Diamagnetic

Substances in whose atoms all electrons are paired. These materials are slightly repelled in a magnetic field.
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Chemical Glossary Terms

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Chemical Terms begining with D

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D.D.T (abbreviation for dichlorodiphenyltrichloroethane)

Very effective and persistent insecticide, which acts by ingestion or contact. Practically insoluble...

Electron donor

Atom of a substance that gives one pair of electrons to another to form a coordinated covalent bond

Proton donor

Substance that gives H + protons to another, the base, which captures them. It is an acid according ...

Decantation

Method of separation of immiscible liquids based on the density difference. In a separating funnel, ...

Deliquescence

Property that presents some substances very soluble in water to absorb water from the ambient air. T...

Biological Oxygen Demand: BOD

It serves as a measure of the level of organic waste in water that requires oxygen for its decomposi...

Density.

Amount of matter contained in the volume unit is measured, for example, in g / mL.

Deactivation

Process by which a chemical substance diminishes or loses all its capacity of reaction. This happens...

Decarboxylation

Reaction in which a carboxylic acid loses a molecule of carbon dioxide. This process is exothermic; ...

Decomposition

Chemical reaction consisting of obtaining two or more substances from a given compound. The process ...

Dehydration

Reaction of elimination of water in a molecule. Chemical reaction in which a compound loses hydrogen...

Dehydrogenation

Reaction that involves the loss of hydrogen. It is carried out at elevated temperatures and in the p...

Offshoring

Situation in which a pair of electrons of a covalent bond can not be associated to a certain area of...

Denaturing

Process that consists of the unfolding of the folded structure of the proteins, with which they lose...

Distillation

Method of separation of liquid solutions consisting of two consecutive changes of state: first, the ...

Fractional distillation

Separation of a mixture of two or more liquids that have boiling points close to each other. This se...

Detergent

Chemical product characterized by the property of modifying the surface tension of water, with which...

Deuterium

Isotope of hydrogen whose atomic nucleus consists of a proton and a neutron. It is also called heavy...

Dialysis

Process of separation of the solutes in a solution according to their speed of diffusion through a s...

Diamagnetic

Substances in whose atoms all electrons are paired. These materials are slightly repelled in a magne...

Diamond

Mineral formed by carbon belonging to the group of the native elements. It comes in the form of octa...

Diethylether

Colorless and highly volatile liquid, it is flammable and its vapors mixed with air can explode. It ...

Potential difference.

Measurement of the tendency of a cell, battery or other device to force the electrons to circulate t...

Diffusion

Movement originated between the particles inside a mixture of gases or a liquid solution tending to ...

Diffusion

Process by which a flow of particles (atoms, ions or molecules) from a region of higher concentratio...

Dihydrate

A compound that contains two water molecules in its crystalline structure.

Dilution

Process by which the proportion of solvent is increased with respect to the solute, so that the conc...

Dimer

Double molecule resulting from the chemical combination between two molecules of the same substance.

Link dipole.

Vector representing the polarity of a link. It is directed towards the most electronegative atom.

Disaccharide

Molecule consisting of two monosaccharides linked by a glycosidic bond. Sucrose, lactose, and maltos...

Dissociation.

Separation of a compound in two or more generally ionic species. For example, ammonium acetate, NH4C...

Dissolution

Homogeneous mixture of two or more substances, with variable composition up to a certain limit and e...

Solvent

Substance that performs the process of dissolution and is generally in greater proportion. The physi...

Dysprosium

Chemical element of symbol Dy, belonging to the series of lanthanides, of atomic number 66 and atomi...

Double coordinated links

Part of a molecule that in its carbon chain alternating simple and double bonds. Example - C = C - C...

Dubnio

Chemical element of symbol Db, belonging to group 5 of the periodic table, of atomic number 105. It ...

Hardness.

Resistance of a material to the fracture. In the scale of Mosh, the hardest material is the diamond,...

Temas de química mas buscados

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Pinzas de laboratorio

Son un tipo de sujeción ajustable, generalmente de metal, que forma parte del equipamento de laboratorio, mediante la ...

¿Que es la Química? Química General

¿Qué es la Química General? La química general es la base de todas las químicas y en el...

Noticias de Química

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Incremento de estudios online en el área científica

El mundo de la ciencia ha cambiado significativamente en los últimos años debido al av...

La importancia de estudiar química

La importancia de estudiar química La química es una de las ciencias fundamentales ...

¿Qué es un manipulador de alimentos?

¿Qué es un manipulador de alimentos? Un manipulador de alimentos es una persona que tr...

Cómo estudiar química según Sergio Jacinto Gil García

La química es la ciencia que se encarga de estudiar las propiedades, composición y tra...

Tierras raras

El nombre de tierras raras se ha dado a un conjunto de 17 elementos químico como lo son:...

Tipos de plásticos de la industria química

Los plásticos son materiales duraderos, ligeros y fáciles de modificar ya que est&aacu...

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