What are the elemental oxidation numbers in sodium chloride?

Answer 1

For elemental ions, the oxidation number of the ion is the same as its electric charge..........

And thus we get oxidation numbers of #+I# and #-I#, for sodium ion and chloride ion respectively. Note that the original synthesis of #NaCl# is certainly a redox equation:

#stackrel(0)Na(s) + 1/2stackrel(0)Cl_2rarrstackrel(+I)Na^(+)stackrel(-I)Cl^(-)(s)#

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Answer 2

Jose Ayala

The elemental oxidation numbers in sodium chloride are +1 for sodium (Na) and -1 for chlorine (Cl).

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.