The chemical symbol for Lanthanum is La. Electrical resistance is expressed in Ohms. Lead is widely used as a gamma shield. Being a typical member of the lanthanide series, europium usually assumes the oxidation state +3. It is the fifth most abundant element in Earth’s crust and the third most abundant metal, after iron and aluminium. 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. It is a noble metal and a member of the platinum group. Sodium is a chemical element with atomic number 11 which means there are 11 protons and 11 electrons in the atomic structure. The chemical symbol for Calcium is Ca. The chemical symbol for Iridium is Ir. Xenon is a colorless, dense, odorless noble gas found in the Earth’s atmosphere in trace amounts. Oxygen is a colourless, odourless reactive gas, the chemical element of atomic number 8 and the life-supporting component of the air. Gold is thought to have been produced in supernova nucleosynthesis, from the collision of neutron stars. Rhodium is a rare, silvery-white, hard, corrosion resistant and chemically inert transition metal. The chemical properties of this silvery gray, crystalline transition metal are intermediate between rhenium and manganese. The chemical symbol for Barium is Ba. Source(s): https://shorte.im/bbKxF. These condensers use tubes that are usually made of stainless steel, copper alloys, or titanium depending on several selection criteria (such as thermal conductivity or corrosion resistance). Technetium is the lightest element whose isotopes are all radioactive; none are stable. Chemically, sulfur reacts with all elements except for gold, platinum, iridium, tellurium, and the noble gases. Discoverer: Davy, Sir H. and Thénard, L.-J. Lithium is a chemical element with atomic number 3 which means there are 3 protons and 3 electrons in the atomic structure. The chemical symbol for Antimony is Sb. The chemical symbol for Aluminum is Al. Francium is a chemical element with atomic number 87 which means there are 87 protons and 87 electrons in the atomic structure. Silicon is a chemical element with atomic number 14 which means there are 14 protons and 14 electrons in the atomic structure. It explains how we use cookies (and other locally stored data technologies), how third-party cookies are used on our Website, and how you can manage your cookie options. It rarely occurs in its elemental state or as pure ore compounds in the Earth’s crust. Palladium is a chemical element with atomic number 46 which means there are 46 protons and 46 electrons in the atomic structure. Natural boron consists primarily of two stable isotopes, 11B (80.1%) and 10B (19.9%). Iron is a chemical element with atomic number 26 which means there are 26 protons and 26 electrons in the atomic structure. In nuclear industry gadolinium is commonly used as a neutron absorber due to very high neutron absorbtion cross-section of two isotopes 155Gd and 157Gd. It is the heaviest element that can be formed by neutron bombardment of lighter elements, and hence the last element that can be prepared in macroscopic quantities. In fact their absorption cross-sections are the highest among all stable isotopes. It readily forms hard, stable carbides in alloys, and for this reason most of world production of the element (about 80%) is used in steel alloys, including high-strength alloys and superalloys. A freshly exposed surface of pure copper has a reddish-orange color. The chemical symbol for Silver is Ag. Thorium is a naturally-occurring element and it is estimated to be about three times more abundant than uranium. The electronegativity of Boron is: χ = 2.04. Discoverer: Corson, Dale R. and Mackenzie, K. R. The actinide or actinoid series encompasses the 15 metallic chemical elements with atomic numbers from 89 to 103, actinium through lawrencium. Berkelium is a member of the actinide and transuranium element series. There are over 100 different borate minerals, but the most common are: borax, kernite, ulexite etc. Thorium is a chemical element with atomic number 90 which means there are 90 protons and 90 electrons in the atomic structure. Francium is an alkali metal, that has one valence electron. Actinium is a soft, silvery-white radioactive metal. Curium is a chemical element with atomic number 96 which means there are 96 protons and 96 electrons in the atomic structure. All isotopes of radium are highly radioactive, with the most stable isotope being radium-226. © 2019 periodic-table.org / see also The chemical symbol for Gallium is Ga. Gallium has similarities to the other metals of the group, aluminium, indium, and thallium. Samarium is a typical member of the lanthanide series, it is a moderately hard silvery metal that readily oxidizes in air. Ytterbium is a chemical element with atomic number 70 which means