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Encyclopedia > Sodium salt

In chemistry, salt is a term used for ionic compounds composed of positively charged cations and negatively charged anions, so that the product is neutral and without a net charge. These ions can be inorganic (Cl-) as well as organic (CH3-COO-) and monoatomic (F-) as well as polyatomic ions (SO42-). Chemistry (in Greek: χημεία) is the science of matter that deals with the composition, structure, and properties of substances and with the transformations that they undergo. ... In chemistry, an ionic compound is a chemical compound in which ions are held together in a lattice structure by ionic bonds. ... Charge is a word with many different meanings. ... A cation is an ion with positive charge. ... An anion is an ion with negative charge. ... Neutral means balanced between two or more opposites. ... An inorganic compound is a chemical compound not containing carbon and hydrogen atoms bonded to each other. ... Organic chemistry is the scientific study of the structure, properties, composition, reactions, and synthesis of organic compounds that by definition contain carbon. ... A polyatomic ion is an ion consisting of a molecule with covalently bonded atoms or of a metal complex that can be considered as acting as a single unit in the context of acid/base chemistry or in the formation of salts. ...


Solutions of salts in water are called electrolytes. Electrolytes as well as molten salts conduct electricity. An electrolyte is a substance which dissociates free ions when dissolved (or molten), to produce an electrically conductive medium. ... Lightning strikes during a night-time thunderstorm. ...


Zwitterions are salts that contain an anionic center and a cationic center in the same molecule, examples are the amino acids, many metabolites, peptides, and proteins. A zwitterion (from German Zwitter — hybrid, hermaphrodite) is a compound with acidic and basic groups in the same molecule. ... A molecule is something that Lelea has in her room in Chase. ... In chemistry, an amino acid is any molecule that contains both amino and carboxylic acid functional groups. ... A metabolite is the product of metabolism. ... Peptides (from the Greek πεπτος, digestable), are the family of molecules formed from the linking, in a defined order, of various amino acids. ... A representation of the 3D structure of myoglobin, showing coloured alpha helices. ...


Mixtures of many different ions in solution like in the cytoplasm of cells, in blood, urine, plant saps, and mineral waters usually do not form defined salts after evaporation of the water. Therefore their salt content is given for the respective ions. The cytoplasm is a jelly-like material, made up of mostly water, that fills the cell. ... Cells in culture, stained for keratin (red) and DNA (green) The cell is the structural and functional unit of all living organisms, sometimes called the building blocks of life. ... Red blood cells (erythrocytes) are present in the blood and help carry oxygen to the rest of the cells in the body Blood is a circulating tissue composed of fluid plasma and cells (red blood cells, white blood cells, platelets). ... Urine is liquid waste excreted by the kidneys and eventually expelled from the body in a process known as urination. ... Mineral water is water containing minerals or other dissolved substances that alter its taste or give it therapeutic value. ...


Impure salt is a name for salt which has lost its saltiness. It can also refer to natron. Natron is a crystalline hygroscopic mixture of sodium bicarbonate and sodium carbonate used in Egyptian mummification. ...

Contents


Appearance

Consistency

Salts are usually solid crystals with a relatively high melting point. However, there exist salts that are liquid at room temperature, so-called ionic liquids. Inorganic salts usually have a low hardness and a low compressibility, similar to table salt. Quartz crystal A crystal is a solid in which the constituent atoms, molecules, or ions are packed in a regularly ordered, repeating pattern extending in all three spatial dimensions. ... The melting point of a solid is the temperature at which it changes state from solid to liquid. ... An ionic liquid is a liquid that contains only ions. ... Edible salt is a mineral, one of the few rocks people eat. ...


Color

Salts can be clear and transparent (sodium chloride), opaque (titanium dioxide), and even metallic and lustrous (iron disulfide). See: transparency (optics) alpha compositing GIF#Transparency transparency (overhead projector) market transparency transparency (telecommunication) transparency (computing) For X11 pseudo-transparency, see pseudo-transparency. ... A substance or object that is opaque is neither transparent nor translucent. ... Titanium dioxide, also known as titanium(IV) oxide or titania, is the naturally occurring oxide of titanium, chemical formula TiO2. ... The mineral pyrite, or iron pyrite, is iron disulfide, FeS2. ...


