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5 Simple Techniques For cac truong noi tru tot tnhat

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A substance that only incorporates one particular form or course of atom is claimed being an element. Because it can't be altered through Bodily or chemical indicates to stop working or make new substances, a component can be a pure material. Nearly all features are metals, nonmetals, or metalloids. These https://davidp406xjy5.tnpwiki.com/user

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