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

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Radical

An atom or group of atoms that contains one or more unpaired electrons (usually very reactive species)

Central Atom

An atom in a molecule or polyatomic ion that is bonded to more than one other atom.

Oxidation-reduction Reactions

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

Degenerate

Of the same energy.

xylic acid

Any of six colorless, crystalline, isomeric acids having the formula C9H10O2, derived from xylene.

Law of Conservation of Matter and Energy

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

Secondary Standard

A solution that has been titrated against a primary standard. A standard solution is a secondary standard.

 

Reaction Stoichiometry

Description of the quantitative relationships among substances as they participate in chemical reactions.

Molecular Formula

Formula that indicates the actual number of atoms present in a molecule of a molecular substance.

Polarimeter

A device used to measure optical activity.