It is a noble metal and a member of the platinum group. Yttrium Overview. Discoverer: Davy, Sir H. and Thénard, L.-J. Elemental rubidium is highly reactive, with properties similar to those of other alkali metals, including rapid oxidation in air. The chemical symbol for Praseodymium is Pr. Platinum is a dense, malleable, ductile, highly unreactive, precious, silverish-white transition metal. Erbium is a silvery-white solid metal when artificially isolated, natural erbium is always found in chemical combination with other elements. Lead is a chemical element with atomic number 82 which means there are 82 protons and 82 electrons in the atomic structure. Uranium has the highest atomic weight of the primordially occurring elements. Dysprosium is used for its high thermal neutron absorption cross-section in making control rods in nuclear reactors, for its high magnetic susceptibility in data storage applications. Zirconium is a chemical element with atomic number 40 which means there are 40 protons and 40 electrons in the atomic structure. Its density is about 70% higher than that of lead, and slightly lower than that of gold or tungsten. The chemical symbol for Astatine is At. Iron is a metal in the first transition series. It is a member of the chalcogen group on the periodic table, a highly reactive nonmetal, and an oxidizing agent that readily forms oxides with most elements as well as with other compounds. at 0℃ and one atmosphere pressure. Its properties are thus intermediate between those of chlorine and iodine. In nuclear industry, especially artificial xenon 135 has a tremendous impact on the operation of a nuclear reactor. Technetium is a chemical element with atomic number 43 which means there are 43 protons and 43 electrons in the atomic structure. Arsenic occurs in many minerals, usually in combination with sulfur and metals, but also as a pure elemental crystal. Yttrium is a chemical element in the periodic table with atomic number 39, discovered by Johan Gadolin in the year 1794. The chemical symbol for Zirconium is Zr. Like all alkali metals, lithium is highly reactive and flammable, and is stored in mineral oil. It readily forms hard, stable carbides in alloys, and for this reason most of world production of the element (about 80%) is used in steel alloys, including high-strength alloys and superalloys. Caesium has physical and chemical properties similar to those of rubidium and potassium. Yttrium is a soft, silver transition metal. Curium is a hard, dense, silvery metal with a relatively high melting point and boiling point for an actinide. The chemical symbol for Molybdenum is Mo. 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. Beryllium is a chemical element with atomic number 4 which means there are 4 protons and 4 electrons in the atomic structure. The chemical symbol for Tantalum is Ta. The chemical symbol for Nickel is Ni. The most commonly used spontaneous fission neutron source is the radioactive isotope californium-252. Number of protons in Yttrium is 39. The nucleus is composed of protons and neutrons. The most stable radioisotopes are 88 Y, which has a half-life of 106.6 days and 91 Y with a half-life of 58.51 days. Gold is a bright, slightly reddish yellow, dense, soft, malleable, and ductile metal. Similar Illustrations See All. The chemical symbol for Gold is Au. Our Privacy Policy is a legal statement that explains what kind of information about you we collect, when you visit our Website. Chemically, sulfur reacts with all elements except for gold, platinum, iridium, tellurium, and the noble gases. Neon is a colorless, odorless, inert monatomic gas under standard conditions, with about two-thirds the density of air. Boiling point of Yttrium in Kelvin is 3609 K. Yttrium melting point is 1523 °C. The chemical symbol for Oxygen is O. Astatine is the rarest naturally occurring element on the Earth’s crust. Tellurium is a chemical element with atomic number 52 which means there are 52 protons and 52 electrons in the atomic structure. It has high melting point, about 1526oC and boiling point is 2903oC. The chemical symbol for Lawrencium is Lr. The chemical symbol for Fermium is Fm. The chemical symbol for Francium is Fr. Gadolinium belongs to a rare earth elements (it is one of a set of seventeen chemical elements in the periodic table). The chemical symbol for Europium is Eu. Atomic Number of Yttrium + Info, Color, Uses and more... 0 0 Thursday, July 11, 2019 Edit this post. It is the fifth most abundant element in Earth’s crust and the third most abundant metal, after iron and aluminium. The output of yttrium is about 600 tonnes per year, measured as yttrium oxide, and world reserves are estimated to be around 9 million tonnes. Scandium is a chemical element with atomic number 21 which means there are 21 protons and 21 electrons in the atomic structure. Total number of protons in the nucleus is called the atomic number of the atom and is given the symbol Z. The chemical symbol for Holmium is Ho. 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. The chemical symbol for Uranium is U. Yttrium is a chemical element with atomic number 39 which means there are 39 protons and 39 electrons in the atomic structure. 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 Silicon is Si. We assume no responsibility for consequences which may arise from the use of information from this website. Very soft and malleable, indium has a melting point higher than sodium and gallium, but lower than lithium and tin. Lead is soft and malleable, and has a relatively low melting point. Natural yttrium ( 39 Y) is composed of a single isotope yttrium-89. Phosphorus is a chemical element with atomic number 15 which means there are 15 protons and 15 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. Lanthanoids comprise the 15 metallic chemical elements with atomic numbers 57 through 71, from lanthanum through lutetium. Discoverer: Scientists at Dubna, Russia (1964)/Albert Ghiorso et. The chemical symbol for Bismuth is Bi. Explain your answer. The atomic number of yttrium (Y) is 39. Silver is a soft, white, lustrous transition metal, it exhibits the highest electrical conductivity, thermal conductivity, and reflectivity of any metal. The chemical symbol for Gadolinium is Gd. Lead is a heavy metal that is denser than most common materials. Thorium metal is silvery and tarnishes black when exposed to air, forming the dioxide. Pure radium is silvery-white alkaline earth metal. The chemical symbol for Samarium is Sm. The chemical symbol for Chromium is Cr. Tantalum is a chemical element with atomic number 73 which means there are 73 protons and 73 electrons in the atomic structure. The chemical symbol for Mendelevium is Md. Mendelevium is a metallic radioactive transuranic element in the actinide series, it is the first element that currently cannot be produced in macroscopic quantities. 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