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Bioterms 5
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11
Biology
9th Grade
11/04/2014

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Term
Hydrogen Bond
Definition
a type of chemical bond in which a hydrogen atom that has a covalent link with one of the electronegative atoms (F, N, O) forms an electrostatic link with another electronegative atom in the same or another molecule.
Term
Cohesion
Definition
the molecular force between particles within a body or substance that acts to unite them.
Term
Adhesion
Definition
the molecular force of attraction in the area of contact between unlike bodies that acts to hold them together.
Term
Mixture
Definition
an aggregate of two or more substances that are not chemically united and that exist in no fixed proportion to each other.
Term
Solvent
Definition
having the power of dissolving; causing solution.
Term
Solution
Definition
the process by which a gas, liquid, or solid is dispersed homogeneously in a gas, liquid, or solid without chemical change
Term
Buffer
Definition
a compound that prevents sharp,sudden changes in pH
Term
Base
Definition
compound that produces hydroxide ions (OH-) solution; solution with a pH of more than 7(44)
Term
Acid
Definition
compound that forms hydrogen in solution; a solution with a pH of less than 7(44)
Term
Solute
Definition
the substance dissolved in a given solution.
Term
Suspension
Definition
mixture of water and non dissolved material
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