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A nuclear reactor that produces more fissionable nuclear fuel than it consumes.

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xenon trioxide

A colorless, nonvolatile solid, XeO3, explosive when dry: in solution it is called xenic acid.

Antibonding Orbital

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.

Atomic Orbital

Region or volume in space in which the probability of finding electrons is highest.

Ion Product for Water

Equilibrium constant for the ionization of water, Kw = [H3O+][OH-] =1.00 x 10-14 at 25 °C.

Voltaic Cells

Electrochemical cells in which spontaneous chemical reactions produce electricity, also called galvanic cells.

 

Heavy Water

Water containing deuterium, a heavy isotope of hydrogen.

Basic Anhydride

The oxide of a metal that reacts with water to form a base.

Supercritical Fluid

A substance at temperature above its critical temperature.

Dipole

Refers to the separation of charge between two covalently bonded atoms.

Periodic Table

An arrangement of elements in order of increasing atomic numbers that also emphasizes periodicity.