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Any of six colorless, crystalline, isomeric acids having the formula C9H10O2, derived from xylene.

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Clay

A class of silicate and aluminosilicate minerals with sheet-like structures that have enormous surface areas that can absorb large amounts of water.

Octet Rule

Many representative elements attain at least a share of eight electrons in their valence shells when they form molecular or ionic compounds, there are some limitations.

Nonelectrolyte

A substance whose aqueous solutions do not conduct electricity.

Coordination Isomers

Isomers involving exchanges of ligands between complex cation and complex anion of the same compound.

Mole Fraction

The number of moles of a component of a mixture divided by the total number of moles in the mixture.

 

Haber Process

A process for the catalyzed industrial production of ammonia from N2 and H2 at high temperature and pressure.

Crystal Field Theory

Theory of bonding in transition metal complexes in which ligands and metal ions are treated as point charges, a purely ionic model, ligand point charges represent the crystal (electrical) field perturbing the metal?s d orbitals containing nonbonding electrons.

Breeder Reactor

A nuclear reactor that produces more fissionable nuclear fuel than it consumes.

Pairing Energy

Energy required to pair two electrons in the same orbital.

Octane Number

A number that indicates how smoothly a gasoline burns.