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Terms 2.3

TermDefinition
polar compound that has an uneven distribution of charge
hydrogen bond the force of attraction between a hydrogen molecule with a partial positive charge and another atom or molecule with a partial or fully negative charge
cohesion an attraction force that holds molecules of a single substance together
adhesion the attraction force between two particles of different substances
capillarity the attraction between molecules that results in the rise of the surface of a liquid when in contact with a solid
solution a mixture in which one or more substances are uniformly distributed in another substance
solute a substance dissolved in the solvent
solvent the substance in which the solute is dissolved
concentration the amount of solute dissolved in a fixed amount of the solution
saturated solution solution in which no more solute can dissolve
aqueous solution solutions in which water is the solvent
hydroxide ion HO- ion
hydronium ion H3O+ ion
acid if the number of hydronium ions in the solution is greater than the number of hydroxide ions, the solution is this
base if the solution contains more hydroxide ions than hydronium ions, it is ____
pH scale compares the relative concentration of hydronium ions and hydroxide ions in a solution (0=very acidic-7=neutral-14=very basic)
buffer chemical substances that neutralize small amounts of either an acid or a base added to a solution
Created by: Addaleigh
 

 



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