Oxidation Numbers Flashcards
1
Q
Elements ON
A
0
2
Q
Sum of ON in a compound
A
0
3
Q
Sum of ON in an ion
A
Charge of the ion
4
Q
Hydrogen
A
+1, except in metal hydrides (-1)
5
Q
Group 1
A
+1
6
Q
Group 2
A
+2
7
Q
Aluminum
A
+3
8
Q
Oxygen
A
+2, except in hydrogen peroxide (-1)
9
Q
Group 17
A
-1, except with another group 17 or oxygen then it has to be calculated
