1
Q
Peroxide
A
Compound containing oxygen oxygen single bond or peroxide anion o2-, e.g. H2O2
2
Q
Hydride
A
Compounds contain h- ion
3
Q
Oxidation number of pure element
A
0
4
Q
Oxidation number of simple ion
A
Equal to its charge
5
Q
Sum of oxidation numbers =
A
0
6
Q
Sum of oxidation states in Polyatomic ion =
A
Overall charge of ion
7
Q
Metal hydrides oxidation numbers
A
- Na less electronegative than hydrogen
- H- ion
8
Q
Oxygen oxidation state in peroxide
A
-1
9
Q
Halogen oxidation state
A
Usually -1 BUT as halages (bonded to o2) they have varied oxidation states
10
Q
Halate ion charge
A
-1
(ClO-1)
11
Q
exception to H oxidation number
A
in metal hydrides it is -1
12
Q
what is a metal hydride
A
metal to hydrogen - NaH
13
Q
oxidation number of Cl in NaClO2
A
+3
14
Q
oxidation number of oxygen when bonded to F?
A
2+
15
Q
oxidation
A
loss e-
Chemistry
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