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Covalent bond in which there is an unsymmetrical distribution of electron density.

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Strong Field Ligand

Ligand that exerts a strong crystal or ligand electrical field and generally forms low spin complexes with metal ions when possible.

Quantum Mechanics

Mathematical method of treating particles on the basis of quantum theory, which assumes that energy (of small particles) is not infinitely divisible.

Neutron

A neutral subatomic particle having a mass of 1.0087 amu.

Equivalent Weight

An oxidizing or reducing agent, who's mass gains (oxidizing agents) or loses (reducing agents) 6.022 x 1023 electrons in a redox reaction.
The mass of an acid or base that furnishes or reacts with 6.022 x 1023 H3O+ or OH- ions.

Evaporization

Vaporization of a liquid below its boiling point.

Conjugate Acid-base Pair

In Bronsted-Lowry terminology, a reactant and product that differ by a proton, H+.

Percent Purity

The percent of a specified compound or element in an impure sample.

DP number

The degree of polymerization, the average number of monomer units per polymer unit.

Supercooled Liquids

Liquids that, when cooled, apparently solidify but actually continue to flow very slowly under the influence of gravity e.g glass.

Law of Conservation of Matter

There is no detectable change in the quantity of matter during an ordinary chemical reaction.