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A solution that obeys Raoult's Law exactly.

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Ionization Constant

Equilibrium constant for the ionization of a weak electrolyte.

Rate-determining Step

The slowest step in a mechanism, the step that determines the overall rate of reaction.

Halogens

Group VIIA elements: F, Cl, Br, I

Kinetic Energy

Energy that matter processes by virtue of its motion.

Colligative Properties

Physical properties of solutions that depend upon the number but not the kind of solute particles present.

Conduction Band

A partially filled band or a band of vacant energy levels just higher in energy than a filled band, a band within which, or into which, electrons must be promoted to allow electrical conduction to occur in a solid.

Isomers

Different substances that have the same formula.

Voltaic Cells

Electrochemical cells in which spontaneous chemical reactions produce electricity, also called galvanic cells.

 

Saccharide

An organic compound containing a sugar or sugars.

Activation Energy

Amount of energy that must be absorbed by reactants in their ground states to reach the transition state so that a reaction can occur. In other words, activation energy is the minimum energy required for a chemical reaction to occur.