niobium tantalum cesium

  • Identifying New Tantalum Resources: 2012 | …

    The following table illustrates all the new tantalum deposits that have been identified in the world over the past two years, including those that have been previously identified in …

  • WebElements Periodic Table » Tantalum » the …

    Tantalum: isolation. Isolation: isolation of tantalum appears to be complicated.Tantalum minerals usually contain both niobium and tantalum. Since they are so similar chemically, it is difficult to separate them.

  • Cesium - Periodic Table of Elements and Chemistry

    Cesium's properties, interesting facts, discovery, videos, images, states, energies, appearance and characteristics.

  • Caesium - Wikipedia

    Caesium (British spelling and IUPAC spelling) or cesium (American spelling) is a chemical element with symbol Cs and atomic number 55. It is a soft, silvery-gold alkali metal with a melting point of 28.5 °C (83.3 °F), which makes it one of only five elemental metals that are liquid at or near room temperature. Caesium has physical and …

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  • WebElements Periodic Table » Caesium » the …

    Caesium is known as cesium in the USA. The metal is characterised by a spectrum containing two bright lines in the blue (accounting for its name).

  • Niobium — Wikipédia

    Le niobium possède 33 isotopes connus, de nombre de masse variant entre 81 et 113, et 24 isomères nucléaires.Parmi ces isotopes, un seul est stable, 93 Nb, et constitue l'intégralité du niobium naturellement présent, faisant du niobium un élément monoisotopique ainsi qu'un élément mononucléidique.Sa masse atomique standard …

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  • Rubidium - Wikipedia

    Rubidium is a chemical element with symbol Rb and atomic number 37. Rubidium is a soft, silvery-white metallic element of the alkali metal group, with a standard atomic weight of 85.4678. Elemental rubidium is highly reactive, with properties similar to those of other alkali metals, including rapid oxidation in air.On Earth, natural rubidium …

  • Glossary - AMM

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  • History of Metals Timeline Infographic

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  • List of elements by atomic mass | Chemistry | …

    This is a list of chemical elements, sorted by atomic mass (or most stable isotope) and color coded according to type of element. Each element's atomic number, name, element symbol, and group and period numbers on the periodic table are given. The number in parenthesis gives the uncertainty in...

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