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Any species that can make available a share in an electron pair.

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Alkylbenzene

A compound containing an alkyl group bonded to a benzene ring.

Hydrolysis Constant

An equilibrium constant for a hydrolysis reaction.

Square Planar Complex

Complex in which the metal is in the center of a square plane, with ligand donor atoms at each of the four corners.

Reaction Quotient

The mass action expression under any set of conditions (not necessarily equlibrium), its magnitude relative to K determines the direction in which the reaction must occur to establish equilibrium.

Bomb Calorimeter

A device used to measure the heat transfer between system and surroundings at constant volume.

Spectral Line

Any of a number of lines corresponding to definite wavelengths of an atomic emission or absorption spectrum, represents the energy difference between two energy levels.

 

Bronsted-Lowry Acid

A proton donor.

Ore

A natural deposit containing a mineral of an element to be extracted.

Binary Compound

A compound consisting of two elements, may be ionic or covalent.

Covalent Compounds

Compounds containing predominantly covalent bonds.