The atomic number of silver: {eq}Z = 47 {/eq} Electronic Configuration of Silver \displaystyle{_{47}Ag \rightarrow 1s^2 \ 2s^2 \ 2p^6 \ 3s^2... See full answer below. Table. 8. answer choices . Aluminium is a silvery-white, soft, nonmagnetic, ductile metal in the boron group. 3. Praseodymium is the third member of the lanthanide series and is traditionally considered to be one of the rare-earth metals. Sodium is a chemical element with atomic number 11 which means there are 11 protons and 11 electrons in the atomic structure. Electron configuration was first conceived under the Bohr model of the atom, and it is still common to speak of shells and subshells despite the advances in understanding of the quantum-mechanical nature of electrons.. An electron shell is the set of allowed states that share the same principal quantum number, n (the number before the letter in the orbital label), that electrons may occupy. (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. Lead has the highest atomic number of any stable element and concludes three major decay chains of heavier elements. The chemical symbol for Platinum is Pt. The electron configuration of an atom is 1s 2 2s 2 2p 6. 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s1 4d10 that's for silver simplified to [Kr] 5s1 4d10 The down electron from the 5s moves to fill the d orbitals because it is more stable there. At 0.099%, phosphorus is the most abundant pnictogen in the Earth’s crust. 113Cd has specific absorption cross-section. Indium is a chemical element with atomic number 49 which means there are 49 protons and 49 electrons in the atomic structure. Chemically, indium is similar to gallium and thallium. Silver iodide (AgI) is used to seed clouds to produce rain. Uranium is weakly radioactive because all isotopes of uranium are unstable, with half-lives varying between 159,200 years and 4.5 billion years. Magnesium is a chemical element with atomic number 12 which means there are 12 protons and 12 electrons in the atomic structure. Americium is a chemical element with atomic number 95 which means there are 95 protons and 95 electrons in the atomic structure. It has remarkable resistance to corrosion, even at high temperatures, and is therefore considered a noble metal. Rubidium is a soft, silvery-white metallic element of the alkali metal group, with an atomic mass of 85.4678. 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. The chemical symbol for Sodium is Na. As you can see, an atom is taken away from the 5s orbital in order to fully complete the 4d orbital, making the atom more stable. The chemical symbol for Radium is Ra. Ruthenium is a rare transition metal belonging to the platinum group of the periodic table. Although classified as a rare earth element, samarium is the 40th most abundant element in the Earth’s crust and is more common than such metals as tin. 4d10. Thus, the d-orbital now becomes incomplete (4d9). Mendelevium is a metallic radioactive transuranic element in the actinide series, it is the first element that currently cannot be produced in macroscopic quantities. An atom of an element in a compound will have a positive oxidation state if it has had electrons removed. Look up properties, history, uses, and more. The chemical symbol for Potassium is K. Potassium was first isolated from potash, the ashes of plants, from which its name derives. Oxygen is a chemical element with atomic number 8 which means there are 8 protons and 8 electrons in the atomic structure. and Gay-Lussac, L.-J. Introduction. Titanium is a lustrous transition metal with a silver color, low density, and high strength. Ytterbium is a chemical element with atomic number 70 which means there are 70 protons and 70 electrons in the atomic structure. Argon is the third-most abundant gas in the Earth’s atmosphere, at 0.934% (9340 ppmv). The chemical symbol for Protactinium is Pa. Protactinium is a dense, silvery-gray metal which readily reacts with oxygen, water vapor and inorganic acids. 9 years ago. It is the Pauli exclusion principle that requires the electrons in an atom to occupy different energy levels instead of them all condensing in the ground state. 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. The chemical symbol for Neodymium is Nd. If you continue to use this site we will assume that you are happy with it. The chemical symbol for Bromine is Br. Home; Czech version; Table; Periodic table » Cesium » Electron configuration. Natural boron consists primarily of two stable isotopes, 11B (80.1%) and 10B (19.9%). Manganese is a metal with important industrial metal alloy uses, particularly in stainless steels. Tags: Question 13 . Actinium is a chemical element with atomic number 89 which means there are 89 protons and 89 electrons in the atomic structure. Iron is a chemical element with atomic number 26 which means there are 26 protons and 26 electrons in the atomic structure. Thorium metal is silvery and tarnishes black when exposed to air, forming the dioxide. Electron Configuration and Oxidation States of Silver. Currency – still in some countries silver coins are used as currency. Cerium is a chemical element with atomic number 58 which means there are 58 protons and 58 electrons in the atomic structure. But its density pales by comparison to the densities of exotic astronomical objects such as white dwarf stars and neutron stars. The chemical symbol for Rhenium is Re. The chemical symbol for Barium is Ba. Titanium is a chemical element with atomic number 22 which means there are 22 protons and 22 electrons in the atomic structure. Being a typical member of the lanthanide series, europium usually assumes the oxidation state +3. New Window . Titanium is resistant to corrosion in sea water, aqua regia, and chlorine. Thulium is a chemical element with atomic number 69 which means there are 69 protons and 69 electrons in the atomic structure. It is a colorless, odorless, tasteless, non-toxic, inert, monatomic gas, the first in the noble gas group in the periodic table. The chemical symbol for Ruthenium is Ru. In the periodic table, potassium is one of the alkali metals. Carbon is one of the few elements known since antiquity. 60 seconds . Gold is a transition metal and a group 11 element. Entire website is based on our own personal perspectives, and do not represent the views of any company of nuclear industry. Beryllium is a hard, grayish metal naturally found in mineral rocks, coal, soil, and volcanic dust. Uranium is a silvery-white metal in the actinide series of the periodic table. Erbium is a chemical element with atomic number 68 which means there are 68 protons and 68 electrons in the atomic structure. 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