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A Lewis base in a coordination compound.

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Use of diamonds

Diamond is a crystalline modification of pure carbon formed in the deep interior of the Earth, in the upper mantle at depths of more than 80-100 kilometers, at exceptionally high pressure and temperature. It is the most precious stone, the hardest and most wear-resistant mineral, the most brilliant and timeless gem.

Buret

A piece of volumetric glassware, usually graduated in 0.1-mL intervals, that is used to deliver solutions to be used in titrations in a quantitative (dropwise) manner.

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.

Pauli Exclusion Principle

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

xanthene dye

Any of a group of dyes having a molecular structure related to that of xanthene in which the aromatic (C6H4) groups are the chromophore.

 

Cis-Trans Isomerism

A type of geometrical isomerism related to the angles between like ligands.

Oxidation

An algebraic increase in the oxidation number, may correspond to a loss of electrons.

Homogeneous Equilibria

Equilibria involving only one species in a single phase. For example, all gases, all liquids or all solids.

DP number

The degree of polymerization, the average number of monomer units per polymer unit.

Freezing Point Depression

The decrease in the freezing point of a solvent caused by the presence of a solute.ing Point