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MB Chapter 2-3

Chapter 2 Section 3 Terms

TermDefinition
polar a compound with 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 full negative charge
cohesion an attractive force that holds molecules of a single substance together
adhesion the attractive force between two particles of different substances
capillarity the attraction between 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 a substance in which the solute is dissolved
concentration the amount of solute dissolved in a fixed amount of the solution
saturated solution one in which no more solute can dissolve
aqueous solution universally important to living things; water is always the solvent
hydroxide ion the OH- ion
hydronium ion the H3O+ ion
acid the solution where the number of hydronium ions is greater than the number of hydroxide ions
base when the solution contains more hydroxide ions than hydronium ions
pH scale compares the relative concentrations of hydronium ions and hydroxide ions in a solution
buffer chemical substances that neutralize small amounts of either an acid or a base added to a solution
Created by: lakatosv19
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