Oxidation Numbers Flashcards
1
Q
Pure element
A
Zero
2
Q
Mono atomic ion
A
Charge of ion
3
Q
Flourine
A
Always -1 when combined with another element
4
Q
Oxygen
A
-2
Except when combined with flourine as flourine -1 takes precedence
In peroxide’s is -1
In superoxides is -1/2
5
Q
Cl, Br, I
A
-1 except when combine with F and O whose numbers take precedence
6
Q
H
A
+1
Except when forms binary compound metal in which case is -1
7
Q
Group 1A
A
+1
