chemistry terms library
Chemistry terms are used to describe the various chemical elements, compounds, processes and tests. Whether you're in the classroom or the lab, chemistry terms are necessary for proper communication. Click here to check out some great chemistry articles.
Featured Article: Isomers
Isomers, In chemistry, isomers are two or more compounds that contain the same number and kinds of atoms, but have different physical or chemical characteristics. See more »
Additive
Additive, a chemical substance added to a material—usually in small amounts—to impart or enhance desirable properties or to lessen or suppress undesirable properties.
See more »Alchemy
Alchemy, an ancient experimental science, dealing mainly with metallurgy, that was the forerunner of chemistry.
See more »Allotropy
Allotropy, the property that certain chemical elements have of existing in two or more different forms in the same physical state (gas, liquid, or solid).
See more »Alnico
Alnico, any of several magnetic alloys composed of iron, aluminum, nickel, and cobalt.
See more »Banana Oil
Banana Oil, a colorless, man-made liquid chemical with the odor of bananas. It is used in flavorings; as a solvent for certain lacquers and paints; in the manufacture of film; in the production of artificial pearls, rayon, artificial leather, and paints; and in the extraction of penicillin.
See more »Blowpipe
Blowpipe, a tube through which a steady stream of air is blown. Short, tapered blowpipes of brass or glass are used by chemists and mineralogists to blow air into an alcohol or gas flame.
See more »Boiling
Boiling, the process of changing a liquid into a vapor by the application of heat.
See more »Bunsen Burner
Bunsen Burner, a gas burner used widely in scientific laboratories. One of the scientist's basic tools, it is used for heating chemicals, boiling water, sterilizing small objects, preparing microscopic slides, bending glass tubing, and for many other purposes.
See more »Celluloid
Celluloid, a tough thermoplastic made from cellulose. It can be easily molded when heated.
See more »Collodion
Collodion, a solution of cellulose nitrate in alcohol and ether. Collodion is a dense, colorless, and usually transparent liquid.
See more »Colloid
Colloid, a mixture consisting of tiny particles dispersed in a solid, liquid, or gas.
See more »Decay
Decay, the breaking down, or decomposing, of dead tissue or organic matter into simpler chemical compounds.
See more »Density
Density, the ratio of the mass of a substance to its volume. The greater the mass per given volume, the greater is the density.
See more »Dispersion
Dispersion. In chemistry, a dispersion is a mixture consisting of small particles of one substance distributed throughout another.
See more »Electrochemistry
Electrochemistry, the branch of chemistry concerned with the relationship between electricity and chemical changes.
See more »Electromotive
Electromotive (or Displacement) Series, a listing of chemical elements, usually of metals, in order of their decreasing ability to give up electrons when immersed in an electrically conducting solution.
See more »Emulsion
Emulsion, a mixture of two liquids that ordinarily do not combine, such as oil and water.
See more »Enzymes
Enzymes, complex proteins produced by all living things. They play an important role in nearly all the chemical reactions that take place in organisms by acting as catalysts.
See more »Explosive
Explosive, a substance that will burn up or decompose almost instantly, producing intense heat and a large volume of expanding gas.
See more »Flame
Flame, a brightly burning mixture of gases. In an ordinary flame, the gas of a fuel combines with oxygen in the air, and light and heat are produced.
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