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25 Cards in this Set
- Front
- Back
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Endothermic
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Describes a chemical reaction that absorbs more energy than it releases
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Exothermic
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Describes a chemical reaction that releases more energy than it absorbs
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Cohesion
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Attraction among molecules of the same substance
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Adhesion
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Attraction among molecules of different substances
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Solution
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Mixture of substances that is the same throughout
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Solute
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A dissolved substance
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Atoms
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Is made up of three types of smaller particles
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Element
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Is one particular type of atom
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Compound
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Is a substance made of atoms of different elements bonded together in a certain ratio
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Ion
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Is an atom that has gained or lost one or more electrons
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Ionic bond
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Forms between a positively charged ion and a negatively charged ion
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Covalent bond
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Forms when atoms share a pair of electrons
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Molecule
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Is two or more atoms held together by covalent bonds
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Hydrogen bond
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The positive charge from the hydrogen atom of one water molecule can attract a negative charge from another molecule
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Cohesion
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The attraction among molecules of the same substances
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Adhesion
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The attraction among molecules of the same substances
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Solution
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Is a mixture of substances that is equally mixed throughout
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Acid
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Is a compound that releases a proton when it dissolve in water
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Base
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Removes H+ ions from a solution
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Monomer
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Are linked together they form molecules called polymers
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Polymers
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Is a large molecule made of many monomers bonded together
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Carbohydrates
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Are molecules made of carbon, hydrogen, and oxygen
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Carbohydrates
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Are molecules made of carbon, hydrogen, and oxygen
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Lipids
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Are molecules that include fats, oils, and cholesterol
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Fatty acid
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Are chains of carbon atoms bonded to hydrogen atoms
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