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A compound formed by interaction of sucrose with a metallic oxide, usually lime, and useful in the purification of sugar.

 

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Aryl Group

Group of atoms remaining after a hydrogen atom is removed from the aromatic system.

Sublimation

The direct vaporization of a sold by heating without passing through the liquid state.

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.

Distilland

The material in a distillation apparatus that is to be distilled.

Film badge

A small patch of photographic film worn on clothing to detect and measure accumulated incident ionizing radiation.

Geometrical Isomers

Compounds with different arrangements of groups on either side of a bond with restricted rotation, such as a double bond or a single bond in a ring, for example cis-trans isomers of certain alkenes. Stereoisomers that are not mirror images of each other, also known as position isomers.

Bronsted-Lowry Base

A proton acceptor

Tetrahedral

A term used to describe molecules and polyatomic ions that have one atom in center and four atoms at the corners of a tetrahedron.

Molecular Orbital

An orbit resulting from overlap and mixing of atomic orbitals on different atoms. An MO belongs to the molecule as a whole.

Galvanizing

Placing a thin layer of zinc on a ferrous material to protect the underlying surface from corrosion.