Is this a homework question? Your two half-equations are: Na=Na+ + e- (oxidation) Cl2 + 2e-=2Cl- (reduction) You'll very most likely want 2Na +Cl2=2NaCl L
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Is this an example of oxidation? No. Oxidation needs oxygen, to make oxides. Oxy K? I mean, O.K.?
You do not always need oxygen for oxidation.Wiki link.
Just to keep you confused, fluorine can oxidize oxygen (usually via sodium hydroxide reactant) to make oxygen difluoride:2 F2 + 2 NaOH → OF2 + 2 NaF + H2O
"Oxidation is the loss of electrons or an increase in oxidation state by a molecule, atom, or ion." "Reduction is the gain of electrons or a decrease in oxidation state by a molecule, atom, or ion." - Wikipedia It's a so called redox-reaction. Chlorine gets an electron while sodium loose it. BTW: 2 Na + CL2 -> 2 NaCl NaCl2 does not exist.
Its just like algebra, both sides of the equation have to balance.
If I remember correctly sodium does combine with oxygen but its preferred partner is chlorine. It has to do with how the electrons match up. Chlorine is a better match which is why it is such a stable compound. A chemistry book would explain it all to you. The pluses of the one element match the minuses of the other.
The chlorine oxidises the sodium. Wiki link.