chemical compounds library

 

Chemical compounds are substances that form when two or more elements are joined together. Most of the atoms that form living organisms and the Earth's crust are in compound form. Check out these great articles on chemical compounds.

Featured Article:  Hydrogen Sulfide

Hydrogen Sulfide, a compound of hydrogen and sulfur. This highly poisonous gas has the odor of rotten eggs. See more »

Why is carbon monoxide poisonous?

Why is carbon monoxide poisonous?

I have heard that carbon monoxide is extremely poisonous. Can you explain why?

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Acid

Acid, a chemical compound that is capable of releasing hydrogen ions (electrically charged hydrogen atoms) for a chemical reaction.

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Aldehyde

Aldehyde, any chemical compound that contains an aldehyde group (one carbon atom, one hydrogen atom, and one oxygen atom).

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Alkali

Alkali, an inorganic chemical compound that functions as a base (the opposite of an acid).

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Alkaloid

Alkaloid, a chemical substance of plant origin composed of carbon, hydrogen, nitrogen, and (usually) oxygen.

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Alum

Alum, a chemical compound of two sulfates and water. (A sulfate is a compound of sulfur, oxygen, and one or more other elements.) One of the two sulfates usually contains aluminum, but it can be any other metal with a valence of 3, such as chromium or iron.

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Amine

Amine, an organic compound derived from ammonia. In an amine molecule, at least one of the hydrogen atoms of the ammonia molecule (NH3) is replaced by an organic radical (a group of atoms that acts as a single element).

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Ammonia

Ammonia, an industrially important chemical compound of nitrogen and hydrogen. At ordinary temperatures and pressures, ammonia is a colorless gas about three-fifths as heavy as air.

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Anhydride

Anhydride, a chemical compound that can be formed by removing water from another compound.

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Base

Base, a chemical compound that is capable of accepting hydrogen ions from another substance.

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Benzine

Benzine, a colorless, flammable liquid obtained by the distillation of petroleum.

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Boric Acid

Boric Acid, a crystalline chemical compound of boron, oxygen, and hydrogen: it is also known as boracic acid and orthoboric acid.

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Calomel

Calomel, a white, powdery chemical compound of mercury and chlorine; it is also called mercurous chloride.

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Carbon Dioxide

Carbon Dioxide, a colorless, odorless gas composed of carbon and oxygen. Carbon dioxide does not burn nor does it support the combustion of most other substances.

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Carbon Disulfide

Carbon Disulfide, or Carbon Bisulfide, a compound of carbon and sulfur. It is a heavy, transparent, poisonous liquid.

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Chemical Lime

Lime, a white powdery substance obtained from limestone, coral, oyster shells, and other substances containing calcium carbonate.

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Chloride

Chloride, a chemical compound formed by the reaction of hydrochloric acid or hydrogen chloride with a metal or certain other substances.

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Chloroform

Chloroform, a heavy, transparent, colorless liquid compound composed of carbon, hydrogen, and chlorine.

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Citric Acid

Citric Acid, a white, crystalline acid with a taste like that of lemon juice. It is extracted from the juice of citrus fruits such as lemons, oranges, limes, and grapefruit.

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Cyanide

Cyanide, a compound formed by the union of a metal or hydrogen with the poisonous gas cyanogen.

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