TheÂ chemical symbolÂ for Thulium isÂ Tm. TheÂ chemical symbolÂ for Niobium isÂ Nb. TheÂ chemical symbolÂ for Calcium isÂ Ca. read more. Thorium is moderately hard, malleable, and has a high melting point. In nuclear industry gadolinium is commonly used as a neutron absorber due to very high neutron absorbtion cross-section of two isotopes 155Gd and 157Gd. Platinum is one of the least reactive metals. TheÂ chemical symbolÂ for Beryllium isÂ Be. Praseodymium is a soft, silvery, malleable and ductile metal, valued for its magnetic, electrical, chemical, and optical properties. 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. Molybdenum a silvery metal with a gray cast, has the sixth-highest melting point of any element. The name xenon for this gas comes from the Greek word Î¾ÎÎ½Î¿Î½ [xenon], neuter singular form of Î¾ÎÎ½Î¿Ï [xenos], meaning âforeign(er)â, âstrange(r)â, or âguestâ. Name, Sulfur. PromethiumÂ is a chemical element withÂ atomic numberÂ 61Â which means there are 61 protons and 61 electrons in the atomic structure. How many members arę in the league of assasins? TitaniumÂ is a chemical element withÂ atomic numberÂ 22Â which means there are 22 protons and 22 electrons in the atomic structure. Zirconium is a lustrous, grey-white, strong transition metal that resembles hafnium and, to a lesser extent, titanium. ZirconiumÂ is a chemical element withÂ atomic numberÂ 40Â which means there are 40 protons and 40 electrons in the atomic structure. Terbium is a silvery-white, rare earth metal that is malleable, ductile, and soft enough to be cut with a knife. There are over 100 different borate minerals, but the most common are: borax, kernite, ulexite etc. All of its isotopes are radioactive. LithiumÂ is a chemical element withÂ atomic numberÂ 3Â which means there are 3 protons and 3 electrons in the atomic structure. TheÂ chemical symbolÂ for Strontium isÂ Sr. Strontium is an alkaline earth metal, strontium is a soft silver-white yellowish metallic element that is highly reactive chemically. GermaniumÂ is a chemical element withÂ atomic numberÂ 32Â which means there are 32 protons and 32 electrons in the atomic structure. This number defines the sulfur atom as a sulfur atom (i.e if there were 17 protons, the atom would be chlorine). Francium is the second-least electronegative element, behind only caesium, and is the second rarest naturally occurring element (after astatine). The various species of atoms whose nuclei contain particular numbers of protons and neutrons are calledÂ nuclides. TheÂ chemical symbolÂ for Francium isÂ Fr. read more, For ""^32S^(2-), there are 16 protons, 18 electrons, and 16 neutrons. TheÂ chemical symbolÂ for Hafnium isÂ Hf. Nearly all technetium is produced synthetically, and only minute amounts are found in the Earthâs crust. Symbol, S. Atomic Number, 16. Platinum is used in catalytic converters, laboratory equipment, electrical contacts and electrodes, platinum resistance thermometers, dentistry equipment, and jewelry. Normal Phase, Solid. TheÂ chemical symbolÂ for Tantalum isÂ Ta. In the periodic table, potassium is one of the alkali metals. The size and mass of atoms are so small that the use of normal measuring units, while possible, is often inconvenient. Titanium can be used in surface condensers. Although classified as a rare earth element, samarium is the 40th most abundant element in the Earthâs crust and is more common than such metals as tin. It must be noted, especially nuclear cross-sections may vary by many orders from nuclide with the neutron number N to nuclide with the neutron number N+1. It is a colorless, odorless, tasteless, non-toxic, inert, monatomic gas, the first in the noble gas group in the periodic table. TheÂ chemical symbolÂ for Rubidium isÂ Rb. Each nuclide is denoted by chemical symbol of the element (this specifies Z) with tha atomic mass number as supescript. TheÂ chemical symbolÂ for Ruthenium isÂ Ru. Argon is mostly used as an inert shielding gas in welding and other high-temperature industrial processes where ordinarily unreactive substances become reactive; for example, an argon atmosphere is used in graphite electric furnaces to prevent the graphite from burning. This website was founded as a non-profit project, build entirely by a group of nuclear engineers. TheÂ chemical symbolÂ for Berkelium isÂ Bk. Under standard conditions, it is the lightest metal and the lightest solid element. TheÂ chemical symbolÂ for Iridium isÂ Ir. TheÂ chemical symbolÂ for Nickel isÂ Ni. Thorium is commonly found in monazite sands (rare earth metals containing phosphate mineral). TheÂ chemical symbolÂ for Gold isÂ Au. Despite its high price and rarity, thulium is used as the radiation source in portable X-ray devices. TheÂ chemical symbolÂ for Gallium isÂ Ga. Gallium has similarities to the other metals of the group, aluminium, indium, and thallium. Silver is a soft, white, lustrous transition metal, it exhibits the highest electrical conductivity, thermal conductivity, and reflectivity of any metal. TheÂ chemical symbolÂ for Polonium isÂ Po. Its monatomic form (H) is the most abundant chemical substance in the Universe, constituting roughly 75% of all baryonic mass. Tungsten is an intrinsically brittle and hard material, making it difficult to work. TheÂ chemical symbolÂ for Tellurium isÂ Te. TheÂ chemical symbolÂ for Protactinium isÂ Pa. Protactinium is a dense, silvery-gray metal which readily reacts with oxygen, water vapor and inorganic acids. IronÂ is a chemical element withÂ atomic numberÂ 26Â which means there are 26 protons and 26 electrons in the atomic structure. Francium is a highly radioactive metal that decays into astatine, radium, and radon. It is the heaviest essential mineral nutrient. TheÂ chemical symbolÂ for Krypton isÂ Kr. Neutron number is rarely written explicitly in nuclide symbol notation, but appears as a subscript to the right of the element symbol. 