Oxidation # Rules Flashcards
1
Q
ON of atoms in a neutral molecule…
A
sum to zero
2
Q
O.N. of atoms in an ion
A
sum to the charge on the ion
3
Q
Each atom in a pure element’s O.N. is…
A
0
4
Q
In monatomic ion O.N.=
A
charge on the ion
5
Q
Fluorine (F) O.N=
A
-1 in all compounds
6
Q
Hydrogen O.N.
A
+1, except if paired with metals (Hydrides where H=-1)
7
Q
Oxygen O.N.
A
- -2 except
- -1 in peroxides
8
Q
Br and Cl
A
-1, unless combined with O or F