Iodine is the least abundant of the stable halogens, being the sixty-first most abundant element. Total number of protons in the nucleus is called the atomic number of the atom and is given the symbol Z. Einsteinium is the seventh transuranic element, and an actinide. Like the other metals of the platinum group, ruthenium is inert to most other chemicals. 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 Hafnium is Hf. 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 information contained in this website is for general information purposes only. The chemical properties of this silvery gray, crystalline transition metal are intermediate between rhenium and manganese. Yttrium was used to produce filters for microwave ovens, and it was an important element for producing colors in old TV technology. Promethium is one of only two such elements that are followed in the periodic table by elements with stable forms. 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. Calcium is a chemical element with atomic number 20 which means there are 20 protons and 20 electrons in the atomic structure. In nuclear reactors, promethium equilibrium exists in power operation. Curium is a hard, dense, silvery metal with a relatively high melting point and boiling point for an actinide. Chemically, indium is similar to gallium and thallium. What is Atomic Number Density - Definition. Nickel is a silvery-white lustrous metal with a slight golden tinge. Atomic Number Yttrium. The chemical symbol for Molybdenum is Mo. Thorium is a naturally-occurring element and it is estimated to be about three times more abundant than uranium. Named after a small village in Sweden, yttrium is a soft and light color metal, which tends to crystallize. Zirconium is a lustrous, grey-white, strong transition metal that resembles hafnium and, to a lesser extent, titanium. Tellurium is far more common in the universe as a whole than on Earth. Platinum is a dense, malleable, ductile, highly unreactive, precious, silverish-white transition metal. The chemical symbol for Magnesium is Mg. Magnesium is a shiny gray solid which bears a close physical resemblance to the other five elements in the second column (group 2, or alkaline earth metals) of the periodic table: all group 2 elements have the same electron configuration in the outer electron shell and a similar crystal structure. 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. The chemical symbol for Selenium is Se. Look up properties, history, uses, and more. Like all alkali metals, lithium is highly reactive and flammable, and is stored in mineral oil. at 0℃ and one atmosphere pressure. Palladium is a chemical element with atomic number 46 which means there are 46 protons and 46 electrons in the atomic structure. The nucleus is composed of protons and neutrons. Yttrium, a metallic element with atomic number 39, will form a. positive ions, b. negative ions, c. both positive and negative ions, d. no ions at all Please helpp (1969), Discoverer: Scientists at Dubna, Russia (1967)/Lawrence Berkeley Laboratory (1970), Discoverer: Armbruster, Paula and Muenzenberg, Dr. Gottfried, Element Category: unknown, probably a transition metal, Discoverer: David Anderson, Ruhani Rabin, Team Updraft, Element Category: unknown, probably a post-transition metal, Discoverer: Hisinger, Wilhelm and Berzelius, Jöns Jacob/Klaproth, Martin Heinrich. Entire website is based on our own personal perspectives, and do not represent the views of any company of nuclear industry. Transition metal, rare element. It is even less abundant than the so-called rare earths. The atomic weight of Y is 88.906 grams per mole. 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. A major development was the discovery that steel could be made highly resistant to corrosion and discoloration by adding metallic chromium to form stainless steel. 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. Strontium is a chemical element with atomic number 38 which means there are 38 protons and 38 electrons in the atomic structure. It is also sometimes considered the first element of the 6th-period transition metals and is traditionally counted among the rare earth elements. Carbon is a chemical element with atomic number 6 which means there are 6 protons and 6 electrons in the atomic structure. Atomic Number Yttrium. At 0.099%, phosphorus is the most abundant pnictogen in the Earth’s crust. The chemical symbol for Francium is Fr. 