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 â a cation, which combines with anions to form salts. Palladium, platinum, rhodium, ruthenium, iridium and osmium form a group of elements referred to as the platinum group metals (PGMs). Like all alkali metals, lithium is highly reactive and flammable, and is stored in mineral oil. Curium is a hard, dense, silvery metal with a relatively high melting point and boiling point for an actinide. al. TheÂ chemical symbolÂ for Silver isÂ Ag. ChromiumÂ is a chemical element withÂ atomic numberÂ 24Â which means there are 24 protons and 24 electrons in the atomic structure. Actinium is a soft, silvery-white radioactive metal. One unified atomic mass unit isÂ approximatelyÂ the mass of one nucleon (either a single proton or neutron) and is numerically equivalent to 1 g/mol. Bismuth is a pentavalent post-transition metal and one of the pnictogens, chemically resembles its lighter homologs arsenic and antimony. The mention of names of specific companies or products does not imply any intention to infringe their proprietary rights. As a result, as the number of protons increases,Â an increasing ratio of neutrons to protons is neededÂ to form a stable nucleus. It occurs on Earth as the decay product of various heavier elements. Number of Neutrons, 16. Promethium is one of only two such elements that are followed in the periodic table by elements with stable forms. TheÂ chemical symbolÂ for Europium isÂ Eu. How many protons neutrons and electrons does carbon have? The chemical properties of this silvery gray, crystalline transition metal are intermediate between rhenium and manganese. Discoverer: Marinsky, Jacob A. and Coryell, Charles D. and Glendenin, Lawerence. AluminumÂ is a chemical element withÂ atomic numberÂ 13Â which means there are 13 protons and 13 electrons in the atomic structure. For example, actinides with odd neutron number are usually fissile (fissionable with slow neutrons) while actinides with even neutron number are usually not fissile (but are fissionable with fast neutrons). Gold is thought to have been produced in supernova nucleosynthesis, from the collision of neutron stars. Niobium is a soft, grey, ductile transition metal, often found in the minerals pyrochlore (the main commercial source for niobium) and columbite. Neutrons stabilize the nucleus, because they attract each other and protons , which helps offset the electrical repulsion between protons. It is obtained chiefly from the mineral cassiterite, which contains tin dioxide. Discoverer: McMillan, Edwin M. and Abelson, Philip H. Discoverer: Glenn T. Seaborg, Joseph W. Kennedy, Edward M. McMillan, Arthur C. Wohl, Discoverer: Glenn T. Seaborg, Ralph A. James, Leon O. Morgan, Albert Ghiorso, Discoverer: Glenn T. Seaborg, Ralph A. James, Albert Ghiorso, Discoverer: Stanley G. Thompson, Glenn T. Seaborg, Kenneth Street, Jr., Albert Ghiorso, Discoverer: Stanley G. Thompson, Glenn T. Seaborg, Bernard G. Harvey, Gregory R. Choppin, Albert Ghiorso, Discoverer: Albert Ghiorso, Glenn T. Seaborg, TorbÃ¸rn Sikkeland, John R. Walton, Discoverer: Albert Ghiorso, TorbjÃ¸rn Sikkeland, Almon E. Larsh, Robert M. Latimer, Copyright 2020 Periodic Table | All Rights Reserved |. TheÂ chemical symbolÂ for Thallium isÂ Tl. TheÂ chemical symbolÂ for Rhenium isÂ Re. Ano ang Imahinasyong guhit na naghahati sa daigdig sa magkaibang araw? TheÂ chemical symbolÂ for Praseodymium isÂ Pr. VanadiumÂ is a chemical element withÂ atomic numberÂ 23Â which means there are 23 protons and 23 electrons in the atomic structure. RutheniumÂ is a chemical element withÂ atomic numberÂ 44Â which means there are 44 protons and 44 electrons in the atomic structure. Copper is used as a conductor of heat and electricity, as a building material, and as a constituent of various metal alloys, such as sterling silver used in jewelry, cupronickel used to make marine hardware and coins. How many protons, neutrons, and electrons does boron have? TheÂ chemical symbolÂ for Manganese isÂ Mn. By mass, aluminium makes up about 8% of the Earthâs crust; it is the third most abundant element after oxygen and silicon and the most abundant metal in the crust, though it is less common in the mantle below. Discoverer: Corson, Dale R. and Mackenzie, K. R. The actinide or actinoid series encompasses the 15 metallic chemical elements with atomic numbers from 89 to 103, actinium through lawrencium.