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Arrangement of ligands in order of increasing ligand field strength.

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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)

Gangue

Sand, rock, and other impurities surrounding the mineral of interest in an ore.

Nonpolar Bond

Covalent bond in which electron density is symmetrically distributed.

Atomic Mass Unit (amu)

One twelfth of a mass of an atom of the carbon-12 isotope, a unit used for stating atomic and formula weights, also called dalton.

Tyndall Effect

The scattering of light by colloidal particles.

Deposition

The direct solidification of a vapor by cooling, the reverse of sublimation.

Molecular Formula

Formula that indicates the actual number of atoms present in a molecule of a molecular substance.

yttria

Y2O3: A white, water-insoluble powder, Y2O3, used chiefly in incandescent gas and acetylene mantles.

Thermal Cracking

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

 

Dispersing Medium

The solvent-like phase in a colloid.