Rules For Oxidation Numbers Flashcards
The oxidation number of any uncombined element
0
The oxidation number of a monatomic ion
Equals its charge
Oxidation number for group 1A
+1 in all compounds
Oxidation number for group 2a
+2 in all compounds
Oxidation number for hydrogen
+1 in combo with nonmetals
-1 in combo with metals and boron
Oxidation number for oxygen
-1 in peroxides
+2 with Fluoride
-2 in all other compounds
Oxidation Number for group 7a
-1 in combo with metals, nonmetals (not O), and halogens lower in the group
Oxidation number for fluorine
-1 in It’s compounds
The sun of the oxidation numbers in the formula of a compound
0
The sun of the oxidation numbers in the formula of a Polyatomic ion
Is equal to its charge
Maximum oxidation number of a nonmetal is equal to
The group number
The minimum oxidation number is equal to
Group 8
