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Ana Sayfa > alkali metaller nedir, alkali metaller ne demek (alkali metaller nnd)

alkali metaller nedir, alkali metaller ne demek?

alkali metaller

  1. Oksitlenmelerini sodyum, lityum, potasyum, rubidyum, sezyum elementlerinin sağladığı metaller.
  2. Öğeler Dizgesinin IA kümesinde bulunan Ve emk dizisinde görece daha eksi elektrot potansiyeli gösteren Li, Na, Cs gibi metaller.
  3. (en) Alkali metals.

alkali   US UK (nedir ne demek)

  1. Metallerin hidroksitleriyle amonyum hidroksitin genel adı.
  2. Alkali metallerin hidroksitleriyle amonyum hidroksitin genel adı.
  3. Suda eriyebilen ve hidroksit iyonları oluşturan kimyasal özdek.
  4. Bkz. baz.
  5. Ph değerleri 7.0' den büyük olupasitlerle tuz oluşturabilen ve sulu çözeltileri acı tat veren kimyasal maddelerin genel adı, baz.
  6. Çözündüğü zaman hidroksil iyonları veren, suda eriyen baz bileşik.
  7. (en) Soda ash; caustic soda, caustic potash, etc.
  8. (en) One of a class of caustic bases, such as soda, potash, ammonia, and lithia, whose distinguishing peculiarities are solubility in alcohol and water, uniting with oils and fats to form soap, neutralizing and forming salts with acids, turning to brown several vegetable yellows, and changing reddened litmus to blue.
  9. (en) Base.
  10. (en) In glassmaking, a soluble salt consisting mainly of potassium carbonate or sodium carbonate It is one of the essential ingredients of glass, generally accounting for about 15-20 percent of the batch The alkali is a flux, which reduces the melting point of the major constituent of glass, silica.
  11. (en) In chemistry, a substance capable of forming hydroxyl ions when dissolved in water Alkaline materials may be added to materials to neutralise acids or as an alkaline reserve or buffer for the purpose of counteracting acids which may form in the future While a number of chemicals may be used as alkaline buffers, the most common used in paper conservation are magnesium carbonate or calcium carbonate Alkalis can be neutralised by an acid to form a salt.
  12. (en) Any substance having basic properties In a restricted sense it is applied to the hydroxides of ammonium, lithium, potassium and sodium Alkaline materials in lubricating oils neutralize acids to prevent acidic and corrosive wear in internal combustion engines.
  13. (en) Same as Base A substance which dissolves in water and releases a hydroxyl ion ; it has the ability to neutralize an acid and form a salt Strong alkalis are irritating and may damage tissue.
  14. (en) Chemical that: 1) is usually corrosive to human tissue and must be handled with care; 2) has a pH of more than 7 0; 3) neutralizes acids to form salts; 4) dissociates in water yielding hydroxide ions; 5) turns litmus paper blue; and 6) may also be called a base or caustic Common commercial alkalis are sodium carbonate , caustic soda and caustic potash, lime, lye, waterglass, regular mortar, Portland cement, and bicarbonate of soda See Acid; Base; pH.
  15. (en) Mineral salt found in soil.
  16. (en) Any compound having highly basic properties; i e , one that readily ionizes in aqueous solution to yield OH anions, with a pH above 7 0, and turns litmus paper blue Common commercial alkalis are sodium carbonate , caustic soda and caustic potash, lime, lye, waterglass, regular mortar, portland cement, and bicarbonate of soda.
  17. (en) Soluble hydroxide of a metal substance which can be used to neutralizes acids.
  18. (en) Any strongly basic substance of hydroxide and carbonate, such as soda, potash, etc , that is soluble in water and increases the pH of a solution.
  19. (en) Substance that is the chemical opposite of an acid.
  20. (en) Historically, a compound that neutralizes acids Now known as a base.
  21. (en) An alkaline, or 'basic,' chemical substance such as lime or lye Generally present in fresh cement, concrete, or plaster.
  22. (en) Chemical substance which effectively neutralizes acid material so as to form neutral salts A base The opposite of acid Examples are ammonia and caustic soda.
  23. (en) Molecular or ionic substance that can combine with a proton to produce a new compound A compound having highly basic properties, that readily ionises in aqueous solutions to yield OH anions, with a pH of above.
  24. (en) Alkali.
  25. (en) Alcali.
  26. (en) Soluble mineral matter, other than common salt, contained in soils of natural waters.
  27. (en) Mixture of soluble salts found in arid soils and some bodies of water; detrimental to agriculture.
  28. (en) Any chemical substance that forms soluble soaps with fatty acids Alkalis are also referred to as bases They may cause severe burns to the skin Alkalis turn litmus paper blue and have pH values from 8 to l4.
  29. (en) Also called base - A Class of compounds which will react with an acid to give a salt Alkali is the opposite of acid.
  30. (en) Any of various BASEs, which neutralize ACID to form SALT Bases are important in maintaining the chemical balance in a BIOGAS DIGESTER F - alcali S - alcali.
  31. (en) Soluble mineral salt.
  32. (en) An acid-neutralizing substance.
  33. (en) Any substance that in water solution is bitter, more or less irritating, or caustic to the skin Strong alkalies in solution are corrosive to the skin and mucous membranes.
  34. (en) Soluble mineral salt or a mixture of soluble salts, present in some soils, esp in arid regions, and detrimental to the growing of most crops.
  35. (en) Substance which neutralizes acids; calcium, potassium or sodium.
  36. (en) Any base or hydroxide having the following properties: solubility in water, the power of neutralizing acids, and the property of altering the tint of many coloring matters.
  37. (en) Any chemical substance that forms soluble soaps with fatty acids Alkalis are also referred to as bases They may cause severe burns to the skin Alkalis turn litmus paper blue and have pH values from 8 to 14.
  38. (en) Any of various water-soluble compounds capable of turning litmus blue and reacting with an acid to form a salt and water; 'bases include oxides and hydroxides of metals and ammonia'.
  39. (al) Alkali
  40. (fr) Alcali
  41. Alkali, kalevi
  42. Alkali, baz, alkali metal

