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Bio Terms
Bio Terms
11
Biology
10th Grade
11/11/2013

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Term
Hydrogen Bond
Definition
The attraction between a hydrogen atom with a partial positive charge and another atom with a partial negative charge is known as a hydrogen bond.
Term
Cohesion
Definition
Cohesion is an attraction between molecules of the same substance.
Term
Adhesion
Definition
Adhesion is an attraction between molecules of different substances.
Term
Mixture
Definition
A mixture is a material composed of two or more elements or compounds that are physically mixed together but not chemically combined.
Term
Solution
Definition
Type of mixture in which all the components are evenly distributed.
Term
Solute
Definition
A substance that is dissolved in a solution.
Term
Solvent
Definition
dissolving a substance in a solution
Term
pH scale
Definition
Chemists devised a measurement system called the pH scale.
Term
Acid
Definition
An acid is a any compound that forms H+ in solution
Term
Base
Definition
A base is a compound that produces hydroxide ions in solution.
Term
Buffers
Definition
Buffers are weak acids or bases that can react with strong acids or bases to prevent sharp, sudden changes in pH.
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