there are 70 protons and 70 electrons in the atomic structure. By mass, oxygen is the third-most abundant element in the universe, after hydrogen and helium. The chemical symbol for Calcium is Ca. E. Discoverer: De Marignac, Charles Galissard, Discoverer: De Marignac, Jean Charles Galissard, Discoverer: Göhring, Otto and Fajans, Kasimir. By mass, aluminium makes up about 8% of the Earth’s crust; it is the third most abundant element after oxygen and silicon and the most abundant metal in the crust, though it is less common in the mantle below. Europium is a chemical element with atomic number 63 which means there are 63 protons and 63 electrons in the atomic structure. The commercial use of beryllium requires the use of appropriate dust control equipment and industrial controls at all times because of the toxicity of inhaled beryllium-containing dusts that can cause a chronic life-threatening allergic disease in some people called berylliosis. Manganese is a chemical element with atomic number 25 which means there are 25 protons and 25 electrons in the atomic structure. The chemical symbol for Palladium is Pd. Its abundance in rocky planets like Earth is due to its abundant production by fusion in high-mass stars. Radon is a chemical element with atomic number 86 which means there are 86 protons and 86 electrons in the atomic structure. Hydrogen is a chemical element with atomic number 1 which means there are 1 protons and 1 electrons in the atomic structure. The chemical symbol for Gadolinium is Gd. The chemical symbol for Uranium is U. Dysprosium is used for its high thermal neutron absorption cross-section in making control rods in nuclear reactors, for its high magnetic susceptibility in data storage applications. The chemical symbol for Magnesium is Mg. Magnesium is a shiny gray solid which bears a close physical resemblance to the other five elements in the second column (group 2, or alkaline earth metals) of the periodic table: all group 2 elements have the same electron configuration in the outer electron shell and a similar crystal structure. Elemental rubidium is highly reactive, with properties similar to those of other alkali metals, including rapid oxidation in air. Iodine is the least abundant of the stable halogens, being the sixty-first most abundant element. (1969), Discoverer: Scientists at Dubna, Russia (1967)/Lawrence Berkeley Laboratory (1970), Discoverer: Armbruster, Paula and Muenzenberg, Dr. Gottfried, Element Category: unknown, probably a transition metal, Discoverer: David Anderson, Ruhani Rabin, Team Updraft, Element Category: unknown, probably a post-transition metal, Discoverer: Hisinger, Wilhelm and Berzelius, Jöns Jacob/Klaproth, Martin Heinrich. Chromium is a chemical element with atomic number 24 which means there are 24 protons and 24 electrons in the atomic structure. Tin is a chemical element with atomic number 50 which means there are 50 protons and 50 electrons in the atomic structure. Our Privacy Policy is a legal statement that explains what kind of information about you we collect, when you visit our Website. Nobelium is a chemical element with atomic number 102 which means there are 102 protons and 102 electrons in the atomic structure. The chemical symbol for Thallium is Tl. Electrons with low ionization energies have low electronegativities because their nuclei do not exert a strong attractive force on electrons. The chemical symbol for Lead is Pb. The chemical symbol for Germanium is Ge. Vanadium is a chemical element with atomic number 23 which means there are 23 protons and 23 electrons in the atomic structure. In nuclear industry, especially artificial xenon 135 has a tremendous impact on the operation of a nuclear reactor. It is even less abundant than the so-called rare earths. Beryllium is a chemical element with atomic number 4 which means there are 4 protons and 4 electrons in the atomic structure. The mention of names of specific companies or products does not imply any intention to infringe their proprietary rights. 2) You may not distribute or commercially exploit the content, especially on another website. The Cookies Statement is part of our Privacy Policy. A crystal lattice is a repeating pattern of mathematical points that extends throughout space. Nickel is a silvery-white lustrous metal with a slight golden tinge. Discoverer: Scientists at Dubna, Russia (1964)/Albert Ghiorso et. In fact their absorption cross-sections are the highest among all stable isotopes. In nuclear industry cadmium is commonly used as a thermal neutron absorber due to very high neutron absorption cross-section of 113Cd. The chemical symbol for Ytterbium is Yb. Lawrencium is a chemical element with atomic number 103 which means there are 103 protons and 103 electrons in the atomic structure.