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H3P04, Colorless liquid or rhombic crystals, decomposes before it will boil. Used mostly in the metal etchant. Used in cleaning operations to remove encrusted surface matter and mineral scale found on metal equipment such as boilers and steam producing equipment. Also used to brighten metals and remove rust.

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Radioactivity

The spontaneous disintegration of atomic nuclei.

Oxidation-reduction Reactions

Reactions in which oxidation and reduction occur, also called redox reactions.

Derivative

A compound that can be imagined to arise from a partent compound by replacement of one atom with another atom or group of atoms. Used extensively in orgainic chemistry to assist in identifying compounds.

Graham's Law

The rates of effusion of gases are inversely proportional to the square roots of their molecular weights or densities.

Extensive Property

A property that depends upon the amount of material in a sample.

Yellowcake

The solid form of mixed uranium oxide, which is produced from uranium ore in the uranium recovery (milling) process.

Cathode Ray Tube

Closed glass tube containing a gas under low pressure, with electrodes near the ends and a luminescent screen at the end near the positive electrode, produces cathode rays when high voltage is applied.

Mother Nuclide

Nuclide that undergoes nuclear decay.

Partial Pressure

The pressure exerted by one gas in a mixture of gases.