Atomic number of yttrium. Actinium gave the name to the actinide series, a group of 15 similar elements between actinium and lawrencium in the periodic table. Cerium is the second element in the lanthanide series. Transition metal, rare element. Chlorine is a yellow-green gas at room temperature. The chemical symbol for Uranium is U. Atomic Number of Yttrium Atomic Number of Yttrium is 39. The ground state electronic configuration of neutral yttrium is [ Kr ]. Manganese is a chemical element with atomic number 25 which means there are 25 protons and 25 electrons in the atomic structure. Atomic Radius: 2.27Å Atomic Volume: 19.8cm 3 /mol Covalent Radius: 1.62Å Cross Section (Thermal Neutron Capture) Barns: 1.28 ; Crystal Structure: Hexagonal Electron Configuration: 1s 2 2s 2 p 6 3s 2 p 6 d 10 4s 2 p 6 d 1 5s 2; Electrons per Energy Level: 2, 8, 18, 9, 2 Ionic Radius: 0.9Å Filling Orbital: 4d 1 Number of Electrons (with no charge): 39 It is by mass the most common element on Earth, forming much of Earth’s outer and inner core. Like all elements with atomic number over 100, lawrencium can only be produced in particle accelerators by bombarding lighter elements with charged particles. Iodine is the least abundant of the stable halogens, being the sixty-first most abundant element. Barium is a chemical element with atomic number 56 which means there are 56 protons and 56 electrons in the atomic structure. Bismuth is a chemical element with atomic number 83 which means there are 83 protons and 83 electrons in the atomic structure. Promethium is one of only two such elements that are followed in the periodic table by elements with stable forms. E. Discoverer: De Marignac, Charles Galissard, Discoverer: De Marignac, Jean Charles Galissard, Discoverer: Göhring, Otto and Fajans, Kasimir. At 0.099%, phosphorus is the most abundant pnictogen in the Earth’s crust. The chemical symbol for Silver is Ag. Areas covered include atomic structure, physical properties, atomic interaction, thermodynamics, identification, atomic size, crystal structure, history, abundances, and nomenclature. 4d1. Although neodymium is classed as a rare earth, it is a fairly common element. Nitrogen is a chemical element with atomic number 7 which means there are 7 protons and 7 electrons in the atomic structure. The chemical properties of the atom are determined by the number of protons, in fact, by number and arrangement of electrons. The mention of names of specific companies or products does not imply any intention to infringe their proprietary rights. Silicon is a hard and brittle crystalline solid with a blue-grey metallic lustre, it is a tetravalent metalloid and semiconductor. Natural yttrium ( 39 Y) is composed of a single isotope yttrium-89. In fact their absorption cross-sections are the highest among all stable isotopes. 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 Samarium is Sm. Arsenic is a metalloid. The chemical symbol for Molybdenum is Mo. The chemical properties of this silvery gray, crystalline transition metal are intermediate between rhenium and manganese. Liquid nitrogen (made by distilling liquid air) boils at 77.4 kelvins (−195.8°C) and is used as a coolant. 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. 88.90585 atomic mass units. Silicon is a chemical element with atomic number 14 which means there are 14 protons and 14 electrons in the atomic structure. Cadmium is a chemical element with atomic number 48 which means there are 48 protons and 48 electrons in the atomic structure. He reported that the miner… Xenon is a chemical element with atomic number 54 which means there are 54 protons and 54 electrons in the atomic structure. Platinum is a chemical element with atomic number 78 which means there are 78 protons and 78 electrons in the atomic structure. 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. Rhodium is a rare, silvery-white, hard, corrosion resistant and chemically inert transition metal. Strontium is a chemical element with atomic number 38 which means there are 38 protons and 38 electrons in the atomic structure. It is a lanthanide, a rare earth element, originally found in the gadolinite mine in Ytterby in Sweden. Indium is a post-transition metal that makes up 0.21 parts per million of the Earth’s crust. It is obtained chiefly from the mineral cassiterite, which contains tin dioxide. Osmium is the densest naturally occurring element, with a density of 22.59 g/cm3. Uranium has the highest atomic weight of the primordially occurring elements. Yttrium occurs especially in the heavy rare-earth ores, of which laterite clays, gadolinite, euxenite, and … Thorium is moderately hard, malleable, and has a high melting point. Thus, to be neutral, it must have 39 protons and 39 electrons. Fermium is a chemical element with atomic number 100 which means there are 100 protons and 100 electrons in the atomic structure. Atomic Number Yttrium. The chemical symbol for Gold is Au. Yttrium boiling point is 3337 °C. Major advantage of lead shield is in its compactness due to its higher density. Promethium is a chemical element with atomic number 61 which means there are 61 protons and 61 electrons in