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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.

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Formula

Combination of symbols that indicates the chemical composition of a substance.

 

Spectrochemical Series

Arrangement of ligands in order of increasing ligand field strength.

Concentration

Amount of solute per unit volume or mass of solvent or of solution.

Neutron

A neutral subatomic particle having a mass of 1.0087 amu.

Osmotic Pressure

The hydrostatic pressure produced on the surface of a semipermable membrane by osmosis.

High Spin Complex

Crystal field designation for an outer orbital complex, all t2g and eg orbitals are singly occupied before any pairing occurs.

Octane Number

A number that indicates how smoothly a gasoline burns.

Safranine

Also called "phenosafranine". A purplish-red, water-soluble dye, C18H14N4, used for textiles and as a stain in microscopy.

Solubility Product Principle

The solubility product constant expression for a slightly soluble compound is the product of the concentrations of the constituent ions, each raised to the power that corresponds to the number of ions in one formula unit.

Mass Number

The sum of the numbers of protons and neutrons in an atom, an integer.