oxidation numbers Flashcards
1
Q
elements
A
always 0
2
Q
simple ions
A
charge
3
Q
F (in a compound)
A
always -1
4
Q
O (in a compound)
A
-2
except
-bonded to F
-peroxide ion (-1)
5
Q
H (in a compound)
A
+1
except when bonded to a metal (-1)
6
Q
Cl (in a compound)
A
-1
except when bonded to F/O/N
7
Q
compound/complex ion
A
overall charge = sum of oxidation numbers