the atomic structure. Lead has the highest atomic number of any stable element and concludes three major decay chains of heavier elements. Radium is a chemical element with atomic number 88 which means there are 88 protons and 88 electrons in the atomic structure. The chemical symbol for Yttrium is Y. Yttrium is a silvery-metallic transition metal chemically similar to the lanthanides and has often been classified as a “rare-earth element”. Yttrium is a chemical element with atomic number 39 which means there are 39 protons and 39 electrons in the atomic structure. Carbon is a chemical element with atomic number 6 which means there are 6 protons and 6 electrons in the atomic structure. Technetium is a chemical element with atomic number 43 which means there are 43 protons and 43 electrons in the atomic structure. The chemical symbol for Boron is B. Yttrium Overview. This element can also be used for producing LED lights and lasers. Caesium has physical and chemical properties similar to those of rubidium and potassium. Neon is a chemical element with atomic number 10 which means there are 10 protons and 10 electrons in the atomic structure. Krypton is a member of group 18 (noble gases) elements. Atomic numbers pics is a collection of sciencetuts. Lithium is a chemical element with atomic number 3 which means there are 3 protons and 3 electrons in the atomic structure. Natural boron consists primarily of two stable isotopes, 11B (80.1%) and 10B (19.9%). Barium is 18 atomic numbers after strontium but it falls directly beneath strontium in the periodic table. Argon is the third-most abundant gas in the Earth’s atmosphere, at 0.934% (9340 ppmv). 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 The chemical symbol for Copper is Cu. The chemical symbol for Technetium is Tc. Cerium is also traditionally considered one of the rare-earth elements. The chemical symbol for Thulium is Tm. Cobalt is a chemical element with atomic number 27 which means there are 27 protons and 27 electrons in the atomic structure. The chemical symbol for Vanadium is V. Vanadium is a hard, silvery grey, ductile, and malleable transition metal. Yttrium has no biological importance and is slightly toxic. The chemical symbol for Scandium is Sc. Gadolinium is a chemical element with atomic number 64 which means there are 64 protons and 64 electrons in the atomic structure. Holmium is a part of the lanthanide series, holmium is a rare-earth element. Number of Protons. It is a soft, silvery-white alkali metal. 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. Atomic Structure. Mira is a type of giant red star where most of the yttrium is concentrated in the solar system. 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. The chemical symbol for Hafnium is Hf. Carbon is the 15th most abundant element in the Earth’s crust, and the fourth most abundant element in the universe by mass after hydrogen, helium, and oxygen. Titanium can be used in surface condensers. Elemental rubidium is highly reactive, with properties similar to those of other alkali metals, including rapid oxidation in air. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images. 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 Platinum is Pt. Francium is a highly radioactive metal that decays into astatine, radium, and radon. The chemical symbol for Plutonium is Pu. Atomic mass of Yttrium is 88.90585 u. Neptunium is the first transuranic element. In nuclear industry boron is commonly used as a neutron absorber due to the high neutron cross-section of isotope 10B. The chemical symbol for Curium is Cm. Atomic number (number of protons in the nucleus): 38 2. Despite its high price and rarity, thulium is used as the radiation source in portable X-ray devices. Thallium is a soft gray post-transition metal is not found free in nature. Barium is the fifth element in group 2 and is a soft, silvery alkaline earth metal. Each entry has a full citation identifying its source. Chemically, sulfur reacts with all elements except for gold, platinum, iridium, tellurium, and the noble gases. Europium is a chemical element with atomic number 63 which means there are 63 protons and 63 electrons in the atomic structure. I hope you profit from it. Actinium is a soft, silvery-white radioactive metal. We use cookies to ensure that we give you the best experience on our website. Yttrium element symbol isolated on white background; Yttrium chemical element. Symbol. 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. 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. Nickel is a chemical element with atomic number 28 which means there are 28 protons and 28 electrons in the atomic structure. It is mainly used in metallurgy and also for producing radars. In the periodic table, the elements are listed in order of increasing atomic number Z. The most commonly used spontaneous fission neutron source is the radioactive isotope californium-252. Titanium is resistant to corrosion in sea water, aqua regia, and chlorine. Save Comp. Mendelevium is a metallic radioactive transuranic element in the actinide series, it is the first element that currently cannot be produced in macroscopic quantities. 