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Biology

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Term
Definition
polar   describes a molecule with opposite charges on opposite ends  
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solution   a homogenous mixture throughout which two or more substances are uniformly dispersed  
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aqueous solution   a solution in which water is the solvent  
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pH scale   scale used for comparing the relative concentrations of hydronium ions and hydroxide ions in a solution  
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hydrogen bond   the intermolecular force occurring when a hydrogen atom that is bonded to a highly electronegative atom of one molecule is attracted to two unshared electrons of another molecule  
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solute   in a solution, the substance that dissolves in the solvent  
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hydroxide ion   the OH- ion  
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buffer   a solution made from a weak acid and its conjugate base that neutralizes small amounts of acids or bases added to it  
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cohesion   the force that holds molecules of a single material together  
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solvent   in a solution, the substance in which the solute dissolves  
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hydronium ion   an ion consisting of a proton combined with a molecule of water; H30+  
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adhesion   the attractive force between two bodies of different substances that are in contact with each other  
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concentration   the amount of a particular substance in a given quantity of a mixture, solution, or ore  
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acid   any compound that increases the number of hydronium ions when dissolved in water; acid turns blue litmus paper red and react with base sand some metals to form salts  
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capillarity   the attraction between molecules that results in the rise of a liquid in small tubes  
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saturated solution   a solution that cannot dissolve any more solute under the given conditions  
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base   any compound that increases the number of hydroxide ions when dissolved in water; bases turns red litmus paper blue and react with acids to form salts  
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Created by: devolvej
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