Key term for Edexcel GCSE Chemistry, used in Transition Metals, Alloys and Corrosion.
A number indicated by Roman numerals that shows the degree of oxidation or the charge of an atom/ion (e.g., +2 in an Iron(II) ion).
Oxidation state appears in Edexcel GCSE Chemistry revision content for Transition Metals, Quantitative Analysis and Equilibria, especially Transition Metals, Alloys and Corrosion and Suggested Practicals.
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