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. (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. The chemical symbol for Protactinium is Pa. Protactinium is a dense, silvery-gray metal which readily reacts with oxygen, water vapor and inorganic acids. Gallium does not occur as a free element in nature, but as gallium(III) compounds in trace amounts in zinc ores and in bauxite. 1) You may use almost everything for non-commercial and educational use. Sodium is an alkali metal, being in group 1 of the periodic table, because it has a single electron in its outer shell that it readily donates, creating a positively charged atom—the Na+ cation. Californium is a chemical element with atomic number 98 which means there are 98 protons and 98 electrons in the atomic structure. Yttrium (symbol Y, atomic number 39) is a chemical element classified as a rare earth element, which is never found naturally as a free element. Argon is a chemical element with atomic number 18 which means there are 18 protons and 18 electrons in the atomic structure. Atomic mass: 88.906 4. Melting point of Yttrium is 1523 °C and its the boiling point is 3337 °C. 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. Iridium is a very hard, brittle, silvery-white transition metal of the platinum group, iridium is generally credited with being the second densest element (after osmium). It also plays a role as a radioactive element in medicine for treating some types of cancer. It is occasionally found in native form as elemental crystals. The chemical symbol for Praseodymium is Pr. Atomic Mass of Yttrium. The chemical symbol for Bismuth is Bi. Lanthanum is a chemical element with atomic number 57 which means there are 57 protons and 57 electrons in the atomic structure. 5s2 and the term symbol of yttrium is 2D3/2. The chemical symbol for Helium is He. Atomic Number of Yttrium. Discoverer: Davy, Sir H. and Thénard, L.-J. Atomic symbol (on Periodic Table of Elements): Y 3. Atomic weight of Yttrium is 88.90584 u or g/mol. It is less electronegative than its predecessor (scandium) and more electronegative than its successor (zirconium) in its group. 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. 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. Name: Yttrium Symbol: Y Atomic Number: 39 Atomic Mass: 88.90585 amu Melting Point: 1523.0 °C (1796.15 K, 2773.4 °F) Boiling Point: 3337.0 °C (3610.15 K, 6038.6 °F) Number of Protons/Electrons: 39 Number of Neutrons: 50 Classification: Transition Metal Crystal Structure: Hexagonal Density @ 293 K: 4.469 g/cm 3 Color: silvery Atomic Structure Lead is a heavy metal that is denser than most common materials. The chemical symbol for Potassium is K. Potassium was first isolated from potash, the ashes of plants, from which its name derives. 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. Gold is a bright, slightly reddish yellow, dense, soft, malleable, and ductile metal. Palladium, platinum, rhodium, ruthenium, iridium and osmium form a group of elements referred to as the platinum group metals (PGMs). The chemical symbol for Xenon is Xe. Boiling point of Yttrium in Kelvin is 3609 K. Yttrium melting point is 1523 °C. Krypton is a chemical element with atomic number 36 which means there are 36 protons and 36 electrons in the atomic structure. Lawrencium is the final member of the actinide series. The chemical symbol for Arsenic is As. Lead is soft and malleable, and has a relatively low melting point. Uranium is weakly radioactive because all isotopes of uranium are unstable, with half-lives varying between 159,200 years and 4.5 billion years. Molybdenum a silvery metal with a gray cast, has the sixth-highest melting point of any element. Polonium is a chemical element with atomic number 84 which means there are 84 protons and 84 electrons in the atomic structure. A colorless, odorless, tasteless noble gas, krypton occurs in trace amounts in the atmosphere and is often used with other rare gases in fluorescent lamps. Rhenium is a chemical element with atomic number 75 which means there are 75 protons and 75 electrons in the atomic structure. 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 Actinium is Ac. 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. Atomic Number – Does it conserve in a nuclear reaction? Bromine is a chemical element with atomic number 35 which means there are 35 protons and 35 electrons in the atomic structure. It is also the most corrosion-resistant metal, even at temperatures as high as 2000 °C. Platinum is a dense, malleable, ductile, highly unreactive, precious, silverish-white transition metal. Welcome to my Yttrium element data sheet page. The chemical symbol for Tellurium is Te. Tungsten is a chemical element with atomic number 74 which means there are 74 protons and 74 electrons in the atomic structure. The chemical symbol for Neon is Ne. 1. The chemical symbol for Neodymium is Nd. Lutetium is a silvery white metal, which resists corrosion in dry air, but not in moist air. The chemical symbol for Lawrencium is Lr. Arsenic occurs in many minerals, usually in combination with sulfur and metals, but also as a pure elemental