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A Compound of the general formula R-C-O-R1 where R and R1 may be the same or different, and may be either aliphatic or aromatic.

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Optical Isomers

Stereoisomers that differ only by being nonsuperimposable mirror images of each other, like right and left hands, also called enantiomers.

Chemical Hygiene Officer (CHO)

A person or employee who is qualified by training or experience to provide technical guidance in the development and implementations of the provisions of a Chemical Hygiene Plan (CHP)

Critical Mass

The minimum mass of a particular fissionable nuclide in a given volume required to sustain a nuclear chain reaction.

Vapor

A gas formed by boiling or evaporating a liquid.

Pauli Exclusion Principle

No two electrons in the same atom may have identical sets of four quantum numbers.

Voltaic Cells

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

 

Valence Electrons

Outermost electrons of atoms, usually those involved in bonding.

Fat

Solid triester of glycerol and (mostly) saturated fatty acids.

Daughter Nuclide

Nuclide that is produced in a nuclear decay.

 

Electrode Potentials

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