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Refers to the separation of charge between two covalently bonded atoms.

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Saturated Hydrocarbons

Hydrocarbons that contain only single bonds. They are also called alkanes or paraffin hydrocarbons.

Flotation

Method by which hydrophobic (water-repelling) particles of an ore are separated from hydrophilic (water-attracting) particles of a metallurgical pretreatment process.

Ligand

A Lewis base in a coordination compound.

yttria

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

Coulometry

The quantitative application of Faraday's Law to the analysis of materials. The current and time are the usual variables measured.

Emulsion

Colloidal suspension of a liquid in a liquid.

Solvation

The process by which solvent molecules surround and interact with solute ions or molecules.

Lanthanide Contraction

A decrease in the radii of the elements following the lanthanides compared to what would be expected if there were no f-transition metals.

Formula Unit

The smallest repeating unit of a substance. The molecule for nonionic substances

Hydride

A binary compound of hydrogen.