Sulfur is a chemical element with atomic number 16 which means there are 16 protons and 16 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. Thorium is moderately hard, malleable, and has a high melting point. The chemical symbol for Tantalum is Ta. Plutonium Overview Plutonium Boiling Point 3232°C Atomic Number 94 Learn more about the atomic number. Manganese is a chemical element with atomic number 25 which means there are 25 protons and 25 electrons in the atomic structure. 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. In nuclear industry, especially natural and artificial samarium 149 has an important impact on the operation of a nuclear reactor. Caesium is a chemical element with atomic number 55 which means there are 55 protons and 55 electrons in the atomic structure. Its boiling point is the lowest among all the elements. The chemical symbol for Palladium is Pd. The chemical symbol for Potassium is K. Potassium was first isolated from potash, the ashes of plants, from which its name derives. In general, boiling is a phase change of a substance from the liquid to the gas phase. 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 has a low melting point (640 °C) and an unusually high boiling point (3,228 °C). For example, water boils at 100°C (212°F) at sea level, but at 93.4°C (200.1°F) at 1900 metres (6,233 ft) altitude. Tellurium is far more common in the universe as a whole than on Earth. Praseodymium is the third member of the lanthanide series and is traditionally considered to be one of the rare-earth metals. Xenon is a colorless, dense, odorless noble gas found in the Earth’s atmosphere in trace amounts. It is the most important transuranium element because of its use as fuel in certain types of nuclear reactors and as an ingredient in nuclear weapons. The chemical symbol for Neptunium is Np. Astatine is a chemical element with atomic number 85 which means there are 85 protons and 85 electrons in the atomic structure. It is even less abundant than the so-called rare earths. Molybdenum is a chemical element with atomic number 42 which means there are 42 protons and 42 electrons in the atomic structure. Electronegativity is a measure of how strongly atoms attract bonding electrons to themselves. Caesium has physical and chemical properties similar to those of rubidium and potassium. 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 Tin is Sn. Uranium is weakly radioactive because all isotopes of uranium are unstable, with half-lives varying between 159,200 years and 4.5 billion years. Atomic properties of plutonium. The chemical symbol for Promethium is Pm. Lithium is a chemical element with atomic number 3 which means there are 3 protons and 3 electrons in the atomic structure. Pick exactly what server to join! Hafnium is a chemical element with atomic number 72 which means there are 72 protons and 72 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. It is a lanthanide, a rare earth element, originally found in the gadolinite mine in Ytterby in Sweden. Thorium is a chemical element with atomic number 90 which means there are 90 protons and 90 electrons in the atomic structure. Caesium is a soft, silvery-gold alkali metal with a melting point of 28.5 °C, which makes it one of only five elemental metals that are liquid at or near room temperature. Commercially, thallium is produced as a byproduct from refining of heavy metal sulfide ores. Because of its closed-shell electron configuration, its density and melting and boiling points differ significantly from those of most other lanthanides. A liquid in a partial vacuum has a lower boiling point than when that liquid is at atmospheric pressure. Lawrencium is the final member of the actinide series. Unlike most other metals, plutonium has a low melting point, which is around 640 °C and an unusually high boiling point (3,228 °C). Curium is a hard, dense, silvery metal with a relatively high melting point and boiling point for an actinide. Calcium is a chemical element with atomic number 20 which means there are 20 protons and 20 electrons in the atomic structure. The chemical symbol for Nitrogen is N. Nitrogen is a colourless, odourless unreactive gas that forms about 78% of the earth’s atmosphere. Chemical symbol for Plutonium is Pu. and Gay-Lussac, L.-J. Experience the best CoD has to offer, with a grain of nostalgia! Very soft and malleable, indium has a melting point higher than sodium and gallium, but lower than lithium and tin. Terbium is a silvery-white, rare earth metal that is malleable, ductile, and soft enough to be cut with a knife. The chemical symbol for Lawrencium is Lr. Silicon is a hard and brittle crystalline solid with a blue-grey metallic lustre, it is a tetravalent metalloid and semiconductor. Since it is difficult to measure extreme temperatures precisely without bias, both have been cited in the literature as having the higher boiling point. 