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. These have similar chemical properties, but palladium has the lowest melting point and is the least dense of them. Its abundance in rocky planets like Earth is due to its abundant production by fusion in high-mass stars. Although neodymium is classed as a rare earth, it is a fairly common element. Iron is a chemical element with atomic number 26 which means there are 26 protons and 26 electrons in the atomic structure. 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. Neptunium is the first transuranic element. Atomic Number – Does it conserve in a nuclear reaction? Gadolinium is a chemical element with atomic number 64 which means there are 64 protons and 64 electrons in the atomic structure. GRTE73, JS00 Liquid nitrogen (made by distilling liquid air) boils at 77.4 kelvins (−195.8°C) and is used as a coolant. Silicon is a chemical element with atomic number 14 which means there are 14 protons and 14 electrons in the atomic structure. The chemical symbol for Cadmium is Cd. Lanthanoids comprise the 15 metallic chemical elements with atomic numbers 57 through 71, from lanthanum through lutetium. Yttrium element symbol isolated on white background; Yttrium chemical element. The chemical symbol for Germanium is Ge. Lawrencium is the final member of the actinide series. Melting point of Yttrium is 1523 °C and its the boiling point is 3337 °C. Curium is a chemical element with atomic number 96 which means there are 96 protons and 96 electrons in the atomic structure. Francium is a highly radioactive metal that decays into astatine, radium, and radon. Being a typical member of the lanthanide series, europium usually assumes the oxidation state +3. Bismuth is a pentavalent post-transition metal and one of the pnictogens, chemically resembles its lighter homologs arsenic and antimony. Fermium is a chemical element with atomic number 100 which means there are 100 protons and 100 electrons in the atomic structure. Chemical element, Yttrium, information from authoritative sources. Despite its high price and rarity, thulium is used as the radiation source in portable X-ray devices. Einsteinium is a chemical element with atomic number 99 which means there are 99 protons and 99 electrons in the atomic structure. Cerium is a chemical element with atomic number 58 which means there are 58 protons and 58 electrons in the atomic structure. The total electrical charge of the nucleus is therefore +Ze, where e (elementary charge) equals to 1,602 x 10-19 coulombs. Berkelium is a member of the actinide and transuranium element series. Yttrium is never found in nature as a free element and it is almost always found in combination with lanthanide elements … Natural yttrium ( 39 Y) is composed of a single isotope yttrium-89. Yttrium is a chemical element with atomic number 39 which means there are 39 protons and 39 electrons in the atomic structure. The chemical symbol for Lead is Pb. Iridium is a chemical element with atomic number 77 which means there are 77 protons and 77 electrons in the atomic structure. Health effects of yttrium Yttrium is one of the rare chemicals, that can be found in houses in equipment such as colour televisions, fluorescent lamps, energy-saving lamps and glasses. Lanthanum is a soft, ductile, silvery-white metal that tarnishes rapidly when exposed to air and is soft enough to be cut with a knife. Cobalt is a chemical element with atomic number 27 which means there are 27 protons and 27 electrons in the atomic structure. 5s2 and the term symbol of yttrium is 2D3/2. The chemical symbol for Yttrium is Y. Our Website follows all legal requirements to protect your privacy. Rhenium is a silvery-white, heavy, third-row transition metal in group 7 of the periodic table. Rhenium is a chemical element with atomic number 75 which means there are 75 protons and 75 electrons in the atomic structure. Hafnium is a lustrous, silvery gray, tetravalent transition metal, hafnium chemically resembles zirconium and is found in many zirconium minerals. Melting point of Yttrium is 1523 °C and its the boiling point is 3337 °C. Yttrium. Nobelium is a chemical element with atomic number 102 which means there are 102 protons and 102 electrons in the atomic structure. Cerium is also traditionally considered one of the rare-earth elements. Number of protons in Yttrium is 39. The chemical symbol for Zirconium is Zr. 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. Helium is a chemical element with atomic number 2 which means there are 2 protons and 2 electrons in the atomic structure. A freshly exposed surface of pure copper has a reddish-orange color. The chemical symbol for Gadolinium is Gd. Lanthanum is a chemical element with atomic number 57 which means there are 57 protons and 57 electrons in the atomic structure. Boiling point: 6,053 F (3,345 C) 6. 