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biochemistry matching

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atom
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a group of atoms held together by covalent bonds
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ion
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force holding two atoms together resulting from a chemical reaction
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electron
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negatively charged particles moving around the nucleus
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molecule
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force of attraction between opposite charged ions
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chemical bond
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atoms that gain or lose electrons in chemical reactions
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covalent bond
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molecules with carbon-carbon bonds
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ionic bond
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a pure substance composed of only one type of atom
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macromolecule
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composed of molecules joined together in one large molecule
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organic compound
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chemical bond which atoms share electrons
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element
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smallest particle of matter