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A Ligand that exerts a weak crystal or ligand field and ge- nerally forms high spin complexes with metals.

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Photon

A packet of light or electromagnetic radiation, also called quantum of light.

 

Extrapolate

To estimate the value of a result outside the range of a series of known values. Technique used in standard additions calibration procedure.

Haber Process

A process for the catalyzed industrial production of ammonia from N2 and H2 at high temperature and pressure.

Excited State

Any state other than the ground state of an atom or molecule.

Insulator

Poor electric and heat conductor.

Absorption Spectrum

Spectrum associated with absorption of electromagnetic radiation by atoms (or other species) resulting from transitions from lower to higher energy states. An absorption spectrum is the inverse of an emission spectrum.

Combination Reaction

Reaction in which two substances (elements or compounds) combine to form one compound.

Electroplating

Plating a metal onto a (cathodic) surface by electrolysis.

Tyndall Effect

The scattering of light by colloidal particles.

Levorotatory

Refers to an optically active substance that rotates the plane of plane polarized light counterclockwise, also called levo.