The chemical symbol for Phosphorus is P. As an element, phosphorus exists in two major forms—white phosphorus and red phosphorus—but because it is highly reactive, phosphorus is never found as a free element on Earth. Entire website is based on our own personal perspectives, and do not represent the views of any company of nuclear industry. Hafnium’s large neutron capture cross-section makes it a good material for neutron absorption in control rods in nuclear power plants, but at the same time requires that it be removed from the neutron-transparent corrosion-resistant zirconium alloys used in nuclear reactors. Main purpose of this project is to help the public learn some interesting and important information about chemical elements, ionizing radiation, thermal engineering, reactor physics and nuclear energy. The chemical symbol for Lanthanum is La.    Atomic Mass Aluminum is a silvery-white, ductile metallic element.    Alkaline Earth Metals A major development was the discovery that steel could be made highly resistant to corrosion and discoloration by adding metallic chromium to form stainless steel. Francium is the second-least electronegative element, behind only caesium, and is the second rarest naturally occurring element (after astatine). Titanium can be used in surface condensers. A colorless, odorless, tasteless noble gas, krypton occurs in trace amounts in the atmosphere and is often used with other rare gases in fluorescent lamps. Germanium is a lustrous, hard, grayish-white metalloid in the carbon group, chemically similar to its group neighbors tin and silicon. The atomic number for aluminum (aluminium, symbol Al) is 13. It has remarkable resistance to corrosion, even at high temperatures, and is therefore considered a noble metal. The chemical symbol for Polonium is Po. The atom consist of a small but massive nucleus surrounded by a cloud of rapidly moving electrons. Tin is a post-transition metal in group 14 of the periodic table.    Metalloids Neptunium is the first transuranic element. Thorium metal is silvery and tarnishes black when exposed to air, forming the dioxide. Arsenic is a metalloid. These elements, along with the chemically similar elements scandium and yttrium, are often collectively known as the rare earth elements. In a neutral atom there are as many electrons as protons moving about nucleus. The chemical symbol for Germanium is Ge. The chemical symbol for Terbium is Tb. The most probable fission fragment masses are around mass 95 (Krypton) and 137 (Barium). Every solid, liquid, gas, and plasma is composed of neutral or ionized atoms. Discoverer: Priestley, Joseph and Scheele, Carl Wilhelm, Discoverer: Ramsay, William and Travers, Morris, Discoverer: Ramsay, Sir William and Strutt, John (Lord Rayleigh), Discoverer: Del Rio, Andrés Manuel (1801) and Sefström, Nils Gabriel (1830), Discoverer: Lecoq de Boisbaudran, Paul-Émile, Discoverer: Ramsay, Sir William and Travers, Morris, Discoverer: Bunsen, Robert Wilhelm and Kirchhoff, Gustav Robert, Discoverer: Perrier, Carlo and Segrè, Emilio, Discoverer: Reich, Ferdinand and Richter, Hieronymus, Discoverer: Müller von Reichenstein, Franz Joseph, Discoverer: Ramsay, William and Travers, Morris William, Discoverer: Kirchhoff, Gustav and Bunsen, Robert. Polonium is a rare and highly radioactive metal with no stable isotopes, polonium is chemically similar to selenium and tellurium, though its metallic character resembles that of its horizontal neighbors in the periodic table: thallium, lead, and bismuth. In nuclear reactors, promethium equilibrium exists in power operation. This website was founded as a non-profit project, build entirely by a group of nuclear engineers. Scandium is a silvery-white metallic d-block element, it has historically been sometimes classified as a rare-earth element, together with yttrium and the lanthanides. The chemical symbol for Barium is Ba. Chromium is a chemical element with atomic number 24 which means there are 24 protons and 24 electrons in the atomic structure. Oxygen is a chemical element with atomic number 8 which means there are 8 protons and 8 electrons in the atomic structure. Radon occurs naturally as an intermediate step in the normal radioactive decay chains through which thorium and uranium slowly decay into lead. Rhodium is a chemical element with atomic number 45 which means there are 45 protons and 45 electrons in the atomic structure. Use of this web site is restricted by this site's license The chemical symbol for Lawrencium is Lr. Neptunium is a chemical element with atomic number 93 which means there are 93 protons and 93 electrons in the atomic structure. Thorium is commonly found in monazite sands (rare earth metals containing phosphate mineral). Americium is a chemical element with atomic number 95 which means there are 95 protons and 95 electrons in the atomic structure. Chlorine is a chemical element with atomic number 17 which means there are 17 protons and 17 electrons in the atomic structure. Uranium is a silvery-white metal in the actinide series of the periodic table. The chemical symbol for Iodine is I. Iodine is the heaviest of the stable halogens, it exists as a lustrous, purple-black metallic solid at standard conditions that sublimes readily to form a violet gas. Aluminum (Al) - Relative atomic mass (A) of aluminum is 27. The chemical symbol for Hydrogen is H. With a standard atomic weight of circa 1.008, hydrogen is the lightest element on the periodic table.

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