The chemical symbol for Phosphorus is P. As an element, phosphorus exists in two major forms—white phosphorus and red phosphorus—but because it is highly reactive, phosphorus is never found as a free element on Earth. (See Crystal Structure Activity) Body Centered Cubic Face Centered Cubic Figure 4: Unit cells for BCC and FCC. Ruthenium is a rare transition metal belonging to the platinum group of the periodic table. Sodium is a soft, silvery-white, highly reactive metal. Solution: Use \rho=\frac{n\cdot A}{V_{c}\cdot N_{a}} Where n is the number of atoms in the structure, A is the atomic mass, V_{c} represents the volume of the cube, and N_{a} is Avogadro’s number. The chemical symbol for Mendelevium is Md. In nuclear industry, especially natural and artificial samarium 149 has an important impact on the operation of a nuclear reactor. Nobelium is the tenth transuranic element and is the penultimate member of the actinide series. Its boiling point is the lowest among all the elements. 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). Aluminium is a prominent “group 13” element, a member of the Boron family. Europium is one of the least abundant elements in the universe. The chemical symbol for Potassium is K. Potassium was first isolated from potash, the ashes of plants, from which its name derives. This chemical compound tends to form different types of structure when it is exposed to varying temperatures. 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. The chemical symbol for Iodine is I. Iodine is the heaviest of the stable halogens, it exists as a lustrous, purple-black metallic solid at standard conditions that sublimes readily to form a violet gas. The nucleus consists of 13 protons (red) and 14 neutrons (yellow). It rarely occurs in its elemental state or as pure ore compounds in the Earth’s crust. Bismuth is a brittle metal with a silvery white color when freshly produced, but surface oxidation can give it a pink tinge. A metalloid is a type of chemical element which has a preponderance of properties in between, or that are a mixture of, those of metals and nonmetals.There is no standard definition of a metalloid and no complete agreement on which elements are metalloids. The information contained in this website is for general information purposes only. The crystalline structure of Al is FCC. 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 nuclear industry, especially natural and artificial samarium 149 has an important impact on the operation of a nuclear reactor. Protactinium is a chemical element with atomic number 91 which means there are 91 protons and 91 electrons in the atomic structure. Fermium is a member of the actinide series. It is occasionally found in native form as elemental crystals. Its extreme rarity in the Earth’s crust, comparable to that of platinum. Plutonium is a chemical element with atomic number 94 which means there are 94 protons and 94 electrons in the atomic structure. Carbon is one of the few elements known since antiquity. The chemical symbol for Krypton is Kr. Plutonium. Being a typical member of the lanthanide series, europium usually assumes the oxidation state +3. The chemical symbol for Strontium is Sr. Strontium is an alkaline earth metal, strontium is a soft silver-white yellowish metallic element that is highly reactive chemically. Chemically, indium is similar to gallium and thallium. Copper is a chemical element with atomic number 29 which means there are 29 protons and 29 electrons in the atomic structure. Thallium is a soft gray post-transition metal is not found free in nature. Bismuth is a pentavalent post-transition metal and one of the pnictogens, chemically resembles its lighter homologs arsenic and antimony. Aluminium-28 atom is the radioactive isotope of aluminium with relative atomic mass 27.981910 and half-life of 2.25 min. The chemical symbol for Selenium is Se. Electronic configuration of Aluminium atom: (Z = 13) K shell = 2 , L shell = 8 and M shell = 3 electron. The chemical symbol for Nickel is Ni. All isotopes of radium are highly radioactive, with the most stable isotope being radium-226. Each Al 3+ center is octahedral. The chemical symbol for Caesium is Cs. The chemical symbol for Rhodium is Rh. Arsenic occurs in many minerals, usually in combination with sulfur and metals, but also as a pure elemental crystal. In nuclear industry cadmium is commonly used as a thermal neutron absorber due to very high neutron absorption cross-section of 113Cd. Americium is a transuranic member of the actinide series, in the periodic table located under the lanthanide element europium, and thus by analogy was named after the Americas. Calcium is a chemical element with atomic number 20 which means there are 20 protons and 20 electrons in the atomic structure. Like all elements with atomic number over 100, nobelium can only be produced in particle accelerators by bombarding lighter elements with charged particles. It occurs on Earth as the decay product of various heavier elements. Thulium is a chemical element with atomic number 69 which means there are 69 protons and 69 electrons in the atomic structure. Thallium is a soft gray post-transition metal is not found free in nature. Our Website follows all legal requirements to protect your privacy. 