g. , Na)
Oxidation no. of uncombined elements (e.g. , Na)
0
Oxidation no. of simple ion
Oxidation no. of simple ion
Equals its charge
Sum of oxidation nos. in neutral compound
Sum of oxidation nos. in neutral compound
0
Usual oxidation no. of O
Usual oxidation no. of O
-2
Oxidation no. of O in peroxides (e.g. )
Oxidation no. of O in peroxides (e.g. )
-1
Usual oxidation no. of H
Usual oxidation no. of H
+1
Oxidation no. of H in metal hydrides (e.g. NaH)
Oxidation no. of H in metal hydrides (e.g. NaH)
-1
Usual oxidation no. of halogens
Usual oxidation no. of halogens
-1
Sum of oxidation nos. in polyatomic ion
Sum of oxidation nos. in polyatomic ion
Equals the ion charge
Increase in oxidation no.
Increase in oxidation no.
Oxidation
Decrease in oxidation no.
Decrease in oxidation no.
Reduction
Transition metals have multiple...
Transition metals have multiple...
Oxidation states