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Derivatives of ammonia in which one or more hydrogen atoms have been replaced by organic groups.

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xylan

The pentosan occurring in woody tissue that hydrolyzes to xylose: used as a source of furfural.

Galvanizing

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

 

Alkaline Earth Metals

Group IIA metals

Donor Atom

A ligand atom whose electrons are shared with a Lewis acid.

Formula Weight

The mass of one formula unit of a substance in atomic mass units.

 

Electronic Transition

The transfer of an electron from one energy level to another.

Proton

A subatomic particle having a mass of 1.0073 amu and a charge of +1, found in thew nuclei of atoms.

Accuracy

How closely a measured value agrees with the correct value.

ytterbium

A rare metallic element found in gadolinite and forming compounds resembling those of yttrium. Symbol: Yb, at. wt.: 173.04, at. no.: 70, sp. gr.: 6.96. Cf."rare-earth element."

 

Ionization Isomers

Isomers that result from the interchange of ions inside and outside the coordination sphere.