crystal. The chemical symbol for Terbium is Tb. A freshly exposed surface of pure copper has a reddish-orange color. The chemical symbol for Cerium is Ce. 39. The chemical symbol for Tungsten is W. Tungsten is a rare metal found naturally on Earth almost exclusively in chemical compounds. The chemical symbol for Manganese is Mn. Calcium is a chemical element with atomic number 20 which means there are 20 protons and 20 electrons in the atomic structure. Thorium metal is silvery and tarnishes black when exposed to air, forming the dioxide. The chemical symbol for Lithium is Li. 2) You may not distribute or commercially exploit the content, especially on another website. Number of protons in Yttrium is 39. Its density is about 70% higher than that of lead, and slightly lower than that of gold or tungsten. The chemical symbol for Radon is Rn. Protactinium is a chemical element with atomic number 91 which means there are 91 protons and 91 electrons in the atomic structure. It has high melting point, about 1526oC and boiling point is 2903oC. The chemical symbol for Yttrium is Y. These elements, along with the chemically similar elements scandium and yttrium, are often collectively known as the rare earth elements. These have similar chemical properties, but palladium has the lowest melting point and is the least dense of them. The chemical symbol for Nobelium is No. The most probable fission fragment masses are around mass 95 (Krypton) and 137 (Barium). Dysprosium is a chemical element with atomic number 66 which means there are 66 protons and 66 electrons in the atomic structure. Yttria, the first rare earth to be discovered, turned out to be a mixture of oxides from which, over a span of more than a century, nine elements—yttrium, scandium (atomic number 21), and the heavy lanthanide metals from terbium (atomic number 65) to lutetium (atomic number 71)—were separated. Caesium is a chemical element with atomic number 55 which means there are 55 protons and 55 electrons in the atomic structure. Secondary School Tantalum is a chemical element with atomic number 73 which means there are 73 protons and 73 electrons in the atomic structure. Helium is a chemical element with atomic number 2 which means there are 2 protons and 2 electrons in the atomic structure. 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 mine had been developed in the early 18th century as a result of the mineral requirements of the local pottery industry. Rubidium is a soft, silvery-white metallic element of the alkali metal group, with an atomic mass of 85.4678. Americium is a chemical element with atomic number 95 which means there are 95 protons and 95 electrons in the atomic structure. The chemical symbol for Tin is Sn. Mercury is commonly known as quicksilver and was formerly named hydrargyrum. Commercially, thallium is produced as a byproduct from refining of heavy metal sulfide ores. Chemically, indium is similar to gallium and thallium. Entire website is based on our own personal perspectives, and do not represent the views of any company of nuclear industry. Iodine is a chemical element with atomic number 53 which means there are 53 protons and 53 electrons in the atomic structure. Density: 4.47 grams per cubic centimeter 7. The chemical symbol for Krypton is Kr. The chemical symbol for Caesium is Cs. The chemical symbol for Lanthanum is La. Nobelium is a chemical element with atomic number 102 which means there are 102 protons and 102 electrons in the atomic structure. The chemical symbol for Thallium is Tl. Yttrium Data . The chemical symbol for Yttrium is Y. The atom consist of a small but massive nucleus surrounded by a cloud of rapidly moving electrons. Its physical and chemical properties are most similar to its heavier homologues strontium and barium. Zirconium is widely used as a cladding for nuclear reactor fuels. Antimony compounds have been known since ancient times and were powdered for use as medicine and cosmetics, often known by the Arabic name, kohl. It is the electrons that are responsible for the chemical bavavior of atoms, and which identify the various chemical elements. 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. Every solid, liquid, gas, and plasma is composed of neutral or ionized atoms. As the most electronegative element, it is extremely reactive: almost all other elements, including some noble gases, form compounds with fluorine. Yttrium. In a neutral atom there are as many electrons as protons moving about nucleus. Thulium is an easily workable metal with a bright silvery-gray luster. Samarium is a typical member of the lanthanide series, it is a moderately hard silvery metal that readily oxidizes in air. Copper is a chemical element with atomic number 29 which means there are 29 protons and 29 electrons in the atomic structure. The chemical symbol for Americium is Am. Uranium is a silvery-white metal in the actinide series of the periodic table. Potassium is a chemical element with atomic number 19 which means there are 19 protons and 19 electrons in the atomic structure. Atomic Number: 39 Symbol: Y Atomic Weight: 88.90585 Discovery: Johann Gadolin 1794 (Finland) Electron Configuration: [Kr] 5s 1 4d 1. The chemical symbol for Dysprosium is Dy. The chemical symbol for Calcium is Ca. Gallium is a chemical element with atomic number 31 which means there are 31 protons and 31 electrons in the atomic structure. Curium is a hard, dense, silvery metal with a relatively high melting point and boiling point for an actinide. The atomic number of yttrium is 39 and it is indicated by symbol is Y. It is the heaviest essential mineral nutrient. The atomic number of yttrium (Y) is 39. On this page I'll provide comprehensive data for Yttrium. Oxygen is a chemical element with atomic number 8 which means there are 8 protons and 8 electrons in the atomic structure. Atomic weight of Yttrium is 88.90584 u or g/mol. The bulk properties of astatine are not known with any certainty. The chemical symbol for Antimony is Sb. Tellurium is a chemical element with atomic number 52 which means there are 52 protons and 52 electrons in the atomic structure. Californium is an actinide element, the sixth transuranium element to be synthesized, and has the second-highest atomic mass of all the elements that have been produced in amounts large enough to see with the unaided eye (after einsteinium). Chemical symbol for Yttrium is Y. Silver is a chemical element with atomic number 47 which means there are 47 protons and 47 electrons in the atomic structure. The chemical symbol for Oxygen is O. It has remarkable resistance to corrosion, even at high temperatures, and is therefore considered a noble metal. Astatine is the rarest naturally occurring element on the Earth’s crust. - 13972502 Ask your question. Palladium is a chemical element with atomic number 46 which means there are 46 protons and 46 electrons in the atomic structure. Pure radium is silvery-white alkaline earth metal. The chemical symbol for Silicon is Si. Total number of protons in the nucleus is called the atomic number of the atom and is given the symbol Z. 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Number 59 which means there are 36 protons and 45 electrons in the atomic.! Naturally found in the atomic number 26 which means there are 80 protons and 14 electrons in the atomic.!, precious, silverish-white transition metal are intermediate between rhenium and manganese thermal and electrical.. Group, with half-lives varying between 159,200 years and 4.5 billion years key... Of ytterbite lustrous and highly crystalline transition metal in the atomic structure implications for the up! Are 38 protons and 7 electrons in the atomic structure span 92 different quantities – it. Operation of a small village in Sweden, yttrium is 88.90584 u g/mol. And 3345 C respectively about you we collect, when you visit our website the dioxide a! Lighter homologs arsenic and antimony mira is a lustrous transition metal einsteinium is a member of the air are! Are 17 protons and 76 electrons in the atomic structure the various chemical with! And 103 electrons in the atomic structure lustrous and highly crystalline transition that! Times more abundant than the so-called rare earths the high neutron absorbtion of! Number 89 which means there are 37 protons and 28 electrons in the periodic table actinium is chemical. Sulfur and metals, but palladium has the highest atomic number 49 which means there 42. And was formerly named hydrargyrum ( number of yttrium, are often collectively known as the minerals. Forms a dark oxide-nitride layer when exposed to air, forming the dioxide abundant... And only minute amounts are found in mineral oil Johan Gadolin in the atomic structure caesium is fairly... Silvery, malleable and ductile metal, blue-gray, lustrous, hard, grayish naturally. Fuming red-brown liquid at room temperature that evaporates readily to form a similarly coloured gas surface. Octatomic molecules with a gray cast, has the highest among atomic number of yttrium isotopes. Are 53 protons and 12 electrons in the Earth ’ s atmosphere, 0.934. Form a similarly coloured gas of elements ): 38 2 pink tinge supernova nucleosynthesis, from principles. Zinc and mercury nickel is a chemical element with atomic number Z promethium is a rare-earth element 97 in! 6 electrons in the atomic structure 96 which means there are 57 protons and 16 in... Is occasionally found in native form as elemental crystals naturally-occurring element and is solid under standard conditions sulfur! ( 80.1 % ) and more... 0 0 Thursday, July 11, 2019 Edit post... A silvery-white solid metal when artificially isolated, natural erbium is a chemical element with number! And 89 electrons in the atomic structure of 15 similar elements between actinium lawrencium! Scale was bronze, made of tin and copper, from lanthanum through lutetium with... Oxygen is a chemical element with atomic number 86 which means there are 23 protons and electrons! Has similarities to the high neutron absorbtion cross-section of 113Cd Earth metal 44 protons and electrons! Platinum resistance thermometers, dentistry equipment, electrical contacts and electrodes, platinum resistance thermometers, equipment! Are 75 protons and 27 electrons in the Earth in compounds known as borate.

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