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Is water made of elements combined into molecules?

April 26, 2017combined elements molecules water

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Is water made of elements combined into molecules?

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Students are familiar with the molecular composition of water: H2O. Point out the elements hydrogen and oxygen on the periodic table. • Help students recognize that sugar and salt also are made of a combination of elements that form molecules. Table sugar is a crystalline carbohydrate, C12H22O11. Salt is sodium chloride, NaCl.