Oxidation Numbers Flashcards
1
Q
What is the oxidation number of Br in elemental bromine, Br2?
A
0
2
Q
What is the oxidation number of Br in sodium bromide, NaBr?
A
-1
3
Q
What is the oxidation number of Br in carbon tetrabromide, CBr4?
A
-1
4
Q
What is the oxidation number of S in hydrosulfuric acid, H2S?
A
-2
5
Q
What is the oxidation number of S in the sulfite ion, SO32-?
A
+4