Salts exist in all different colors, e.g. yellow (sodium chromate), orange (sodium dichromate), red (mercury sulfide), mauve (cobalt dichloride hexahydrate), blue (copper sulfate pentahydrate, ferric hexacyanoferrate), green (nickel oxide), colorless (magnesium sulfate), white (titanium dioxide), and black (manganese dioxide). Most minerals and inorganic pigments as well as many synthetic organic dyes are salts. Colour is an important part of the visual arts. ... Yellow is the color of light with a wavelength between 565 nm and 590 nm. ... A Sample of Ammonium Dichromate Chromates and Dichromates are salts of chromic acid and dichromic acid, respectively. ... See also Orange (disambiguation) for other meanings of the word. ... Chromates and Dichromates are salts of chromic acid. ... Red is a color at the lowest frequencies of light discernible by the human eye. ... Cinnabar (German Zinnober), sometimes written cinnabarite, is a name applied to red mercury(II) sulfide (HgS), or native vermilion, the common ore of mercury. ... Mauve (French form of Malva, mallow) is a pale grayed pink-lilac color, one of many in the range of purples. ... This article is on the periodic element. ... For other uses, see Blue (disambiguation) Blue is one of the three primary additive colors; blue light has the shortest wavelength range (about 420-490 nanometres) of the three primary colors. ... Copper (II) sulfate (CuSO4) is the most common copper salt, made by the action of sulfuric acid on the base copper oxide. ... Prussian blue is a dark blue pigment used in paints and formerly in blueprints. ... Look up Green on Wiktionary, the free dictionary Green is a color seen commonly in nature. ... General Name, Symbol, Number nickel, Ni, 28 Chemical series transition metals Group, Period, Block 10, 4, d Appearance lustrous, metallic Atomic mass 58. ... Magnesium sulfate (commonly called Epsom salts or bitter salts in hydrated form) is a chemical compound with the formula MgSO4·7H2O. Origin Epsom salt was originally prepared by boiling down mineral waters at Epsom, England and afterwards prepared from sea water. ... White is a color (more accurately it contains all the colors of the visible spectrum and is sometimes described as an achromatic color—black is the absence of color) that has high brightness but zero hue. ... Titanium dioxide, also known as titanium(IV) oxide or titania, is the naturally occurring oxide of titanium, chemical formula TiO2. ... Black is a color with several subtle differences in meaning. ... Manganese(IV) oxide (MnO2) is a chemical compound also known as manganese dioxide or manganese oxide. ... Minerals are natural compounds formed through geological processes. ... In biology, pigment is any material resulting in color in plant or animal cells which is the result of selective absorption. ... A dye can generally be described as a coloured substance that has an affinity to the substrate to which it is being applied. ...


Taste

Different salts can elicit all five basic tastes, i.e. salty (sodium chloride), sweet (lead diacetate), sour (potassium bitartrate), bitter (magnesium sulfate), and umami or savory (monosodium glutamate). Human taste sensory organs, called taste buds or gustatory calyculi, concentrated on the upper surface of the tongue. ... General Name, Symbol, Number lead, Pb, 82 Chemical series poor metals Group, Period, Block 14, 6, p Appearance bluish white Atomic mass 207. ... General Name, Symbol, Number potassium, K, 19 Chemical series alkali metals Group, Period, Block 1, 4, s Appearance silvery white Atomic mass 39. ... Tartaric acid is a white crystalline organic acid. ... Human taste sensory organs, called taste buds or gustatory calyculi, and concentrated on the upper surface of the tongue, appear to be receptive to relatively few chemical species as tastes. ... Magnesium sulfate (commonly called Epsom salts or bitter salts in hydrated form) is a chemical compound with the formula MgSO4·7H2O. Origin Epsom salt was originally prepared by boiling down mineral waters at Epsom, England and afterwards prepared from sea water. ... Human taste sensory organs, called taste buds or gustatory calyculi, and concentrated on the upper surface of the tongue, appear to be receptive to relatively few chemical species as tastes. ... Monosodium glutamate, sodium glutamate or E 621 (International Union of Pure and Applied Chemistry [IUPAC] name: 2-Aminopentanedioic acid,2-Aminoglutaric acid,1-Aminopropane-1,3-dicarboxylic acid), commonly known as MSG, is a sodium salt of glutamic acid. ...


