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An impure form of carbon obtained by destructive distillation of coal or petroleum.

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Vapor

A gas formed by boiling or evaporating a liquid.

Homologous Series

A series of compounds in which each member differs from the next by a specific number and kind of atoms.

Biodegradability

The ability of a substance to be broken down into simpler substances by bacteria.

 

Alloying

Mixing of metal with other substances (usually other metals) to modify its properties.

Clay

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

Group

A vertical column in the periodic table, also called a family.

Yellowcake

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

Thermal Cracking

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

 

Phosphorus Oxychloride

Colorless to slightly yellow fuming liquid.

Mol. Wt.: 153.39
M.P.: 20C
B.P.: 105.1C
Density: 1.685 @ 15.5C
Vapor Pressure: 40 mm @ 27.3C
Vapor Density: 5.3
Used as the phosphorus source for phosphorus diffusion.

Band of Stability

Band containing nonradioactive nuclides in a plot of number of neutrons versus atomic number.