Oxidation number rules Flashcards
1
Q
O.N. for H
A
for covalent compounds +1
together with metals -1
ex H2O
2
Q
O.N. for Oxygen
A
-2
in ionic and covalent compounds
exceptions
3
Q
O.N. for metals
A
+ and equal to their valence
4
Q
Group 1 Metals
A
Always +1
5
Q
Group 2 metals
A
Always +2
6
Q
Fluorine
A
Always -1