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. The chemical symbol for Cobalt is Co. Cobalt is found in the Earth’s crust only in chemically combined form, save for small deposits found in alloys of natural meteoric iron. Plutonium is a chemical element with atomic number 94 which means there are 94 protons and 94 electrons in the atomic structure. The chemical symbol for Titanium is Ti. The most probable fission fragment masses are around mass 95 (Krypton) and 137 (Barium). Zirconium is a lustrous, grey-white, strong transition metal that resembles hafnium and, to a lesser extent, titanium. Nickel is a chemical element with atomic number 28 which means there are 28 protons and 28 electrons in the atomic structure. Our Website follows all legal requirements to protect your privacy. Iron is a metal in the first transition series. 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. Plutonium was first made in December 1940 at Berkeley, California, by Glenn Seaborg, Arthur Wahl, Joseph Kennedy, and Edwin McMillan. Magnesium is a chemical element with atomic number 12 which means there are 12 protons and 12 electrons in the atomic structure. Francium is a highly radioactive metal that decays into astatine, radium, and radon. The boiling point of a substance is the temperature at which this phase change (boiling or vaporization) occurs. Argon is the third-most abundant gas in the Earth’s atmosphere, at 0.934% (9340 ppmv). In nuclear industry boron is commonly used as a neutron absorber due to the high neutron cross-section of isotope 10B. Lead is widely used as a gamma shield. Bismuth is a pentavalent post-transition metal and one of the pnictogens, chemically resembles its lighter homologs arsenic and antimony. Lawrencium is a chemical element with atomic number 103 which means there are 103 protons and 103 electrons in the atomic structure. 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. 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 Rubidium is Rb. The chemical symbol for Silicon is Si. Tellurium is chemically related to selenium and sulfur. Bromine is a chemical element with atomic number 35 which means there are 35 protons and 35 electrons in the atomic structure. Uranium has the highest atomic weight of the primordially occurring elements. Tellurium is a chemical element with atomic number 52 which means there are 52 protons and 52 electrons in the atomic structure. The chemical symbol for Krypton is Kr. We assume no responsibility for consequences which may arise from the use of information from this website. Plutonium is the second transuranium element of the actinide series. 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. Iridium is a chemical element with atomic number 77 which means there are 77 protons and 77 electrons in the atomic structure. 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. The mention of names of specific companies or products does not imply any intention to infringe their proprietary rights. Chromium is a steely-grey, lustrous, hard and brittle metal4 which takes a high polish, resists tarnishing, and has a high melting point. Germanium is a chemical element with atomic number 32 which means there are 32 protons and 32 electrons in the atomic structure. Note that, these points are associated with the standard atmospheric pressure . Titanium can be used in surface condensers. It is a soft, silvery-white alkali metal. The chemical symbol for Francium is Fr. Chlorine is a yellow-green gas at room temperature. Boiling point. The chemical symbol for Ruthenium is Ru. Tin is a chemical element with atomic number 50 which means there are 50 protons and 50 electrons in the atomic structure. Among the plutonium isotopes, Pu-239 is the fissile isotope. Boiling point of plutonium is unusually high, which is about 3228 °C. Platinum is used in catalytic converters, laboratory equipment, electrical contacts and electrodes, platinum resistance thermometers, dentistry equipment, and jewelry. It is fairly soft and slowly tarnishes in air. Plutonium increases in density when it melts by 2.5%, but it has a very high surface tension and viscosity when near its melting point compared to other metals. Cerium is the second element in the lanthanide series. Naturally occurring potassium is composed of three isotopes, of which 40K is radioactive. Plutonium belongs to the class of elements called transuranic elements whose atomic numberis higher than 92, the atomic number of uranium. In the periodic table of elements, the element with the lowest boiling point is helium. Curium is a chemical element with atomic number 96 which means there are 96 protons and 96 electrons in the atomic structure. These elements, along with the chemically similar elements scandium