Chemicalstore's Periodic Table gives background information for each element. Included in the background information is brief history, element properties, sources, uses, compounds, isotopes, and hazards.
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Periodic Table of the Elements | pt.chemicalstore.com Reviews
https://pt.chemicalstore.com
Chemicalstore's Periodic Table gives background information for each element. Included in the background information is brief history, element properties, sources, uses, compounds, isotopes, and hazards.
pt.chemicalstore.com
Potassium
http://pt.chemicalstore.com/K%20-%20Potassium.html
Van der Waals Radius:. Pot ashes; L. kalium. Alkali) Discovered in 1807 by Davy, who obtained it from caustic potash (KOH); this was the first metal isolated by electrolysis. It is one of the most reactive and electropositive of metals. Except for lithium, it is the lightest known metal. It is soft, easily cut with a knife, and is silvery in appearance immediately after a fresh surface is exposed. It rapidly oxidizes in air and must be preserved in a mineral oil such as kerosene. C, Si, or Na). Certain m...
Aluminum
http://pt.chemicalstore.com/Al%20-%20Aluminum.html
Van der Waals Radius:. Alum) The ancient Greeks and Romans used alum as an astringent and as a mordant in dyeing. In 1761 de Morveau proposed the name alumine for the base in alum, and Lavoisier, in 1787, thought this to be the oxide of a still undiscovered metal. Wohler is generally credited with having isolated the metal in 1827, although an impure form was prepared by Oersted two years earlier. In 1807, Davy proposed the name aluminum. Aluminum can now be produced from clay, but the process is not eco...
Sodium
http://pt.chemicalstore.com/Na%20-%20Sodium.html
Van der Waals Radius:. Medieval Latin, sodanum. A headache remedy) Long recognized in compounds, sodium was first isolated by Davy in 1807 by electrolysis of caustic soda. Sodium is present in fair abundance in the sun and stars. The D lines of sodium are among the most prominent in the solar spectrum. Sodium is the fourth most abundant element on earth, comprising about 2.6% of the earth's crust; it is the most abundant of the alkali group of metals. Metallic sodium is vital in the manufacture of esters...
Hydrogen
http://pt.chemicalstore.com/H%20-%20Hydrogen.htm
Van der Waals Radius:. Water, and genes. Forming) Hydrogen was prepared many years before it was recognized as a distinct substance by Cavendish in 1776. Later, Lavoisier named the element. Quite apart from isotopes, it has been shown that under ordinary conditions hydrogen gas is a mixture of two kinds of molecules, known as ortho- and para-hydrogen, which differ from one another by the spins of their electrons and nuclei. C lower than those of normal hydrogen. O, is commonly referred to as heavy water&...
Lithium
http://pt.chemicalstore.com/Li%20-%20Lithium.html
Van der Waals Radius:. Stone) Discovered by Arfvedson in 1817. Arfvedson found the new element within the minerals spodumene and lepidolite in a petalite ore. The element was not isolated until W.T. Brande and Sir Humphrey Davy later used electrolysis on lithium oxide. Lithium in its pure form is a soft, silver white metal, that tarnishes and oxidizes very rapidly in air and water. It is the lightest of all metals, with a density only about half that of water. Lithium is presently being recovered from br...
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MiniScience.com
http://mini-science.com/projects/modeleye/default.asp
What makes a good project? An Introductory Level Guide to Experimental Science Project. An Intermediate Guide to Experimental Science Project. How to do a Science Project. If you have any question or trouble with this site, please send us an. Email to info@MiniScience.com. If you don't see the products that you are looking for, send us an email or call us. Model of the human eye. A model of human eye can be a 3 X the actual human eye, this craft model of the human eye comes on a stand but can be removed ...
bronze-powders: Bronze Powders for different applications
http://www.bronze-powders.com/Bronze_Powders.asp?count=11
Brazing powders and pastes. 1059 Main Ave,. Clifton, NJ 07011. Bronze is alloy of copper and tin. We offer a variety of bronze powders for different applications, including flame-spraying, brazing, strip-bearings, metal-bonded grinding wheels and cutting tools, metal filled plastics for bearings, decorative, conductive and high strength applications. Spherical, F.A. Spherical, F.A. Spherical, P.D. Spherical, P.D. Spherical, P.D. Spherical, P.D. Spherical, F.A. Spherical, F.A. Spherical, F.A. High quality...
