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15 Cards in this Set
- Front
- Back
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A _____ forms when electrons are shared between atoms.
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covalent bonds
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The _____ is the smallest unit of most compounds.
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molecule
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An _____ is formed when one or more elctrons are transferred from one atom to another.
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ionic bond
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Positively and negatively charged atoms are _____
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ions
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intermolecular forces of attraction ______
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van der Waals forces
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A chemical _____ is a substance formed by the chemical combination of two or more elements in definite proportions.
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compound
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_____ is an attraction between molecules of the same substance
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cohesion
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_____ is an attraction between molecules of different substances
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adhesion
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A _____ is a material composed of two or more elements or compunds that are physically mixed together but not chemically combined
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mixture
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_____ indicates the concentration of H+ ions in a solution
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pH scale
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_____ are weak acids or bases that can react with strong acids or bases to prevent sharp, sudden changes in pH
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buffers
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All of the components of a ____ are evenly distributed thorughout the solution
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solution
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macromolecules are formed by a process called _____.
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polymerization
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smaller units, _____, join together to form ____
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monomers, polymers
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Two kinds of nucleic acids: ____ and _____
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DNA, RNA
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