and yttrium, are often collectively known as the rare earth elements. Isotopes. Number of protons in Plutonium is 94. At room temperature plutonium is in its α (alpha) form. It is an extremely reactive element and a strong oxidising agent: among the elements, it has the highest electron affinity and the third-highest electronegativity, behind only oxygen and fluorine. Atomic weight of Plutonium is 244 u or g/mol. Gold is a bright, slightly reddish yellow, dense, soft, malleable, and ductile metal. The temperature at which vaporization (boiling) starts to occur for a given pressure is also known as the saturation temperature and at this conditions a mixture of vapor and liquid can exist together. Cerium is a chemical element with atomic number 58 which means there are 58 protons and 58 electrons in the atomic structure. Unlike most metals, it is not a good conductor of heat or electricity. 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. This equilibrium also known as “samarium 149 reservoir”, since all of this promethium must undergo a decay to samarium. Properties: Plutonium has a specific gravity of 19.84 (a modification) at 25°C, melting point of 641°C, boiling point of 3232°C, with a valence of 3, 4, 5, or 6. The chemical symbol for Beryllium is Be. Unlike most metals, it is not a good conductor of heat or electricity. Niobium is a soft, grey, ductile transition metal, often found in the minerals pyrochlore (the main commercial source for niobium) and columbite. The chemical symbol for Neon is Ne. The chemical symbol for Aluminum is Al. Any addition of thermal energy results in a phase transition. The chemical symbol for Barium is Ba. The chemical symbol for Sulfur is S. Sulfur is abundant, multivalent, and nonmetallic. Find Freezing point of Plutonium (Pu) or Find freezing point of different substance like freezing point of water, hydrogen, carbon, nitrogen, sodium, aluminum, iron, zinc, helium, silver, gold, mercury, lead, iodine, platinum and many more Arsenic is a chemical element with atomic number 33 which means there are 33 protons and 33 electrons in the atomic structure. If you want to get in touch with us, please do not hesitate to contact us via e-mail: The information contained in this website is for general information purposes only. The chemical symbol for Vanadium is V. Vanadium is a hard, silvery grey, ductile, and malleable transition metal. Adding a heat will convert the solid into a liquid with no temperature change. Europium is one of the least abundant elements in the universe. 3232 °C. The bulk properties of astatine are not known with any certainty. Titanium is a chemical element with atomic number 22 which means there are 22 protons and 22 electrons in the atomic structure. Neptunium is the first transuranic element. Vanderwaals radius . 1) You may use almost everything for non-commercial and educational use. Bromine is the third-lightest halogen, and is a fuming red-brown liquid at room temperature that evaporates readily to form a similarly coloured gas. The chemical symbol for Praseodymium is Pr. Beryllium is a chemical element with atomic number 4 which means there are 4 protons and 4 electrons in the atomic structure. Pure radium is silvery-white alkaline earth metal. Technetium is a chemical element with atomic number 43 which means there are 43 protons and 43 electrons in the atomic structure. Melting point of Plutonium is 641 °C and its the boiling point is 3327 °C. Gold is a chemical element with atomic number 79 which means there are 79 protons and 79 electrons in the atomic structure. Server list . This website was founded as a non-profit project, build entirely by a group of nuclear engineers. The chemical symbol for Arsenic is As. Plutonium is a bright silvery gray metal. 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. 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. The chemical symbol for Osmium is Os. Sodium is a chemical element with atomic number 11 which means there are 11 protons and 11 electrons in the atomic structure. Niobium is a chemical element with atomic number 41 which means there are 41 protons and 41 electrons in the atomic structure. Ionic radius. Seaborg in 1940. The chemical symbol for Erbium is Er. Major advantage of lead shield is in its compactness due to its higher density. Rhodium is a chemical element with atomic number 45 which means there are 45 protons and 45 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. Francium is an alkali metal, that has one valence electron. 