MiniScience.com
http://store.miniscience.com/projects/modeleye/default.asp
What makes a good project? An Introductory Level Guide to Experimental Science Project. An Intermediate Guide to Experimental Science Project. How to do a Science Project. If you have any question or trouble with this site, please send us an. Email to info@MiniScience.com. If you don't see the products that you are looking for, send us an email or call us. Model of the human eye. A model of human eye can be a 3 X the actual human eye, this craft model of the human eye comes on a stand but can be removed ...
Copper Powder for Chemical Applications
http://www.cupowder.com/Copper_Powder_for_Chemicals.asp?count=6
Brazing powders and pastes. 1059 Main Ave,. Clifton, NJ 07011. Copper Powders for Chemical Applications. Copper powders may be used in many different chemical applications such as the production of copper salts (Nitrate, Sulfate, .) and production of diphenyl (in Ullmann Reaction). Copper powder may be added to a composition that contains ammonium perchlorate to create a pretty blue flame. Copper(II) carbonate is green from which arises the unique appearance of copper-clad roofs or domes on some building...
cupowder: Copper Powderfor Friction Products
http://www.cupowder.com/Copper_Powder_for_Friction_Products.asp?count=7
Brazing powders and pastes. 1059 Main Ave,. Clifton, NJ 07011. Friction products may be made in two different methods. Organic Based Friction Products. Metal powders are usually added to organic based (non-sintered) friction products to increase heat conductivity, alter wear properties, provide smoother braking action and reduce brake squeal. ChemicalStore.com provides many grades of copper, tin, bronze, brass and nickel to meet the needs of both segments of the Friction Products Industry.
cupowder: Copper Powder for Printing
http://www.cupowder.com/Copper_Powder_for_Printing.asp?count=8
Brazing powders and pastes. 1059 Main Ave,. Clifton, NJ 07011. Copper powders combined with binders are used in production of specialized printing inks and paints. Some copper based inks are used for their metallic shine and some others for their conductivity. Conductive inks may be used to print electrical circuits and electrical contacts. They may also be used to repair some damaged or broken circuit boards. Inks with metallic shine are used as inkpad for stamps and for varieties of artworks.
cupowder: Bronze Powders for different applications
http://www.cupowder.com/Bronze_Powders.asp?count=11
Brazing powders and pastes. 1059 Main Ave,. Clifton, NJ 07011. Bronze is alloy of copper and tin. We offer a variety of bronze powders for different applications, including flame-spraying, brazing, strip-bearings, metal-bonded grinding wheels and cutting tools, metal filled plastics for bearings, decorative, conductive and high strength applications. Spherical, F.A. Spherical, F.A. Spherical, P.D. Spherical, P.D. Spherical, P.D. Spherical, P.D. Spherical, F.A. Spherical, F.A. Spherical, F.A. High quality...
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fórmula química pesquisa
Bem-vindo ao pt.chemical5.com English. Thiophene, 3-(1,1-dimethyl. Pyrrolidine, 1-[ 5-(2-amin. 4-Methylsulfonyl-2,3,4',6-. 1,2-Benzodithiol-1-ium, 3-. 2 EO chemicals" Alkohol(C8-C18)ethoxylate. Produtos químicos, fórmula química, química Química. Hydrazinium, 1,1-dimethyl-. Benzene,1,2,3-trimethoxy-5. 3,6-Tetradecadien-1-ol, ac. 2-Propenoic acid, 3-(1H-in. 1,2,4-Oxadiazole, 3,5-bis(. Dodecane, 1-bromo-3,7,11-t. 2,3,4,5-Tetrahydro-2-isope. 1H-1,2,4-Triazole, 3-(4-me. Magnesium, iodo(3,3,4,4,5,.
dados químicos
Chemicalgo.com é um banco de dados de química, tem 1.500.000 de dados químicos, fornece fórmula química, química MSDS, estrutura química, produtos químicos e Química serviço de busca de propriedades. Nome de produto químico. 3-Buten-2-one, 4-[(4-methylphenyl)sulfonyl]-, (Z)-. Thieno[2,3-c]pyridine-2-carboxamide, 7-amino-4-bromo-. 1,3,2-Benzodioxaphosphol-2-amine, N-(4-chlorophenyl)-, 2-sulfide. Dysprosium, trichlorobis[4-pyridinecarboxylic acid(2-furanylmethylene)hydrazide]-. Arsine oxide, diethylphenyl-.
Periodic Table of the Elements
VIII - - - -. Physical states at normal temperature and pressure. Material Safety Data Sheets.
chenxin iluminação
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