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Ions resulting from the formation of coordinate covalent bonds between simple ions and other ions or molecules.

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Nonbonding Orbital

A molecular orbital derived only from an atomic orbital of one atom, lends neither stability nor instability to a molecule or ion when populated with electrons.

Dermal toxicity

Adverse health effects resulting from skin exposure ot a substance.

Heterocyclic Amine

Amine in which the nitrogen is part of a ring.

Water Equivalent

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

Polyene

A compound that contains more than one double bond per molecule.

Breeder Reactor

A nuclear reactor that produces more fissionable nuclear fuel than it consumes.

Lewis Dot Formula (Electron Dot Formula)

Representation of the core of a molecule, ion or formula unit by showing atomic symbols and only outer shell electrons.

xenon hexafluoride

A colorless, crystalline compound, XeF6, that melts at 50°C to a yellow liquid, and boils at 75°C.

Photoelectric Effect

Emission of an electron from the surface of a metal caused by impinging electromagnetic radiation of certain minimum energy, current increases with increasing intensity of radiation.

 

Ground State

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