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The mass of one molecule of a nonionic substance in atomic mass units.

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Nuclides

Refers to different atomic forms of all elements in contrast to ?isotopes?, which refer only to different atomic forms of a single element.

Dosimeter

A small, calibrated electroscope worn by laboratory personnel and designated to detect and measure incident ionizing radiation or chemical exposure.

Artificial Transmutation

An artificially induced nuclear reaction caused by the bombardment of a nucleus with subatomic particiles or small nucei.

Ferromagnetism

The ability of a substance to become permanently magnetized by exposure to an external magnetic field.

Pairing

A favourable interaction of two electrons with opposite m , values in the same orbital.

Radiation

High energy particles or rays emitted during the nuclear decay processes.

Crystal Field Stabilization Energy

A measure of the net energy of stabilization gained by a metal ion's nonbonding d electrons as a result of complex formation.

Atomic Weight

Weighted average of the masses of the constituent isotopes of an element, The relative masses of atoms of different elements.

Allotropic Modifications (Allotropes)

Different forms of the same element in the same physical state.

Endothermic

Describes processes that absorb heat energy.