Odor

Pure salts are odorless, while impure salts may smell after the acid (e.g. acetates like acetic acid (vinegar), cyanides like hydrogen cyanide (almonds)) or the base (e.g. ammonium salts like ammonia). The vinegar in these bottles is infused with oregano. ... Binomial name Prunus dulcis (Mill. ... Ammonia is a compound of nitrogen and hydrogen with the formula NH3. ...


Nomenclature

The name of a salt starts with the name of the cation (e.g. sodium or ammonium) followed by the name of the anion (e.g. chloride or acetate). Salts are often referred to only by the name of the cation (e.g. sodium salt or ammonium salt) or by the name of the anion (e.g. chloride or acetate).


Common salt-forming cations are:

Common salt-forming anions (and the name of the parent acids in parenthese) are: Fumes from hydrochloric acid and ammonia forming a white cloud of ammonium chloride The Ammonium cation is a positively charged polyatomic ion of the chemical formula NH4+ and a molecular mass of 18. ... General Name, Symbol, Number calcium, Ca, 20 Chemical series alkaline earth metals Group, Period, Block 2, 4, s Appearance silvery white Atomic mass 40. ... General Name, Symbol, Number iron, Fe, 26 Chemical series transition metals Group, Period, Block 8, 4, d Appearance lustrous metallic with a grayish tinge Atomic mass 55. ... General Name, Symbol, Number magnesium, Mg, 12 Chemical series alkaline earth metals Group, Period, Block 2, 3, s Appearance silvery white Atomic mass 24. ... General Name, Symbol, Number potassium, K, 19 Chemical series alkali metals Group, Period, Block 1, 4, s Appearance silvery white Atomic mass 39. ... Categories: Stub ... Categories: Chemistry stubs ... General Name, Symbol, Number sodium, Na, 11 Chemical series alkali metals Group, Period, Block 1, 3, s Appearance silvery white Atomic mass 22. ...

Acetate, or ethanoate, is the anion of a salt or ester of acetic acid. ... The chemical compound acetic acid (from the Latin word acetum, meaning vinegar), systematically called ethanoic acid, is the acid that gives vinegar its sour taste and very pungent smell when at high concentrations. ... Carbonate is an anion with a charge of -2 and an empirical formula of CO32-. For an aqueous solution, carbonate exists in three forms. ... Carbonic acid is a carbon-containing acid with the formula H2CO3. ... The chloride ion is formed when the element chlorine picks up one electron to form the anion (negatively charged ion) Cl−. The salts of hydrochloric acid HCl contain chloride ions and are also called chlorides. ... The chemical substance hydrochloric acid is the aqueous (water-based) solution of hydrogen chloride (HCl) gas. ... The citrate ion can be written C3H5O(COO)33-, that is, citric acid minus three hydrogen ions. ... Citric acid is a weak organic acid found in citrus fruits. ... A cyanide is any chemical compound that contains the group C≡N, with the carbon atom triple bonded to the nitrogen atom. ... Hydrogen cyanide is a chemical compound with chemical formula H-C≡N. A solution of hydrogen cyanide in water is called hydrocyanic acid or prussic acid. ... Hydroxide is a polyatomic ion consisting of oxygen and hydrogen: −O−H It has a charge of −1. ... Water has the chemical formula H2O, meaning that one molecule of water is composed of two hydrogen atoms and one oxygen atom. ... Definition The nitrate ion is NO3-. A nitrate compound is one that contains this group, either an ionic compound, or an analogous covalent one. ... The chemical compound nitric acid (HNO3), otherwise known as aqua fortis, is a colorless, corrosive liquid, a toxic acid which can cause severe burns. ... Definition The nitrite ion is NO2-. A nitrite compound is one that contains this group, either an ionic compound, or an analogous covalent one. ... Nitrous acid weak monobasic acid known only in solution and in the form of nitrite salts. ... An oxide is a chemical compound of oxygen with other chemical elements. ... Water has the chemical formula H2O, meaning that one molecule of water is composed of two hydrogen atoms and one oxygen atom. ... In chemistry, a phosphate is a polyatomic ion or radical consisting of one phosphorus atom and four oxygen. ... Phosphoric acid, also known as orthophosphoric acid or phosphoric(V) acid, is a weak mineral acid with the chemical formula H3PO4. ... Sulfate is the IUPAC name for the SO42- ion, consisting of a central sulfur atom single bonded to four tetrahedrally oriented oxygen atoms. ... Sulfuric acid (British English: sulphuric acid), H2SO4, is a strong mineral acid. ...

