Br2 Cu2+ Ni O3 Li+ S8 Ca F- P3- H- Fe3+
Ox #:
Compound |
Cation |
Cation oxidation number |
Anion |
Anion oxidation number |
NaCl |
Na+ |
+1 |
Cl- |
-1 |
LiF |
||||
CuS |
Oxidation number is the charge that an atom carry in a compound or element. Elements have oxidation number of zero and ions have oxidation number equal to their charge.
Br2 : 0
Cu2+ : +2
Ni : 0
O3 : 0
Li+ : +1
S8 : 0
Ca : 0
F- : -1
P3- : -3
H- : -1
Fe3+ : +3
2) LiF :
Cation = Li+ Oxidation number : +1
Anion = F- Oxidation number : -1
CuS :
Cation = Cu2+ . Oxidation number : +2
Anion = S2- Oxidation number : -2
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