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In a water molecule, hydrogen and oxygen are held together by a(an) bond. a) double covalent b) ionic c) nonpolar covalent d) hydrogen e) polar covalent
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The tendency of water molecules to stick together is referred to as a) adhesion b) polarity c) cohesion d) transpiration e) evaporation
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Một nguyên tử có tổng số hạt cơ bản là 24 trong hạt nhân số proton bằng với số nơtron xác định số kh...
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