Oxidation Numbers Flashcards
1
Q
what is the oxidation number for elements?
A
0
2
Q
where is the sign placed in the oxidation number?
A
before the number
3
Q
what is oxidation in terms of oxidation number?
A
increase in oxidation number
4
Q
what is reduction in terms of oxidation number?
A
decrease in oxidation number
5
Q
what is the oxidation number of oxygen?
A
-2
6
Q
what is the oxidation number of hydrogen?
A
+1
7
Q
what is the oxidation number of flourine?
A
-1
8
Q
what is the oxidation number of sodium and potassium?
A
+1
9
Q
what is the oxidation number of magnesium and calcium?
A
+2
10
Q
what is the oxidation number of chlorine, bromine, iodine?
A
-1
11
Q
what is the oxidation number of hydrogen in metal hydrides?
A
-1
12
Q
what is the oxidation number of oxygen in peroxides?
A
-1
13
Q
what is an example of peroxides?
A
BaO2 and Na2O2
