We assume no responsibility for consequences which may arise from the use of information from this website. Antimony, a metallic element belonging to the nitrogen group (Group 15 [Va] of the periodic table). 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. Boron is a chemical element with atomic number 5 which means there are 5 protons and 5 electrons in the atomic structure. Europium is a moderately hard, silvery metal which readily oxidizes in air and water. Platinum is one of the least reactive metals. Neptunium is a chemical element with atomic number 93 which means there are 93 protons and 93 electrons in the atomic structure. Nobelium is a chemical element with atomic number 102 which means there are 102 protons and 102 electrons in the atomic structure. Electrolytic deposition of antimony under certain conditions produces an unstable, amorphous form called “explosive antimony,” because, when bent or scratched, it will change in a mildly explosive manner to the more stable, metallic form. Sodium is a chemical element with atomic number 11 which means there are 11 protons and 11 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. Not available Nearly all technetium is produced synthetically, and only minute amounts are found in the Earth’s crust. Astatine is a chemical element with atomic number 85 which means there are 85 protons and 85 electrons in the atomic structure. The periodic table is a tabular display of the chemical elements organized on the basis of their atomic numbers, electron configurations, and chemical properties. Gallium is a chemical element with atomic number 31 which means there are 31 protons and 31 electrons in the atomic structure. This fact has key implications for the building up of the periodic table of elements. Osmium is a hard, brittle, bluish-white transition metal in the platinum group that is found as a trace element in alloys, mostly in platinum ores. The chemical symbol for Aluminum is Al. 0 0. plays_poorly... Lv 7. Antimony is a chemical element with atomic number 51 which means there are 51 protons and 51 electrons in the atomic structure. The chemical symbol for Uranium is U. Lutetium is the last element in the lanthanide series, and it is traditionally counted among the rare earths. Iodine is the least abundant of the stable halogens, being the sixty-first most abundant element. Antimony is a silvery-white metal that is found in the earth's crust. Its boiling point is the lowest among all the elements. The chemical symbol for Molybdenum is Mo. Electron configuration of Antimony is [Kr] 4d10 5s2 5p3. Entire website is based on our own personal perspectives, and do not represent the views of any company of nuclear industry. The N 5 +, P 5 +, and As 5 + ions are not known species. 4 ( x) + 6 ( -2 ) = 0. The chemical symbol for Caesium is Cs. 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. If you want to get in touch with us, please do not hesitate to contact us via e-mail: Discoverer: Ramsey, Sir William and Cleve, Per Teodor. When did organ music become associated with baseball? Palladium is a chemical element with atomic number 46 which means there are 46 protons and 46 electrons in the atomic structure. Fermium is a chemical element with atomic number 100 which means there are 100 protons and 100 electrons in the atomic structure. Thorium is a chemical element with atomic number 90 which means there are 90 protons and 90 electrons in the atomic structure. Mendelevium is a metallic radioactive transuranic element in the actinide series, it is the first element that currently cannot be produced in macroscopic quantities. Holmium is a part of the lanthanide series, holmium is a rare-earth element. Xenon is a colorless, dense, odorless noble gas found in the Earth’s atmosphere in trace amounts. The chemical symbol for Nobelium is No. Indium is a post-transition metal that makes up 0.21 parts per million of the Earth’s crust. Mercury is commonly known as quicksilver and was formerly named hydrargyrum. The quantity of antimony in an ore can be determined by an oxidation-reduction titration with an oxidizing agent. 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