baz (nedir ne demek)

  1. Temel, esas.
  2. Taban.
  3. Bir asitle birleştiğinde bir tuz oluşturan madde, esas.
  4. Bk. taban
  5. Alkali
  6. Nükleotid yapısını oluşturan moleküller.
  7. Herhangi bir şeyin temeli veya en küçük parçası, bileşiğin ana maddesi.
  8. Kimyada tuzun asit olmayan kısmı veya tuzların oluşumu için asitlerle birleşmiş madde veya bir çözeltide hidrojen iyonu (proton) alan madde.
  9. Suda çözündüğünde hidroksil yükünü OH
  10. Alkali.
  11. Suda çözünebilen, çözelti içinde iken ortama hidroksil iyonları veren, pH değerleri 7'nin üzerinde olan ve asitlerle tepkimeye giderek tuz oluşturan maddeler.
  12. (en) Alcali.
  13. (en) Base.
  14. (en) Base Biyo.
  15. (en) Alkali.

metal   US UK (nedir ne demek)

  1. Çok yüksek elektrik ve ısı iletkenliği, kendine özgü parlaklığı olan, oksijenli birleşimiyle çoğunlukla bazik oksitler veren madde, maden.
  2. Dizgi makinelerinde satırları oluşturmak için eritilen antimon ve kurşun alaşımı.
  3. Ağır, sert, parlak, dövülebilir özellikler gösteren, ısıyı ve elektriği iyi ileten katı haldeki öğeler ya da alaşımlar. Bunların iç yapıları mini buzsullardan oluşmuştur.
  4. Ağır, sert, parlak, dövülebilir özellikler gösteren, ısıyı ve elektriği iyi ileten katı haldeki öğeler ya da alaşımlar. Bunların iç yapıları mini buzsullardan oluşmuştur.
  5. Asitlerdeki hidrojenlerin yerini alabilen, hidroksil köküyle de bazları oluşturan kimyasal öğe. (Genellikle çekilirlik, dövülürlük, parlaklık, ısı ve elektrik iletkenliğiyle belirlenen özellikleri vardır.)
  6. (en) An elementary substance, as sodium, calcium, or copper, whose oxide or hydroxide has basic rather than acid properties, as contrasted with the nonmetals, or metalloids.
  7. (en) No sharp line can be drawn between the metals and nonmetals, and certain elements partake of both acid and basic qualities, as chromium, manganese, bismuth, etc.
  8. (en) Ore from which a metal is derived; so called by miners.
  9. (en) Mine from which ores are taken.
  10. (en) The substance of which anything is made; material; hence, constitutional disposition; character; temper.
  11. (en) Courage; spirit; mettle.
  12. (en) See Mettle.
  13. (en) The broken stone used in macadamizing roads and ballasting railroads.
  14. (en) The effective power or caliber of guns carried by a vessel of war.
  15. (en) Glass in a state of fusion.
  16. (en) The rails of a railroad.
  17. (en) To cover with metal; as, to metal a ship's bottom; to metal a road.
  18. (en) An opaque, lustrous, elemental substance that is a good conductor of heat and electricity and, when polished, a good reflector or light Most metals are malleable and ductile and are, in general, denser than other substances.
  19. (en) Mass of material that is composed of a single element that is characterized by specific characteristics of opacity, ductility, conductivity, and luster Some common metals are copper, silver, and gold.
  20. (en) Term used by astronomers to describe all elements except hydrogen and helium.
  21. (en) Refers to aircraft of the airline you are flying.
  22. (en) An opaque, fusible, ductile, and typically lustrous substance that is a good conductor of electricity and heat, and that forms cations by loss of electrons, and yields basic oxides and hydroxides Metals are generally formed in a reducing atmosphere.
  23. (en) Usf Fabrication, Inc uses a variety of metals including aluminum, steel and stainless steel to manufacture hatches and miscellaneous products Specific metal alloys are available as per the customer's specification.
  24. (en) Chemical element that usually has a shiny surface, is generally a good conductor of heat and electricity, and can be melted or fused, hammered into thin sheets, or drawn into wires , The metals comprise about two-thirds of all known elements Unlike nonmetals, metals form positive ions and basic oxides and hydroxides Upon exposure to moist air, many metals react chemically with the oxygen of the atmosphere to form a metallic oxide, such asrust on exposed iron.
