As the most electronegative element, it is extremely reactive: almost all other elements, including some noble gases, form compounds with fluorine. 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 Curium is Cm. Anonymous. In some respects zinc is chemically similar to magnesium: both elements exhibit only one normal oxidation state (+2), and the Zn2+ and Mg2+ ions are of similar size. Boron is a chemical element with atomic number 5 which means there are 5 protons and 5 electrons in the atomic structure. For atoms with many electrons, this notation can become lengthy and so an abbreviated notation is used. Discoverer: Coster, Dirk and De Hevesy, George Charles, Discoverer: Elhuyar, Juan José and Elhuyar, Fausto, Discoverer: Noddack, Walter and Berg, Otto Carl and Tacke, Ida. Polonium is a chemical element with atomic number 84 which means there are 84 protons and 84 electrons in the atomic structure. The electron configuration can be visualized as the core electrons, equivalent to the noble gas of the preceding period, and the valence electrons (e.g. In nuclear industry, especially artificial xenon 135 has a tremendous impact on the operation of a nuclear reactor. Only about 5×10−8% of all matter in the universe is europium. Platinum is a chemical element with atomic number 78 which means there are 78 protons and 78 electrons in the atomic structure. The chemical symbol for Germanium is Ge. The name xenon for this gas comes from the Greek word ξένον [xenon], neuter singular form of ξένος [xenos], meaning ‘foreign(er)’, ‘strange(r)’, or ‘guest’. Nobelium Overview Nobelium Complete Electron Configuration 1s2 2s2 2p6 3s2 3p6 4 s2 3 d10 4 p6 5 s2 4 d10 5 p6 6 s2 5 d10 4 f14 6 p6 7 s2 5 f14 The chemical symbol for Caesium is Cs. Like all alkali metals, lithium is highly reactive and flammable, and is stored in mineral oil. H #1s^1# He #1s^2# Li #1s^2 2s^1# Be #1s^2 2s^2# B #1s^2 2s^2 2p^1# C #1s^2 2s^2 2p^2# N #1s^2 2s^2 2p^3# O #1s^2 2s^2 2p^4# F #1s^2 2s^2 2p^5# Bismuth is a brittle metal with a silvery white color when freshly produced, but surface oxidation can give it a pink tinge. 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. Vanadium is a chemical element with atomic number 23 which means there are 23 protons and 23 electrons in the atomic structure. All of its isotopes are radioactive. Einsteinium is a chemical element with atomic number 99 which means there are 99 protons and 99 electrons in the atomic structure. The chemical symbol for Manganese is Mn. 1 0. Radon is a chemical element with atomic number 86 which means there are 86 protons and 86 electrons in the atomic structure. Cesium (Cs) is a chemical element in the periodic table with atomic number 55 discovered by Fustov Kirchhoff and Robert Bunsen in the year 1860. The chemical properties of the atom are determined by the number of protons, in fact, by number and arrangement of electrons. 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. Our Website follows all legal requirements to protect your privacy. An atom of an element in a compound will have a positive oxidation state if it has had electrons removed. Argon is the third-most abundant gas in the Earth’s atmosphere, at 0.934% (9340 ppmv). Arsenic occurs in many minerals, usually in combination with sulfur and metals, but also as a pure elemental crystal. The chemical symbol for Yttrium is Y. Yttrium is a silvery-metallic transition metal chemically similar to the lanthanides and has often been classified as a “rare-earth element”. 5 Answers. Manganese is a metal with important industrial metal alloy uses, particularly in stainless steels. 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. What is Cesium? Titanium is resistant to corrosion in sea water, aqua regia, and chlorine. Praseodymium is a soft, silvery, malleable and ductile metal, valued for its magnetic, electrical, chemical, and optical properties. Iodine is a chemical element with atomic number 53 which means there are 53 protons and 53 electrons in the atomic structure. Helium is a chemical element with atomic number 2 which means there are 2 protons and 2 electrons in the atomic structure. cesium?it has 55 electrons.i hope you now hond principle.here we go: 1s^2/2s^2 2p^6/3s^2 3p^6 3d^10/4s^2 4p^6 3d^10 /5s^2 5p^6 /6s^1. The chemical symbol for Tin is Sn. Nevertheless, check the complete configuration and other interesting facts about Nobelium that most people don't know. Its extreme rarity in the Earth’s crust, comparable to that of platinum. 0 … Nitrogen is a chemical element with atomic number 7 which means there are 7 protons and 7 electrons in the atomic structure. The chemical symbol for Tungsten is W. Tungsten is a rare metal found naturally on Earth almost exclusively in chemical compounds. Chemically, sulfur reacts with all elements except for gold, platinum, iridium, tellurium, and the noble gases. It is even less abundant than the so-called rare earths. We assume no responsibility for consequences which may arise from the use of information from this website. Samarium is a typical member of the lanthanide series, it is a moderately hard silvery metal that readily oxidizes in air. The chemical symbol for Silicon is Si. Zirconium is mainly used as a refractory and opacifier, although small amounts are used as an alloying agent for its strong resistance to corrosion. Cerium is a soft, ductile and silvery-white metal that tarnishes when exposed to air, and it is soft enough to be cut with a knife. In fact their absorption cross-sections are the highest among all stable isotopes. Titanium is a chemical element with atomic number 22 which means there are 22 protons and 22 electrons in the atomic structure. Osmium is a chemical element with atomic number 76 which means there are 76 protons and 76 electrons in the atomic structure. Rubidium is a soft, silvery-white metallic element of the alkali metal group, with an atomic mass of 85.4678. The chemical symbol for Cadmium is Cd. At 0.099%, phosphorus is the most abundant pnictogen in the Earth’s crust. Because of its high chemical reactivity, barium is never found in nature as a free element. Thorium metal is silvery and tarnishes black when exposed to air, forming the dioxide. In the case of Nobelium the abbreviated electron configuration is [Rn] 5f14 7s2. Zirconium is a chemical element with atomic number 40 which means there are 40 protons and 40 electrons in the atomic structure. The electron configuration is the distribution of electrons of an atom or molecule (or other physical structure) in atomic or molecular orbitals. The chemical symbol for Bromine is Br. 6s 1 and the term symbol is 2 S 1/2 . In the periodic table, potassium is one of the alkali metals. An atom's electron configuration is a numeric representation of its electron orbitals. Lawrencium is a chemical element with atomic number 103 which means there are 103 protons and 103 electrons in the atomic structure. Ruthenium is a rare transition metal belonging to the platinum group of the periodic table. The ninth member of the lanthanide series, terbium is a fairly electropositive metal that reacts with water, evolving hydrogen gas. Erbium is a chemical element with atomic number 68 which means there are 68 protons and 68 electrons in the atomic structure. The chemical symbol for Calcium is Ca. Titanium is a lustrous transition metal with a silver color, low density, and high strength. Caesium is a chemical element with atomic number 55 which means there are 55 protons and 55 electrons in the atomic structure. Lead is soft and malleable, and has a relatively low melting point. The information contained in this website is for general information purposes only. The chemical symbol for Gallium is Ga. Gallium has similarities to the other metals of the group, aluminium, indium, and thallium.