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Potentials, E, of half-reactions as reductions versus the standard hydrogen electrode.

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Homogeneous Equilibria

Equilibria involving only one species in a single phase. For example, all gases, all liquids or all solids.

Allotropes

Different forms of the same element in the same physical state.

Chemical Equation

Description of a chemical reaction by placing the formulas of the reactants on the left and the formulas of products on the right of an arrow.

Boron Hydrides

Binary compounds of boron and hydrogen.

Equivalence Point

The point at which chemically equivalent amounts of reactants have reacted.

Greenhouse Effect

Trapping of heat at the surface of the earth by carbon dioxide and water vapour in the atmosphere.

Inert s-pair Effect

Characteristic of the post-transition minerals, tendency of the outermost s electrons to remain nonionized or un shared in compounds.

Denaturation

A process pertaining to a change in structure of a protein form regular to irregular arrangement of the polypeptide chains.

Mass Deficiency

The amount of matter that would be converted into energy if an atom were formed from constituent particles.

Isotopes

Two or more forms of atoms of the same element with different masses, atoms containing the same number of protons but different numbers of neutrons.