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A molecular orbital higher in energy than any of the atomic orbitals from which it is derived, lends instability to a molecule or ion when populated with electrons, denoted with a star (*) superscript or symbol.

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Weak Field Ligand

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

Adsorption

Adhesion of a species onto the surfaces of particles.

Oxidation-reduction Reactions

Reactions in which oxidation and reduction occur, also called redox reactions.

Temperature

A measure of the intensity of heat, i.e. the hotness or coldness of a sample. or object.

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Chemistry & Environmental Dictionary - Contains definitions for many chemistry, environmental and other related technical terms and acronyms.
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Surface Tension

It is the force in dynes acting along the surface of the liquid 1cm in length and perpendicular to it.

Law of Conservation of Matter and Energy

The total amount of matter and energy available in the universe is fixed.

Deuterium

An isotope of hydrogen whose atoms are twice as massive as ordinary hydrogen,deuterion atoms contain both a proton and a neutron in the nucleus.

K Capture

Absorption of a K shell (n=1) electron by a proton as it is converted to a neutron.

Specific Rate Constant

An experimentally determined (proportionality) constant, which is different for different reactions and which changes only with temperature, k in the rate-law expression: Rate = k [A] x [B]v.