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. Bismuth is a brittle metal with a silvery white color when freshly produced, but surface oxidation can give it a pink tinge. What drives the crystal structure to be HCP, BCC, FCC and SC ? Palladium is a chemical element with atomic number 46 which means there are 46 protons and 46 electrons in the atomic structure. The chemical symbol for Aluminum is Al . The elemental metal is rarely found in nature, but once isolated artificially, the formation of an oxide layer (passivation) stabilizes the free metal somewhat against further oxidation. Atomic Structure Symbol Al Atomic Number 13 Atomic Mass g/mol Periodic Table Group 13 Row / Period 3 Element Category Duusra dhaatu Chhapa Aluminium ke electron shell. It's the third most common of all the elements found in the earth's crust (oxygen and silicon being found more). The chemical symbol for Lead is Pb. By mass, oxygen is the third-most abundant element in the universe, after hydrogen and helium. The chemical symbol for Berkelium is Bk. The chemical symbol for Caesium is Cs. Holmium is a part of the lanthanide series, holmium is a rare-earth element. The chemical symbol for Copper is Cu. Caesium has physical and chemical properties similar to those of rubidium and potassium. Argon is a chemical element with atomic number 18 which means there are 18 protons and 18 electrons in the atomic structure. The chemical symbol for Rhenium is Re. Manganese is a metal with important industrial metal alloy uses, particularly in stainless steels. Carbon is a chemical element with atomic number 6 which means there are 6 protons and 6 electrons in the atomic structure. Discoverer: Davy, Sir H. and Thénard, L.-J. The chemical symbol for Zirconium is Zr. Elemental rubidium is highly reactive, with properties similar to those of other alkali metals, including rapid oxidation in air. Molybdenum is a chemical element with atomic number 42 which means there are 42 protons and 42 electrons in the atomic structure. Scandium is a chemical element with atomic number 21 which means there are 21 protons and 21 electrons in the atomic structure. The oxygen ions form a nearly hexagonal close-packed structure with the aluminium ions filling two-thirds of the octahedral interstices. Thorium is moderately hard, malleable, and has a high melting point. The chemical symbol for Fluorine is F. Fluorine is the lightest halogen and exists as a highly toxic pale yellow diatomic gas at standard conditions. The chemical symbol for Molybdenum is Mo. By mass, oxygen is the third-most abundant element in the universe, after hydrogen and helium. Platinum is used in catalytic converters, laboratory equipment, electrical contacts and electrodes, platinum resistance thermometers, dentistry equipment, and jewelry. The chemical symbol for Niobium is Nb. of water. The chemical symbol for Chromium is Cr. It is also sometimes considered the first element of the 6th-period transition metals and is traditionally counted among the rare earth elements. But its density pales by comparison to the densities of exotic astronomical objects such as white dwarf stars and neutron stars. Yttrium is a chemical element with atomic number 39 which means there are 39 protons and 39 electrons in the atomic structure. 1) You may use almost everything for non-commercial and educational use. Above 9 0 0 ∘ C, it transforms to fcc structure. In nuclear reactors, promethium equilibrium exists in power operation. Where 27 is the mass number, A; and 13 is atomic number, Z. Praseodymium is the third member of the lanthanide series and is traditionally considered to be one of the rare-earth metals. Samarium is a typical member of the lanthanide series, it is a moderately hard silvery metal that readily oxidizes in air. W. Witt, Z. Naturforsch. The chemical symbol for Iodine is I. Iodine is the heaviest of the stable halogens, it exists as a lustrous, purple-black metallic solid at standard conditions that sublimes readily to form a violet gas. The chemical symbol for Aluminum is Al. Osmium is the densest naturally occurring element, with a density of 22.59 g/cm3. Aluminum is an excellent conductor of heat and electricity. Iodine is a chemical element with atomic number 53 which means there are 53 protons and 53 electrons in the atomic structure. The chemical symbol for Praseodymium is Pr. Iridium is a chemical element with atomic number 77 which means there are 77 protons and 77 electrons in the atomic structure. Lawrencium is the final member of the actinide series. The free element, produced by reductive smelting, is a hard, lustrous, silver-gray metal. It is a colorless, odorless, tasteless, non-toxic, inert, monatomic gas, the first in the noble gas group in the periodic table. Platinum is a dense, malleable, ductile, highly unreactive, precious, silverish-white transition metal. The chemical symbol for Gadolinium is Gd. Mercury is a heavy, silvery d-block element, mercury is the only metallic element that is liquid at standard conditions for temperature and pressure. Gold is a chemical element with atomic number 79 which means there are 79 protons and 79 electrons in the atomic structure. The chemical symbol for Ytterbium is Yb. Aluminium is extracted from Bauxite using electrolysis as it is more reactive than Carbon. Niobium is a soft, grey, ductile transition metal, often found in the minerals pyrochlore (the main commercial source for niobium) and columbite. Iodine is the least abundant of the stable halogens, being the sixty-first most abundant element. Its physical and chemical properties are most similar to its heavier homologues strontium and barium. Francium is an alkali metal, that has one valence electron. Aluminium(or aluminumin North American English) is a chemical elementin the periodic tablethat has the symbol Al and atomic number13. 2 which means there are 3 protons and 27 electrons in the atomic structure ; skip page... The planet 12 electrons in the atomic structure 97 electrons in the atomic structure octahedral... 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