  25. (en) Simple body with a particular brilliance called metalic brilliance , well conducting heat and electricity, capable to give one or more basic oxides by combination with oxygen.
  26. (en) Metal.
  27. (en) Any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc.
  28. (en) Mixture containing two or more metallic elements or metallic and nonmetallic elements usually fused together or dissolving into each other when molten; 'brass is an alloy of zinc and copper'.
  29. (en) Cover with metal.
  30. (en) Containing or made of or resembling or characteristic of a metal; 'a metallic compound'; 'metallic luster'; 'the strange metallic note of the meadow lark, suggesting the clash of vibrant blades'- Ambrose Bierce.
  31. (en) İn heraldry, the colors yellow and white The rules of heraldry forbid placing color on color, or metal on metal.
  32. (en) An opaque lustrous elemental chemical substance that is a good conductor of heat and electricity and, when polished, a good reflector of light; most elemental metals are malleable, ductile, and are generally denser than the other elemental substances; metals are structurally distinguished from nonmetals by their atomic bonding and electron availability; the electron band structure of metals is characterized by a partially filled valence band; the 'free electrons' lost from the outer shells of metallic atoms are available to carry an electric current; the defining property of a metal is that it is an element with a positive thermal coefficient of resistivity, meaning the electrical resistivity of a metal continuously increases as temperature increases.
  33. (en) An element that gives up electrons relatively easily and is lustrous, malleable, and a good conductor of heat and electricity.
  34. (en) Metallic substances such as iron, foil, nickel, aluminum, gold, brass, lead, copper, silver, etc.
  35. (en) Elements like iron, copper, silver, or lead, as in: The picture had an antique metal frame.
  36. (en) The electroposite elements and alloys based on these elements.
  37. (en) Mineral source that is a good conductor of electricity and heat, and yield basic oxides and hydroxides One of the hidden treasures in garbage.
  38. (en) Substance or mixture that has a characteristic luster, or shine, is generally a good conductor of heat and electricity, and is malleable and ductile.
  39. (en) Metal is a mineral that conducts electricity.
  40. (en) Any of a class of mineral substance such as gold, silver, copper, iron, uranium, or an alloy of any of these.
  41. (en) Macro Expansion for TAL.
  42. (en) [Heraldry] There are two metals: or and argent.
  43. (al) Metall
  44. (fr) Métal
  45. Maden
  46. Madde
  47. Tıynet, tabiat
  48. Şişirilmeye ve dökülmeye hazır erimiş cam
  49. İng
  50. Maden, metal, kırık taş

sodyum (nedir ne demek)

  1. Atom numarası 11, atom ağırlığı 22,990, yoğunluğu 0.971 olan, 97,5 °C'de eriyen, deniz ve kaya tuzlarında, doğada birleşik olarak çok yaygın bulunan, beyaz, parlak, mum gibi yumuşak bir element (simgesi Na).
  2. Sembolü Na, Atom numarası 11, Atom kütlesi 22,989 g, e.n. 97,83
  3. Atom numarası 11, atom ağırlığı 22. 99, değerliği 1, sembolü Na olan yumuşak, gümüşümsü beyaz renkte alkali bir metal. Hücreler arası sıvının en önemli ve en çok bulunan katyonu, natriyum. Asit baz dengesini, ozmotik basıncı ve su metabolizmasını ayarlayan impuls taşınmasında görev alan bir elementtir.
  4. Atom numarası 11, atom ağırlığı 22.990, özgül ağırlığı 0.971, değerliği bir, yumuşak, gümüşümsü beyaz renkte, alkali bir metal element, natriyum.
  5. (en) Sodium.
  6. (en) Sodium, natrium, Na.

lityum (nedir ne demek)

  1. Atom numarası 3, atom ağırlığı 6,94, yoğunluğu 0,55 olan, 180 °C'de eriyen, gümüş parlaklığında, bilinen en hafif element (simgesi Li).
  2. :Simgesi Li, atomik kütlesi 6,941 g, atom numarası 3, yoğunluğu 0,524 g/mL, e.n. 180
  3. (en) Lithium.

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