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Characteristic of the post-transition minerals, tendency of the outermost s electrons to remain nonionized or un shared in compounds.

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Chemical Hygiene Officer (CHO)

A person or employee who is qualified by training or experience to provide technical guidance in the development and implementations of the provisions of a Chemical Hygiene Plan (CHP)

Critical Mass

The minimum mass of a particular fissionable nuclide in a given volume required to sustain a nuclear chain reaction.

Net Ionic Equation

Equation that results from canceling spectator ions and eliminating brackets from a total ionic equation.

Active Metal

Metal with low ionization energy that loses electrons readily to form cations.

Tyndall Effect

The scattering of light by colloidal particles.

Alloying

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

Flux

A substance added to react with the charge, or a product of its reduction, in metallurgy, usually added to lower a melting point.

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K Capture

Absorption of a K shell (n=1) electron by a proton as it is converted to a neutron.

Kinetic-molecular Theory

A theory, that attempts to explain macroscopic observations on gases in microscopic observations on gases in microscopic observations on gases in microscopic or molecular terms.