The chemical symbol for Uranium is U. The chemical symbol for Chlorine is Cl. Discoverer: Marinsky, Jacob A. and Coryell, Charles D. and Glendenin, Lawerence. Osmium is a chemical element with atomic number 76 which means there are 76 protons and 76 electrons in the atomic structure. Despite its high price and rarity, thulium is used as the radiation source in portable X-ray devices. The chemical symbol for Selenium is Se. Knowledge of the electron configuration of different atoms is useful in understanding the structure of the periodic table of elements. Uranium is weakly radioactive because all isotopes of uranium are unstable, with half-lives varying between 159,200 years and 4.5 billion years. Atomic Structure of Antimony. Its extreme rarity in the Earth’s crust, comparable to that of platinum. Hafnium is a chemical element with atomic number 72 which means there are 72 protons and 72 electrons in the atomic structure. Uranium is a chemical element with atomic number 92 which means there are 92 protons and 92 electrons in the atomic structure. The chemical symbol for Thallium is Tl. In the periodic table, the elements are listed in order of increasing atomic number Z. Rhodium is a rare, silvery-white, hard, corrosion resistant and chemically inert transition metal. The noble gas electron configuration is: The chemical symbol for Lawrencium is Lr. These elements, along with the chemically similar elements scandium and yttrium, are often collectively known as the rare earth elements. Carbon is the 15th most abundant element in the Earth’s crust, and the fourth most abundant element in the universe by mass after hydrogen, helium, and oxygen. All of the alkali metals have a single valence electron in the outer electron shell, which is easily removed to create an ion with a positive charge – a cation, which combines with anions to form salts. Nickel belongs to the transition metals and is hard and ductile. Not found any post match with your request, STEP 2: Click the link on your social network, Can not copy the codes / texts, please press [CTRL]+[C] (or CMD+C with Mac) to copy, How a small number of atoms can be joined and form completely different substances. In nuclear industry boron is commonly used as a neutron absorber due to the high neutron cross-section of isotope 10B. Titanium condenser tubes are usually the best technical choice, however titanium is very expensive material. We have also distinguish between the possible and common oxidation states of every element. Electron configuration of Antimony is [Kr] 4d10 5s2 5p3. Thorium metal is silvery and tarnishes black when exposed to air, forming the dioxide. Pure germanium is a semiconductor with an appearance similar to elemental silicon. The chemical symbol for Neon is Ne. Actinium is a soft, silvery-white radioactive metal. Copper is a chemical element with atomic number 29 which means there are 29 protons and 29 electrons in the atomic structure. Gallium is a chemical element with atomic number 31 which means there are 31 protons and 31 electrons in the atomic structure. Iodine is the least abundant of the stable halogens, being the sixty-first most abundant element. An element that is not combined with any other different elements has an oxidation state of 0. Bismuth is a brittle metal with a silvery white color when freshly produced, but surface oxidation can give it a pink tinge. The chemical symbol for Potassium is K. Potassium was first isolated from potash, the ashes of plants, from which its name derives. Its boiling point is the lowest among all the elements. Only about 5×10−8% of all matter in the universe is europium. In nature, it is present in the form of mineral, such as stibnite, which is its sulfide mineral (Sb2S3). Erbium is a chemical element with atomic number 68 which means there are 68 protons and 68 electrons in the atomic structure. Actinium gave the name to the actinide series, a group of 15 similar elements between actinium and lawrencium in the periodic table. Its physical and chemical properties are most similar to its heavier homologues strontium and barium. Manganese is a chemical element with atomic number 25 which means there are 25 protons and 25 electrons in the atomic structure. It is by mass the most common element on Earth, forming much of Earth’s outer and inner core. 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. Palladium, platinum, rhodium, ruthenium, iridium and osmium form a group of elements referred to as the platinum group metals (PGMs). Argon is the third-most abundant gas in the Earth’s atmosphere, at 0.934% (9340 ppmv). Cobalt is a chemical element with atomic number 27 which means there are 27 protons and 27 electrons in the atomic structure. Thallium is a chemical element with atomic number 81 which means there are 81 protons and 81 electrons in the atomic structure. Antimony sulfide (Sb 2 S 3) is mentioned in an Egyptian papyrus of the 16 th century BC. The chemical symbol for Lutetium is Lu. It is the eponym of the lanthanide series, a group of 15 similar elements between lanthanum and lutetium in the periodic table, of which lanthanum is the first and the prototype. Chlorine is a chemical element with atomic number 17 which means there are 17 protons and 17 electrons in the atomic structure. Similarly, the p block are the right-most six columns of the periodic table, the d block is the middle 10 columns of the periodic table, while the f block is the 14-column section that is normally depicted as detached from the main body of the periodic table. Platinum is a dense, malleable, ductile, highly unreactive, precious, silverish-white transition metal. Because of its closed-shell electron configuration, its density and melting and boiling points differ significantly from those of most other lanthanides. Under standard conditions, it is the lightest metal and the lightest solid element. Antimony (Sb - from Latin Stibium) is located in group 15, row 5 of the periodic table, and has an atomic number of 51. and Gay-Lussac, L.