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A heavy, colorless, chemically inactive, monatomic gaseous element used for filling radio, television, and luminescent tubes. Symbol: Xe, at. wt.: 131.30, at. no.: 54.

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Matter

Anything that has mass and occupies space.

Sigma Orbital

Molecular orbital resulting from head-on overlap of two atomic orbitals.

Vapor

A gas formed by boiling or evaporating a liquid.

Hydrate Isomers

Isomers of crystalline complexes that differ in whether water is present inside or outside the coordination sphere.

Kinetic Energy

Energy that matter processes by virtue of its motion.

Octane Number

A number that indicates how smoothly a gasoline burns.

Group

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

Turning iron nail into copper nail

This simple chemical experiment shows the so-called process of copper plating of metal products. Copper has the ability to deposit on a metal surface.

Saccharic acid

A white, needlelike, crystalline, water-soluble solid or syrup, C6H10O8, usually made by the oxidation of cane sugar, glucose, or starch by nitric acid. Also called "Glucaric acid."

Ideal Gas Law

The product of pressure and the volume of an ideal gas is directly proportional to the number of moles of the gas and the absolute temperature.