oxidation number Flashcards
(9 cards)
1
Q
what is the oxidation number of an element?
A
0
2
Q
what do the oxidation numbers in a neutral compound add up to?
A
0
3
Q
what do oxidation numbers in a charged compound add up to?
A
the total charge
4
Q
oxidation number of hydrogen
A
+1
5
Q
oxidation number of oxygen
A
-2
6
Q
oxidation number of halogens
A
-1
7
Q
oxidation numbers of group 1 metals
A
+1
8
Q
in a metal hydride, what is the oxidation number of hydrogen?
A
-1
9
Q
in a peroxide, what is the oxidation number of oxygen?
A
-1
