The applications of Francium
Francium occurs naturally in nature as the 223Fr radionuclide in uranium minerals. It was first discovered in 1939 by Mademoiselle Marguerite Perey of The Institut Curie (Paris, France). The name come
Sep 27，2019 Inorganic chemistry
The applications and Preparation of Cesium
Cesium, or Caesium, chemical symbol Cs, atomic number 55, and relative atomic mass (i.e., atomic weight) 132.90545, is the fifth alkali metal of group IA of Mendeleev’s periodic chart. The word cesium
Sep 27，2019 Inorganic chemistry
Titanium Properties and Characteristics
Titanium is also formidable in its resistance to corrosion by both water and chemical media. It does this by forming a thin layer of titanium dioxide (TiO2) on its surface that is extremely difficult
Sep 26，2019 Inorganic chemistry
9 Ways People Used Radium Before We Understood the Risks
Radium was discovered by Marie Curie and her husband Pierre in 1898. In 1903, the Royal Academy of Sciences awarded Marie and Pierre Curie and Henri Becquerel the Nobel Prize in Physics, making Marie
Sep 26，2019 Inorganic chemistry
Radium Industrial Applications and Uses
Radium ,chemical symbol Ra, atomic number 88, and relative atomic mass [226] for the longest-life isotope, is the heaviest element of the alkaline-earth metals. The name Alkaline-Earth Metals 265 4 Le
Sep 26，2019 Inorganic chemistry
General Properties of Chromium
Chromium [7440-47-3], atomic number 24 and relative atomic mass 51.9961(6), is the first element of group VIB(6) of Mendeleev’s periodic chart and was named after the Greek khroma, meaning color, due
Sep 26，2019 Inorganic chemistry
Tantalum industrial applications and uses
Tantalum’s good thermal conductivity (57.5 W.m–1.K–1 at 20°C) gives a suitable construction material when corrosion resistance has to be combined with good heat transfer conduction.
Sep 26，2019 Inorganic chemistry
Industrial Preparation of Tantalum Metal
Tantalum can be prepared in several ways from different tantalum-containing materials. The primary source is columbotantalite ore, obtained after concentration of the raw ore by means of common ore-be
Sep 26，2019 Inorganic chemistry
Facts About Cesium
Cesium is a rare, silver-white, shiny metal with brilliant blue spectral lines; the element's name comes from "caesius," a Latin word meaning "sky blue." It is the softest metal, with a consistency of
Sep 26，2019 Inorganic chemistry
Corrosion resistance of Tantalum
Tantalum [7440-25-7], chemical symbol Ta, atomic number 73, and relative atomic mass (i.e., atomic weight) 180.9479, is the third and last element of group VB(5) of Mendeleev’s periodic chart. The wor
Sep 26，2019 Inorganic chemistry