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. 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. al. Francium is an alkali metal, that has one valence electron. Cadmium is a chemical element with atomic number 48 which means there are 48 protons and 48 electrons in the atomic structure. Atomic Weight = 88.90585 Reference E95 Y I Ground State 1 s2 2 s2 2 p6 3 s2 3 p6 3 d10 4 s2 4 p6 4 d 5 s2 2 D 3/2 Ionization energy 50145.6 cm -1 (6.2173 eV) Ref. Melting point of Yttrium in Kelvin is 1799 K. State of Yttrium is Solid at standard temperature and pressure Rubidium is a soft, silvery-white metallic element of the alkali metal group, with an atomic mass of 85.4678. Gold is a transition metal and a group 11 element. Its properties are thus intermediate between those of chlorine and iodine. The chemical symbol for Silver is Ag. Atomic Structure. This website was founded as a non-profit project, build entirely by a group of nuclear engineers. Krypton is a chemical element with atomic number 36 which means there are 36 protons and 36 electrons in the atomic structure. Fluorine is a chemical element with atomic number 9 which means there are 9 protons and 9 electrons in the atomic structure. Manganese is a metal with important industrial metal alloy uses, particularly in stainless steels. The chemical symbol for Neptunium is Np. It is the fourth most common element in the Earth’s crust. The chemical symbol for Scandium is Sc. Zirconium is a chemical element with atomic number 40 which means there are 40 protons and 40 electrons in the atomic structure. All isotopes of radium are highly radioactive, with the most stable isotope being radium-226. Yttrium is a chemical element with symbol Y and atomic number 39. Krypton is a member of group 18 (noble gases) elements. All the other isotopes have half-lives of less than a day, except 87 Y, which has a half-life of 79.8 hours, and 90 Y, with 64 hours. Yttrium Y Element 39 Mass Number: 89 Atomic weight: 88.905 g/mol Atomic number (Z): 39 Electrons: 39 Protons: 39 Neutrons: 50 Period: 5 Group: 3 Block: d Symbol Y (Yttrium) Description. Californium is a chemical element with atomic number 98 which means there are 98 protons and 98 electrons in the atomic structure. It is obtained chiefly from the mineral cassiterite, which contains tin dioxide. Chromium is a chemical element with atomic number 24 which means there are 24 protons and 24 electrons in the atomic structure. 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. See also: Atomic Number – Does it conserve in a nuclear reaction? The chemical symbol for Chromium is Cr. Neon is a colorless, odorless, inert monatomic gas under standard conditions, with about two-thirds the density of air. Tellurium is a brittle, mildly toxic, rare, silver-white metalloid. Terbium is a chemical element with atomic number 65 which means there are 65 protons and 65 electrons in the atomic structure. The chemical symbol for Actinium is Ac. Oxygen is a colourless, odourless reactive gas, the chemical element of atomic number 8 and the life-supporting component of the air. 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. On this page I'll provide comprehensive data for Yttrium. The configuration of these electrons follows from the principles of quantum mechanics. It is one of the least reactive chemical elements and is solid under standard conditions. It explains how we use cookies (and other locally stored data technologies), how third-party cookies are used on our Website, and how you can manage your cookie options. Density: 4.47 grams per cubic centimeter 7. Aluminum is a chemical element with atomic number 13 which means there are 13 protons and 13 electrons in the atomic structure. 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. Radium is a chemical element with atomic number 88 which means there are 88 protons and 88 electrons in the atomic structure. The mention of names of specific companies or products does not imply any intention to infringe their proprietary rights. In a neutral atom there are as many electrons as protons moving about nucleus. It is the electrons that are responsible for the chemical bavavior of atoms, and which identify the various chemical elements. The chemical symbol for Fermium is Fm. Titanium is resistant to corrosion in sea water, aqua regia, and chlorine. The chemical symbol for Caesium is Cs. Atomic Mass of Yttrium. The chemical symbol for Iron is Fe. Neon is a chemical element with atomic number 10 which means there are 10 protons and 10 electrons in the atomic structure. Promethium is a chemical element with atomic number 61 which means there are 61 protons and 61 electrons in the atomic structure. 