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. Manganese is a metal with important industrial metal alloy uses, particularly in stainless steels. The ninth member of the lanthanide series, terbium is a fairly electropositive metal that reacts with water, evolving hydrogen gas. Rubidium is a soft, silvery-white metallic element of the alkali metal group, with an atomic mass of 85.4678. Dysprosium is a chemical element with atomic number 66 which means there are 66 protons and 66 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. Plutonium, like most metals, has a bright silvery appearance at first, much like nickel, but it oxidizes very quickly to a dull gray, although yellow and olive green are also reported. The chemical symbol for Scandium is Sc. Also, the heat generated due to the deceleration of alpha … Samarium is a typical member of the lanthanide series, it is a moderately hard silvery metal that readily oxidizes in air. All isotopes of radium are highly radioactive, with the most stable isotope being radium-226. Boiling point: 5,842 F (3,228 C) The Cookies Statement is part of our Privacy Policy. Energy of first ionisation . The name samarium is after the mineral samarskite from which it was isolated. The chemical symbol for Manganese is Mn. Physical properties of Plutonium include melting point, boiling point, mechanical strength Thorium is a naturally-occurring element and it is estimated to be about three times more abundant than uranium. The chemical symbol for Molybdenum is Mo. The chemical symbol for Hafnium is Hf. Barium is a chemical element with atomic number 56 which means there are 56 protons and 56 electrons in the atomic structure. unknown. 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). Thulium is an easily workable metal with a bright silvery-gray luster. The Cookies Statement is part of our Privacy Policy. It is also the most corrosion-resistant metal, even at temperatures as high as 2000 °C. 1st Ionization Energy: 584.7 kJ mol-1. Thulium is a chemical element with atomic number 69 which means there are 69 protons and 69 electrons in the atomic structure. 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. Ruthenium is a rare transition metal belonging to the platinum group of the periodic table. 11. Element 93 was discovered in 1940/41 by Glenn T. Seaborg, Edwin M. McMillan, J. W. Kennedy, and A. C. Wahl by deuteron bombardment of uranium-238 in the 60-inch cyclotron at the University of California, Berkeley Lab. However, the primordial element can be synthetically produced. The chemical symbol for Silver is Ag. Structure, properties, spectra, suppliers and links for: PLUTONIUM PU-239, 15117-48-3. The free element, produced by reductive smelting, is a hard, lustrous, silver-gray metal. Copper is a soft, malleable, and ductile metal with very high thermal and electrical conductivity. The Chemical Properties of Plutonium. Einsteinium is the seventh transuranic element, and an actinide. The chemical symbol for Bismuth is Bi. Plutonium, as mentioned above, is a highly radioactive chemical element. Pure germanium is a semiconductor with an appearance similar to elemental silicon. Because of its high chemical reactivity, barium is never found in nature as a free element. The chemical symbol for Thorium is Th. Samarium is a chemical element with atomic number 62 which means there are 62 protons and 62 electrons in the atomic structure. Atomic symbol: Pu 3. The chemical symbol for Iron is Fe. Gadolinium is a chemical element with atomic number 64 which means there are 64 protons and 64 electrons in the atomic structure. The temperature at which vaporization (boiling) starts to occur for a given pressure is called the saturation temperature or boiling point. The chemical symbol for Bromine is Br. Some cool Features. Gallium, aluminum, americium, scandium … The chemical symbol for Rhodium is Rh. 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. Praseodymium is a soft, silvery, malleable and ductile metal, valued for its magnetic, electrical, chemical, and optical properties. Note that, the boiling point associated with the standard atmospheric pressure. Tungsten is an intrinsically brittle and hard material, making it difficult to work. (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 Cerium is Ce. Gold is a transition metal and a group 11 element. Nobelium is the tenth transuranic element and is the penultimate member of the actinide series. Melting point is 639.4 °C, which is relatively low. The chemical symbol for Thallium is Tl. Palladium, platinum, rhodium, ruthenium, iridium and osmium form a group of elements referred to as the platinum group metals (PGMs). Nitrogen is a chemical element with atomic number 7 which means there are 7 protons and 7 electrons in the atomic structure. The chemical symbol for Rhenium is Re. 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. Certain Facts About Plutonium. Plutonium – Melting Point Melting point of Plutonium is 640°C. Chlorine is a chemical element with atomic number 17 which means there are 17 protons and 17 electrons in the atomic structure. Melting point: 1,184 F (640 C) 5. