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The temperature above which a gas cannot be liquefied, the temperature above which a substance cannot exhibit distinct gas and liquid phases.

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Metal

An element below and to the left of the stepwise division (metalloids) in the upper right corner of the periodic table, about 80% of the known elements are metals.

Molecular Equation

Equation for a chemical reaction in which all formulas are written as if all substances existed as molecules, only complete formulas are used.

Oxidation-reduction Reactions

Reactions in which oxidation and reduction occur, also called redox reactions.

Chemical Equation

Description of a chemical reaction by placing the formulas of the reactants on the left and the formulas of products on the right of an arrow.

Miscibility

The ability of one liquid to mix with (dissolve in) another liquid.

Amine Complexes

Complex species that contain ammonia molecules bonded to metal ions.

20 interesting chemistry facts

20 interesting chemistry facts.

Saponification

Hydrolysis of esters in the presence of strong soluable bases.

Concentration

Amount of solute per unit volume or mass of solvent or of solution.

xylene

Any of three oily, colorless, water-insoluble, flammable, toxic, isomeric liquids, C8H10, of the benzene series, obtained mostly from coal tar: used chiefly in the manufacture of dyes.