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This glaze goes on dull, and it is usually a pastel color, but the finished product comes out of the kiln (or oven) with bright shiny colors.
This is because the metals in the glaze are oxidized, and this chemical reaction causes the metal to change colors.
Discover the rules for assigning oxidation numbers in both covalent compounds and ionic compounds.
Learn how to assign the oxidation number for each element in a chemical formula.