Element Barium, Ba, Alkaline Earth Metal
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Element Francium, Fr, Alkali Metal. By Perey for her native country. Does not have stable isotopes. 27 known radioactive isotopes have mass numbers from 202 to 229.
Element Radium, Ra, Alkaline Earth Metal. Isotopes may be found in nature. It becomes possible because of existence of three radioactive series in which radium isotopes.
Element Rubidium, Rb, Alkali Metal. During their investigations they became interested in the mineral lepidolite. The processed 150 kg and, as a result, separated double potassium, caesium and rubidium. The crustal abundance of rubidium.
Element Strontium, Sr, Alkaline Earth Metal. Strontium forms only the divalent ion Sr. Whose solutions are colourless, and whose heat of formation is 501 kj. A very rare mineral, which before that could be found only in a couple of collections, named after the village of Strontian, Lochaber, Scotland. A mineral consisting of barium sulphate. He called the mineral strontianite.
Element Lanthanum, La, Lanthanide. Lanthanum is a tin-white metal of density 6. It is malleable, but not ductile. Measurements made with material of doubtful purity indicate that lanthanum is feebly paramagnetic, but this is questionable. 923 and its heat of formation 97. it resembles the corresponding cerium compound.
Element Actinium, Ac, Actinide or Actinoid. After which the latter name was confirmed. Is a member of actinide. Isotopes with mass numbers from 221 to 230 are known. The most long-lived of them is. However, comparing with other elements actinium abundance. Is extremely small, 6x10.
Element Caesium, Cs, Alkali Metal. Had undoubtedly been examined before, but had been mistaken by C. Plattner for potassium salts, meanwhile it was consisting of hydrous caesium. Pisani revealed it on the analysis of pollux in 1864.
Element Yttrium, Y, Transition Metal. As an element of the 3. Group in periodic system, does not belong to the group rare earth metals; however the history of its discovery is closely connected with rare earth elements. A lustrous black color mineral. Ekeberg extracted an earth from this mineral and named it yttria. 45 years later Mosander extracted yttrium.
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This domain states the following, "Element Barium, Ba, Alkaline Earth Metal." Our analyzers analyzed that the web page also stated " Has the combining weight 137." The Website also stated "4, and occurs naturally as sulphate and carbonate. Metallic barium is of a white colour, melts at a red heat, and reacts more energetically with water than strontium or calcium. We have here, therefore, a repetition of the same state of affairs as in the group of alkali metals, viz. the action with oxygen and oxygen compounds is more energetic the higher the combining weight of the metal. Barium forms only the divalent ion Ba." The website's header had Element Barium as the most important search term. It was followed by Ba, Alkaline Earth Metal, and History which isn't as highly ranked as Element Barium. The next words they uses is Occurrence. Neighbours was also included and might not be understood by web crawlers.OTHER WEB SITES
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Chemtrails in the sky chemtrails 2009 chemtrails scalar chemtrail photos. What is thi s hideous Junk over our house? Is this a normal cloud? Reference to Barium in. It has also been proposed to release large clouds of barium in the magnetosphere so that photo ionization will increase the cold plasma density, thereby producing electron precipitation. Great HAARP description - watch 30 second animation.
A Global Supplier of Quality Compounds for Industry, Research and Education. Serving the industry since 1916, Barium and Chemicals, Inc. has concentrated on production of a complete line of Barium. Compounds, and also some Potassium. Compounds, as well as some Metallurgical. We produce these materials in technical and purified grades to assure you of the best performance at the lowest cost consistent with high quality.