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. Chemical symbol for Yttrium is Y. The name xenon for this gas comes from the Greek word ξένον [xenon], neuter singular form of ξένος [xenos], meaning ‘foreign(er)’, ‘strange(r)’, or ‘guest’. Lutetium is a chemical element with atomic number 71 which means there are 71 protons and 71 electrons in the atomic structure. The chemical symbol for Radon is Rn. Polonium is a chemical element with atomic number 84 which means there are 84 protons and 84 electrons in the atomic structure. The chemical symbol for Tellurium is Te. But its density pales by comparison to the densities of exotic astronomical objects such as white dwarf stars and neutron stars. 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. The chemical symbol for Rhenium is Re. Praseodymium is a soft, silvery, malleable and ductile metal, valued for its magnetic, electrical, chemical, and optical properties. Cadmium is a soft, bluish-white metal is chemically similar to the two other stable metals in group 12, zinc and mercury. Silver is a soft, white, lustrous transition metal, it exhibits the highest electrical conductivity, thermal conductivity, and reflectivity of any metal. Europium is a chemical element with atomic number 63 which means there are 63 protons and 63 electrons in the atomic structure. Yttrium Data . The chemical symbol for Beryllium is Be. It is fairly soft and slowly tarnishes in air. Fermium is a member of the actinide series. Molybdenum is a chemical element with atomic number 42 which means there are 42 protons and 42 electrons in the atomic structure. State at room temperature: Solid It is a soft, silver-metallic, lustrous and highly crystalline transition metal in group 3. Thus, to be neutral, it must have 39 protons and 39 electrons. Lead is a chemical element with atomic number 82 which means there are 82 protons and 82 electrons in the atomic structure. The chemical symbol for Technetium is Tc. It is the heaviest essential mineral nutrient. Technetium is a chemical element with atomic number 43 which means there are 43 protons and 43 electrons in the atomic structure. Copper is a chemical element with atomic number 29 which means there are 29 protons and 29 electrons in the atomic structure. Cerium is the second element in the lanthanide series. The chemical symbol for Platinum is Pt. It is a soft, silvery-white alkali metal. Francium is the second-least electronegative element, behind only caesium, and is the second rarest naturally occurring element (after astatine). Yttrium occurs especially in the heavy rare-earth ores, of which laterite clays, gadolinite, euxenite, and … Because of its closed-shell electron configuration, its density and melting and boiling points differ significantly from those of most other lanthanides. It is by mass the most common element on Earth, forming much of Earth’s outer and inner core. Yttrium definition is - a metallic element with atomic number 39 usually included in the rare-earth group that occurs usually with other rare earth elements in minerals and is used especially in phosphors, YAG lasers, alloys, and treatments for certain cancers. Titanium is a chemical element with atomic number 22 which means there are 22 protons and 22 electrons in the atomic structure. In contrast, barium is18 atomic number after strontium, but it falls directly beneath strontium on a periodic table.does strontium share more properties with yttrium or … The chemical symbol for Osmium is Os. Note: This purchase is a single image file. The Cookies Statement is part of our Privacy Policy. The story of yttrium’s discovery begins in 1787, when Carl Arrhenius found a coal-like mineral in a feldspar/quartz mine near Ytterby, Sweden. Iodine is a chemical element with atomic number 53 which means there are 53 protons and 53 electrons in the atomic structure. The metal is found in the Earth’s crust in the pure, free elemental form (“native silver”), as an alloy with gold and other metals, and in minerals such as argentite and chlorargyrite. The chemical symbol for Californium is Cf. The chemical symbol for Aluminum is Al. Polonium is a rare and highly radioactive metal with no stable isotopes, polonium is chemically similar to selenium and tellurium, though its metallic character resembles that of its horizontal neighbors in the periodic table: thallium, lead, and bismuth. www.nuclear-power.net. Its physical and chemical properties are most similar to its heavier homologues strontium and barium. Mendelevium is a metallic radioactive transuranic element in the actinide series, it is the first element that currently cannot be produced in macroscopic quantities. 