oxidation number Flashcards
1
Q
O.N. for Group 1A(1)
A
+1 in all compounds
2
Q
O.N. for Group 2A(2)
A
+2 in all compounds
3
Q
O.N. for hydrogen
A
+1 in combination with nonmetals
-1 in combination with metals and boron
4
Q
O.N. for fluorine
A
-1 in all compounds
5
Q
O.N. for oxygen
A
-1 in peroxides
-2 in all other compounds (except with F)
6
Q
O.N. for Group 7A(17)
A
-1 in combination with metals, nonmetals (except O), and other halogens lower in group
