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Decomposition by heating a substance in the presence of a catalyst and in the absence of air.

 

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Bond Order

Half the numbers of electrons in bonding orbitals minus half the number of electrons in antibonding orbitals. Bond order gives an indication to the stability of a bond. Also defined as the difference between the number of bonding electrons and antibonding electrons divided by two.

Excited State

Any state other than the ground state of an atom or molecule.

xenon hexafluoride

A colorless, crystalline compound, XeF6, that melts at 50°C to a yellow liquid, and boils at 75°C.

Tetrahedral

A term used to describe molecules and polyatomic ions that have one atom in center and four atoms at the corners of a tetrahedron.

Insoluble Compound

A very slightly soluble compound.

Ideal Solution

A solution that obeys Raoult's Law exactly.

Amino Acid

Compound containing both an amino and a carboxylic acid group.The --NH2 group.

Ionic Compounds

Compounds containing predominantly ionic bonding.

Atomic Orbital

Region or volume in space in which the probability of finding electrons is highest.

Heat

A form of energy that flows between two samples of matter because of their differences in temperature.