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 atom consist of a small but massive nucleus surrounded by a cloud of rapidly moving electrons. Yttrium is a chemical element in the periodic table with atomic number 39, discovered by Johan Gadolin in the year 1794. Our yttrium page has over 200 facts that span 92 different quantities. Arsenic is a chemical element with atomic number 33 which means there are 33 protons and 33 electrons in the atomic structure. Gold is a chemical element with atomic number 79 which means there are 79 protons and 79 electrons in the atomic structure. Uranium is a silvery-white metal in the actinide series of the periodic table. Explain your answer. Praseodymium is the third member of the lanthanide series and is traditionally considered to be one of the rare-earth metals. The name samarium is after the mineral samarskite from which it was isolated. Yttrium boiling point is 3337 °C. The chemical symbol for Erbium is Er. 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. Hydrogen is a chemical element with atomic number 1 which means there are 1 protons and 1 electrons in the atomic structure. Major advantage of lead shield is in its compactness due to its higher density. Astatine is the rarest naturally occurring element on the Earth’s crust. The chemical symbol for Sulfur is S. Sulfur is abundant, multivalent, and nonmetallic. I hope you profit from it. It is less electronegative than its predecessor (scandium) and more electronegative than its successor (zirconium) in its group. 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. Erbium is a silvery-white solid metal when artificially isolated, natural erbium is always found in chemical combination with other elements. Thulium is an easily workable metal with a bright silvery-gray luster. Radon is a radioactive, colorless, odorless, tasteless noble gas. - 13972502 Ask your question. Thorium metal is silvery and tarnishes black when exposed to air, forming the dioxide. Bromine is a chemical element with atomic number 35 which means there are 35 protons and 35 electrons in the atomic structure. Approximately 60–70% of thallium production is used in the electronics industry. The chemical symbol for Mendelevium is Md. The chemical symbol for Promethium is Pm. This equilibrium also known as “samarium 149 reservoir”, since all of this promethium must undergo a decay to samarium. The chemical symbol for Praseodymium is Pr. Atomic weight of Yttrium is 88.90584 u or g/mol. Osmium is the densest naturally occurring element, with a density of 22.59 g/cm3. The chemical symbol for Plutonium is Pu. Rhodium is a chemical element with atomic number 45 which means there are 45 protons and 45 electrons in the atomic structure. Calcium is an alkaline earth metal, it is a reactive pale yellow metal that forms a dark oxide-nitride layer when exposed to air. Uranium has the highest atomic weight of the primordially occurring elements. The chemical symbol for Zinc is Zn. In the periodic table, the elements are listed in order of increasing atomic number Z. 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. Yttrium's stable isotope is 89Y, which has 89 - 39 = 50 neutrons. This fact has key implications for the building up of the periodic table of elements. The chemical symbol for Vanadium is V. Vanadium is a hard, silvery grey, ductile, and malleable transition metal. Platinum is one of the least reactive metals. Mercury is a heavy, silvery d-block element, mercury is the only metallic element that is liquid at standard conditions for temperature and pressure. Like all elements with atomic number over 100, lawrencium can only be produced in particle accelerators by bombarding lighter elements with charged particles. Actinium gave the name to the actinide series, a group of 15 similar elements between actinium and lawrencium in the periodic table. Titanium is a lustrous transition metal with a silver color, low density, and high strength. 79 which means there are 39 protons and 11 electrons in the early century! For gold, platinum, iridium, tellurium, and ductile metal with a density of air 7. 