Formation

Salts are formed by a chemical reaction between: A chemical reaction is a process involving one, two or more substances (called reactants), characterized by a chemical change and yielding one or more product(s) which are different from the reactants. ...

Salts can also form if solutions of different salts are mixed, their ions recombine, and the new salt is insoluble and precipitates (see: Solubility equilibrium). The common (Arrhenius) definition of a base is a chemical compound that either donates hydroxide ions or absorbs hydrogen ions when dissolved in water. ... An acid (often represented by the generic formula AH) is typically a water-soluble, sour-tasting chemical compound. ... Ammonia is a compound of nitrogen and hydrogen with the formula NH3. ... The chemical substance hydrochloric acid is the aqueous (water-based) solution of hydrogen chloride (HCl) gas. ... Ammonium chloride or Sal Ammoniac (chemically ammonium chloride (NH4Cl); also zalmiak, sal armagnac, sal armoniac, and salt armoniack) is, in its pure form, a clear white water-soluble crystalline salt with a biting taste. ... Metal - Wikipedia, the free encyclopedia /**/ @import /skins-1. ... An acid (often represented by the generic formula AH) is typically a water-soluble, sour-tasting chemical compound. ... General Name, Symbol, Number magnesium, Mg, 12 Chemical series alkaline earth metals Group, Period, Block 2, 3, s Appearance silvery white Atomic mass 24. ... Sulfuric acid (British English: sulphuric acid), H2SO4, is a strong mineral acid. ... Magnesium sulfate (commonly called Epsom salts or bitter salts in hydrated form) is a chemical compound with the formula MgSO4·7H2O. Origin Epsom salt was originally prepared by boiling down mineral waters at Epsom, England and afterwards prepared from sea water. ... General Name, Symbol, Number hydrogen, H, 1 Chemical series nonmetals Group, Period, Block 1, 1, s Appearance colorless Atomic mass 1. ... Solubility equilibrium describes the chemical equilibrium between solid and dissolved states of a compound. ...


References

  • Kurlansky, Mark (2002). Salt: A World History. Walker Publishing Company. ISBN: 0142001619

See also

Wikibooks Cookbook has more about this subject:
Look up Salt on Wiktionary, the free dictionary
Look up Desalt in Wiktionary, the free dictionary.

  Results from FactBites:
 
Salt - Wikipedia, the free encyclopedia (762 words)
Salts that contain a hydroxide ion are basic salts and salts that contain a hydrogen ion are acid salts.
Salt was also given to the parents of the groom in marriage until the 8th century.
Salting the earth is the deliberate massive use of salt to render a soil unsuitable for cultivation and thus discourage habitation.
Sodium chloride - Wikipedia, the free encyclopedia (1138 words)
Sodium chloride is the salt most responsible for the salinity of the ocean and of the extracellular fluid of many multicellular organisms.
There are thirty-two references to salt in the Bible, the most familiar probably being the story of Lot's wife, who was turned into a pillar of salt when she disobeyed the angels and looked back at the wicked city of Sodom (Genesis 19:26).
Salt is commonly used as a flavor enhancer for food and has been identified as one of the basic tastes.
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