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Elements of the periodic Group 0, also called rare gases, formerly called inert gases, He,Ne,Ar, Kr, Xe, Rn.

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Heat Capacity

The amount of heat required to raise the temperature of a body (of any mass) one degree Celsius.

Noble Gases (Rare Gases)

Elements of the periodic Group 0, also called rare gases, formerly called inert gases, He,Ne,Ar, Kr, Xe, Rn.

Secondary Voltaic Cells

Voltaic cells that can be recharged, original reactanats can be regenerated be reversing the direction of the current flow.

Covalent Compounds

Compounds containing predominantly covalent bonds.

Frasch Process

Method by which elemental sulfur is mined or extracted. Sulfur is melted with superheated water (at 170°C under high pressure) and forced to the surface of the earth as a slurry.

 

Ground State

The lowest energy state or most stable state of an atom, molecule or ion.

Fast Neutron

A neutron ejected at high kinetic energy in a nuclear reaction.

Evaporization

Vaporization of a liquid below its boiling point.

Beta Particle

Electron emitted from the nucleus when a neuton decays to a proton and an electron.

Nickel-cadmium cell (Nicad battery)

A dry cell in which the anode is Cd, the cathode is NiO2, and the electrolyte is basic.