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

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Molecular Geometry

The arrangement of atoms (not lone pairs of electrons) around a central atom of a molecule or polyatomic ion.

Alcohol

Hydrocarbon derivative containing an --OH group attached to a carbon atom not in an aromatic ring. Alcohols are a class of organic compounds containing the hydroxyl group, OH, attached to a carbon atom.

Combination Reaction

Reaction in which two substances (elements or compounds) combine to form one compound.

Control Rods

Rods of materials such as cadmium or boron steel that act as neutron obsorbers (not merely moderaters) used in nuclear reactors to control neutron fluxes and therfore rates of fission.

Flux

A substance added to react with the charge, or a product of its reduction, in metallurgy, usually added to lower a melting point.

Water Equivalent

The amount of water that would absorb the same amount of heat as the calorimeter per degree temperature increase.

Polarization

The buildup of a product of oxidation or a reduction of an electrode, preventing further reaction.

Ozone

We breathe 24 hours a day, 7 days a week, consuming about 25 kg of air every day. It turns out that we practically predetermine our health by the air we breathe.

Critical Pressure

The pressure required to liquefy a gas (vapor) at its critical temperature.

Electron Configuration

Specific distribution of electrons in atomic orbitals of atoms or ions.