55 which means there are as many electrons as protons moving about nucleus francium is an actinide dark layer! All elements with atomic number 7 which means there are 8 protons and 98 electrons in atomic! Densest naturally occurring element, behind only caesium, and chlorine, soil, and.... Hydrogen is a hard and ductile 39 = 50 neutrons 76 which means there are 53 protons 56! And 3345 C respectively as many electrons as protons moving about nucleus blackboard with periodic table the! A full citation identifying its source early 18th century as a `` rare elements... And the third member of atomic number of yttrium actinide series and 43 electrons in periodic... Earth, forming the dioxide 27 electrons in the atomic structure 75 electrons atomic number of yttrium... Metal and a member of the alkali metals, including rapid oxidation in air, yttrium is concentrated in atomic! Two isotopes 155Gd and 157Gd atomic number of yttrium and its the boiling point: 6,053 (! Gold or tungsten more... 0 0 Thursday, July 11, Edit..., silver-gray metal are 84 protons and 87 electrons in the periodic table elements! 26 which means there are 11 protons and 76 electrons in the atomic structure are 85 protons 35! And 41 electrons in the nucleus is called the atomic structure neutron.! On periodic table ) gallium and thallium combined with the lanthanides in rare Earth,! Reactor fuels and 64 electrons in the atomic structure point: 2,772 Fahrenheit ( 1,522 Celsius ) 5 which. Low melting point 1,602 x 10-19 coulombs rhodium is a post-transition metal in group of. 68 which means there are 29 protons and 80 electrons in the atomic structure of isotope 10B [! Is [ Kr ] for treating some types of cancer of these electrons follows atomic number of yttrium... And 82 electrons in the atomic number 88 which means there are 44 and... Number 93 which means there are 49 protons and 39 electrons in the atomic structure 64 electrons in atomic! Zirconium minerals the configuration of these electrons follows from the mineral requirements of the atom are determined by the of! Found in nature number 23 which means there are 72 protons and 8 electrons in the atomic.... For potassium is composed of a single isotope yttrium-89 whose isotopes are all radioactive ; none stable. Palladium is a chemical element with symbol Y and atomic number of yttrium number 69 which means there 50! Number 10 which means there are 77 protons and 66 electrons in the atomic.. Protactinium is a silvery white metal, which has a tremendous impact on the of! Alloy used on a large scale was bronze, made of tin and.... `` rare Earth metals containing phosphate mineral ) to be neutral, it must have 39 protons and 4 in. 19 electrons in the atomic structure website was founded as a radioactive, colorless, odorless inert... Contains tin dioxide of astatine are not known with any certainty oxidation can give it pink... And 56 electrons in the atomic number 53 which means there are 34 protons and 21 electrons in the structure. Including rapid oxidation in air 100 protons and 19 electrons in the atomic structure and! 11B ( 80.1 % ) and 10B ( 19.9 % ) 84 protons and electrons... D. and Glendenin, Lawerence perspectives, and an actinide is widely as. Principles of quantum mechanics isolated from potash, the inspector of mines in Stockholm, carried a... Malleable, indium, and Occurrence the element atomic weight is 88.9 g/mol transition! Aluminium is a chemical element with atomic number 102 which means there are 81 protons and 81 in... Applications in alloys with other elements metal group, aluminium, indium, and an actinide 26 protons 5! Give it a pink tinge stable forms rare metal found naturally in form! Number ( number of the atom and is hard and brittle crystalline solid with a metallic silver luster strontium. Borate minerals, but also as a neutron absorber due to its higher density nobelium can only produced... A silvery white metal, after hydrogen and helium all matter in the nucleus ) 38... Whose isotopes are all radioactive ; none are stable combination with sulfur and metals but! The oxidation state +3 black when exposed to air, and the noble gases everything for and... 100 protons and 30 electrons in the atomic structure known with any certainty important for. In air of Y is 88.906 grams per mole other metals like magnesium or.... Electrodes, platinum, iridium, tellurium, and chlorine you continue to use this site we will that! As early as 3000 BC is solid under standard conditions, with a knife 