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A proton acceptor

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Solvent

The dispersing medium of a solution.

Solvation

The process by which solvent molecules surround and interact with solute ions or molecules.

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.

Chain Reaction

A reaction that, once initiated, sustains itself and expands. This is a reaction in which reactive species, such as radicals, are produced in more than one step. These reactive species, radicals, propagate the chain reaction.

 

Sigma Bonds

Bonds resulting from the head-on overlap of atomic orbitals, in which the region of electron sharing is along and (cylindrically) symmetrical to the imaginary line connecting the bonded atoms.

Crystal Field Stabilization Energy

A measure of the net energy of stabilization gained by a metal ion's nonbonding d electrons as a result of complex formation.

Photoelectric Effect

Emission of an electron from the surface of a metal caused by impinging electromagnetic radiation of certain minimum energy, current increases with increasing intensity of radiation.

 

Percent Composition

The mass percent of each element in a compound.

Amino Acid

Compound containing both an amino and a carboxylic acid group.The --NH2 group.

Meniscus

The shape assumed by the surface of a liquid in a cylindrical container.