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How are mixtures different from elements and compounds?

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Note that an element: consists of only one kind of atom,; cannot be broken down into a simpler type of matter by either physical or chemical means, and; can exist as either atoms (e.g. argon) or molecules (e.g., nitrogen). read more

Elements, Compounds & Mixtures. From the above site: Elements are composed of a single atom. Compounds are composed of two different atoms that are chemically bound together. Mixtures are composed of two or more elements and/or compounds physically intermixed together. read more

Note that a mixture: consists of two or more different elements and/or compounds physically intermingled, can be separated into its components by physical means, and; often retains many of the properties of its components. read more

Compounds are arranged by chemical bonds, while elements are ordered and defined by their atomic number. An atomic number is the amount of protons contained within a nucleus of an atom. Compounds can be broken down by using various chemical reactions and methods to form simpler substances. read more

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