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Bio Terms 2.3

TermDefinition
Polar -A compound with an uneven distribution of charge. Ex:water
Hydrogen Bond -The force of attraction between hydrogen molecules with a positive charge and another atom with a negative charge.
Cohesion -An attractive force that holds molecules of a singe substance together.
Adhesion -The attractive force between two partials of a different substance.
Capillary -The attraction between molecules that result in a rise of the surface of a liquid when contacted with a solid.
Solution -A mixture in which one or more substances are uniformly distributed in another substance.
Solute -A substance dissolved into the solvent.
Solvent -A substance dissolved into the solute.
Concentration -The amount of solute dissolved in a fixed amount of solution.
Saturated Solution -A solution where no more solute can dissolve.
Aqueous Solution -Solutions on which water is the solvent
Hydroxide Atom -OH=
Hydronium Ion -H to the 3rd O plus
Acid -If the number of hydronium ions in a solution is greater than the number of hydroxide ions this is the solution.
Base -If the solution contains more hydroxide atom than ions
Ph scale -A scale to compare the amount of hydroxide atoms and hydronium ions in a substance.
Buffer -Chemical substances small amounts of either acids or bases.
Created by: AdamsD20