-J. There are two naturally occurring isotopes of antimony exist, 121 Sb, and 123 Sb. Bromine is the third-lightest halogen, and is a fuming red-brown liquid at room temperature that evaporates readily to form a similarly coloured gas. It has remarkable resistance to corrosion, even at high temperatures, and is therefore considered a noble metal. Antimony, a metallic element belonging to the nitrogen group (Group 15 [Va] of the periodic table). It is fairly soft and slowly tarnishes in air. Aluminium is a silvery-white, soft, nonmagnetic, ductile metal in the boron group. Iron is a metal in the first transition series. Significant concentrations of boron occur on the Earth in compounds known as the borate minerals. Tellurium is chemically related to selenium and sulfur. The chemical symbol for Caesium is Cs. Antimony exists in many allotropic forms. 1) You may use almost everything for non-commercial and educational use. Antimony is a chemical element with atomic number 51 which means there are 51 protons and 51 electrons in the atomic structure. Atomic Structure of Antimony. Scandium is a chemical element with atomic number 21 which means there are 21 protons and 21 electrons in the atomic structure. Arsenic is a metalloid. Atomic Radius: 1.53Å; Atomic Volume: 18.23cm 3 /mol; Covalent Radius: 1.41Å; Cross Section (Thermal Neutron Capture) σ a /barns: 4.91; Crystal Structure: Rhombohedral; Electron Configuration: 1s 2 2s 2 p 6 3s 2 p 6 d 10 4s 2 p 6 d 10 5s 2 p 3; Electrons per Energy Level: 2,8,18,18,5 Shell Model; Ionic Radius: 0.76Å; Filling Orbital: 5p 3 The chemical symbol for Tellurium is Te. [Xe] 6s2 for barium). Antimony is not very abundant element. Selenium is a nonmetal with properties that are intermediate between the elements above and below in the periodic table, sulfur and tellurium, and also has similarities to arsenic. Indium is a chemical element with atomic number 49 which means there are 49 protons and 49 electrons in the atomic structure. Oxygen is a colourless, odourless reactive gas, the chemical element of atomic number 8 and the life-supporting component of the air. Gold is a bright, slightly reddish yellow, dense, soft, malleable, and ductile metal. 0/1 X The ground state electron configuration for the valence shell of antimony, Sb, is: * 0 5p3 5p5 552 5p3 x 5s2 4d10 5p3 582 5d10 5p3 Correct answer 552 5p3 COMPANY About Chegg 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. Praseodymium is the third member of the lanthanide series and is traditionally considered to be one of the rare-earth metals. Mercury is a chemical element with atomic number 80 which means there are 80 protons and 80 electrons in the atomic structure. Potassium is a chemical element with atomic number 19 which means there are 19 protons and 19 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. Silicon is a chemical element with atomic number 14 which means there are 14 protons and 14 electrons in the atomic structure. Plutonium is an actinide metal of silvery-gray appearance that tarnishes when exposed to air, and forms a dull coating when oxidized. Antimony alloys are also used in batteries, low friction metals, type metal and cable sheathing, among other products. 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. The chemical symbol for Palladium is Pd. It is an extremely reactive element and a strong oxidising agent: among the elements, it has the highest electron affinity and the third-highest electronegativity, behind only oxygen and fluorine. Thulium is a chemical element with atomic number 69 which means there are 69 protons and 69 electrons in the atomic structure. Antimony is a chemical element with atomic number 51 which means there are 51 protons and 51 electrons in the atomic structure. Gold is thought to have been produced in supernova nucleosynthesis, from the collision of neutron stars. Barium is the fifth element in group 2 and is a soft, silvery alkaline earth metal. These have similar chemical properties, but palladium has the lowest melting point and is the least dense of them. Actinium is a chemical element with atomic number 89 which means there are 89 protons and 89 electrons in the atomic structure. Thorium is a naturally-occurring element and it is estimated to be about three times more abundant than uranium. Sb Element (Antimony) - Antimony is chemical element number 51, with atomic weight 122, chemical symbol Sb, and is a member of group 15 of the periodic table. Full electron configuration of antimony: 1s 2 2s 2 2p 6 3s 2 3p 6 3d 10 4s 2 4p 6 4d 10 5s 2 5p 3. tin ← antimony → tellurium Uranium is a silvery-white metal in the actinide series of the periodic table. Most elements have more than one possible oxidation state. The chemical symbol for Technetium is Tc. Samarium is a chemical element with atomic number 62 which means there are 62 protons and 62 electrons in the atomic structure. Lithium is a chemical element with atomic number 3 which means there are 3 protons and 3 electrons in the atomic structure. Antimony and its compounds were known to the ancients and there is a 5,000-year old antimony vase in the Louvre in Paris. The chemical symbol for Germanium is Ge. The chemical symbol for Rhenium is Re. Gallium does not occur as a free element in nature, but as gallium(III) compounds in trace amounts in zinc ores and in bauxite. For atoms with many electrons, this notation can become lengthy and so an abbreviated notation is used. Silicon is a hard and brittle crystalline solid with a blue-grey metallic lustre, it is a tetravalent metalloid and semiconductor. www.nuclear-power.net. Major advantage of lead shield is in its compactness due to its higher density. The electron configuration for antimony is 1s 2 2s 2 2p 6 3s 2 3p 6 4s 2 3d 10 4p 6 5s 2 4d 10 5p 3. The chemical symbol for Zinc is Zn. Boron is a chemical element with atomic number 5 which means there are 5 protons and 5 electrons in the atomic structure. Possible oxidation states are +3,5/-3. The chemical symbol for Praseodymium is Pr. We know that one of antimony’s minerals, stibnite (Sb2S3), was used in Egyptian cosmetics four or five thousand years ago as a black eyeliner. 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