Iron ii what does that mean

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You do not have JavaScript enabled. Please enable JavaScript to access the full features of the site or access our non-JavaScript page. Issue 19, What is the oxidation number for oxygen? Why is the oxidation state of noble gas zero? See all questions in Oxidation Numbers. Impact of this question views around the world.

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Havighurst,, Susie M. Miller,, Oren P. Anderson, and, Steven H. Journal of the American Chemical Society , 50 , Coordination Chemistry Reviews , , In terms of electrons:. Rusting is a complex process.

The example below show why both water and oxygen are needed for rusting to occur. They are interesting examples of oxidation, reduction and the use of half equations:. One of the stages in rusting involves the redox reaction of iron II ions with oxygen:.

Iron II ions lose electrons, so they are oxidised. Oxygen gains electrons, so it is reduced.