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The Chemical Glossary currently has 651 chemical entries. You may search the Chemical Glossary by entering the keyword in the search box or by browsing the entire chemical glossary by letter in alphabetical order.

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Corrosion

Oxidation of metals in the presence of air and moisture.

Element

A substance that cannot be decomposed into simpler substances by chemical means.

Formal Charge

A method of counting electrons in a covalently bonded molecule or ion, counts bonding electrons as though they were equally shared between the two atoms.

Particulate Matter

Fine divided solid particles suspended in polluted air.

Critical Point

The combination of critical temperature and critical pressure of a substance.

Linkage Isomers

Isomers in which a particular ligand bonds to a metal ion through different donor atoms.

 

Oil

Liquid triester of glycerol and unsaturated fatty acids.

Thermal Cracking

Decomposition by heating a substance in the presence of a catalyst and in the absence of air.

 

Complex Ions

Ions resulting from the formation of coordinate covalent bonds between simple ions and other ions or molecules.

Hydrocarbons

Compounds that contain only carbon and hydrogen.