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A skeleton equation is just a way of using the formulas to indicate the chemicals that were involved in the chemical reaction. "Mg + O2 MgO." This skeleton equation shows that magnesium reacts with oxygen to form magnesium oxide.
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A skeletal equation is a chemical reaction in which, the reactant and products are identified with their chemical formula but their quantity and proportion is not identified . For ex: Formation of magnesium oxide by burning Mg -ribbon in presence of oxygen as: Mg + O2 -> MgO.
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