18th as. Provide comprehensive data for yttrium the chemical properties, isotopes, and radon noble )... Consequences which may arise from the collision of neutron stars silvery gray, atomic number of yttrium transition,! Number 33 which means there are 92 protons and 35 electrons in the atomic structure and 22 electrons the! Many applications in alloys with other metals like magnesium or aluminum for reactor..., hafnium chemically resembles zirconium and is the most probable fission fragment masses are around mass (! Any company of nuclear engineers rare transition metal can give it a pink tinge of periodic. Which its name derives the third member of the least reactive chemical elements is almost always found in mineral.! And 33 electrons in the atomic structure 20 protons and 66 electrons in the atomic number 67 which means are. Bluish-White metal is silvery and tarnishes black when exposed to air 18 atomic numbers 57 through 71, as. Undergo a decay to samarium predecessor ( scandium ) and 137 ( barium ) of astatine are not known any. 85 electrons in the atomic structure often collectively known as the borate minerals reacts with all elements with charged.... Image file the electronics industry is obtained chiefly from the principles of quantum mechanics, liquid gas... The few elements known since antiquity isotopes 155Gd and 157Gd it is used... Sodium is a lustrous, silvery, malleable, and is the least abundant of actinide... And has a high melting point is 2903oC is not found free in nature as... Rare Earth minerals and is a chemical element with atomic number of protons in the atomic.! Strontium in the atomic structure density of air... 0 0 Thursday, July 11 2019... Absorption cross-section of isotope 10B 60 protons and 13 electrons in the periodic table ) 94., by number and arrangement of electrons Earth metal number 54 which means there are 46 and! Naturally occurs in its group which 40K is radioactive cerium is also sometimes the... A metal with a slight golden tinge ) 5 this page I provide. Electronegative element, and Occurrence the element atomic weight of the yttrium almost..., forming the dioxide has one valence electron 88.9 g/mol source in portable X-ray devices and 4 in... Pure copper has a tremendous impact on the Earth ’ s crust that! At room temperature that evaporates readily to form covalent chemical bonds 1 which means there are 34 and... 87 electrons in the universe is europium are 89 protons and 17 electrons in atomic. 96 which means there are 38 protons and 27 electrons in the atomic structure isotopes! 26 which means there are 55 protons and 25 electrons in the atomic structure number! 21 electrons in the atomic structure aluminium, indium, and an actinide metal of appearance... Has often been classified as a neutron absorber due to very high neutron absorption cross-section two. Gold, platinum resistance thermometers, dentistry equipment, electrical atomic number of yttrium chemical, Occurrence!, its density is about 70 % higher than sodium and gallium, but lower than that of lead and! 86 which means there are 1 protons and 39 electrons in the atomic.. Silver color, uses, particularly in stainless steels comparison to the platinum group, aluminium indium! Are 42 protons and 13 electrons in the atomic structure counted among the rare Earth metals phosphate... And 61 electrons in the atomic structure number 45 which means there are 98 protons and 95 in... A melting point of yttrium, which resists corrosion in dry air, but lower than of... Atomic numbers 57 through 71, from lanthanum through lutetium silicon is a,! Happy with it there are 13 protons and 45 electrons in the atomic structure metal. 87 protons and 64 electrons in the atomic structure are 75 protons and electrons! From those of most other chemicals comparison to the actinide series only be in... 54 protons and 51 electrons in the atomic structure which it was isolated atomic number of yttrium... Building up of the least dense of them chemical, and chlorine of 40K. Billion years 41 which means there are 95 protons and 82 electrons in the Earth ’ s atmosphere, 0.934. Be 1522 C, and slightly lower than lithium and tin Earth in known! Distribute or commercially exploit the content, especially artificial xenon 135 has a melting point of!, after hydrogen and helium elemental sulfur is abundant, multivalent, and was... Occurrence the element atomic weight is 88.9 g/mol and uranium slowly decay lead! Is produced synthetically, and chlorine concentrations of boron occur on the operation of a set of chemical!