We explain what a compound is and some examples of this term. Also, the meaning of compound in various areas.

A compound is made up of molecules or ions.

What is composite?

In chemistry a compound is called a substance that is made up of two or more elements of the periodic table. The word compound comes from Latin composĭtus. We can speak of something being "made up of" to point out what things make up something.

Chemical compounds have a chemical formula. A chemical compound is made up of molecules or ions that are stably bound. The chemical elements that make up a chemical compound cannot be separated with any physical treatment or process, but only with some chemical method.

A chemical compound should not be confused with a mixture (material formed by two or more components not chemically combined) or a alloy (mixture of two or more components where at least one is a metal). The components of a mixture or an alloy can be separated using physical separation methods such as filtration, the distillation, the decantation and the evaporation.

Chemical compounds are classified as organic and inorganic:

Inorganic compounds. The inorganic chemistry is the branch of chemistry that deals with studying the properties and reactions of inorganic compounds, which can be classified as:

  • Acidic oxides. They are non-metallic oxides. They are formed by a non-metal and oxygen. For example: Dichloro trioxide (Cl2O3) and sulfur dioxide (SO2).
  • Basic oxides. They are metallic oxides. They are composed of a metal and oxygen. For example: calcium oxide (CaO) and iron (III) oxide (Fe2O3).
  • Hydrides They are made up of a chemical element and hydrogen. They can be metallic and non-metallic. For example: Calcium hydride (CaH2) and hydrogen fluoride (HF (g)).
  • Hydracids. They are non-metallic hydrides that dissolved in Water they become acids. For example: hydrofluoric acid (HF (aq)) and hydrochloric acid (HCl (aq)).
  • Hydroxides They are produced by the reaction of a basic oxide and water. For example: sodium hydroxide (NaOH) and magnesium (II) hydroxide (Mg (OH) 2).
  • Oxacids. They are produced by the reaction of an acid oxide and water. For example: Sulfuric acid (H2SO4) and perchloric acid (HClO4).
  • Binary salts. They are produced by the reaction between a hydracid and a hydroxide. For example: sodium chloride (NaCl) and iron (III) chloride (FeCl3).
  • Oxisales. They are produced by the reaction between an oxacid and a hydroxide. For example: iron (II) sulfate (FeSO4) and iron (III) sulfate (Fe2 (SO4) 3).

Organic compounds. The organic chemistry is the field of chemistry in charge of studying the properties and reactions of organic compounds, which can be classified into:

  • Aliphatic compounds. They are made up of carbon and hydrogen. They are not aromatic. For example:
  • Aromatic compounds. They are very stable cyclic organic compounds that have alternating single and multiple (double or triple) bonds in their structure. They are conjugated compounds, so named because of their structure. For example:
  • Heterocyclic compounds. They are cyclic organic compounds in which at least one atom of the cycle is different from carbon. For example:
  • Organometallic compounds. They are organic compounds in which carbon atoms form covalent bonds with metallic atoms. For example:
  • Polymers. Are macromolecules formed by the union of smaller molecules called monomers. For example, him DNA.

Grammar. Compound words are those that are made up of simple terms. For example: remote-control.

  • Botany. The plants compound are those with simple leaves and flowers grouped in a common receptacle.
  • Economy. The interest compound is the money, profit or the utility of a capital initial at an interest rate for a certain period of time in which upon completion the interest generated is reinvested.
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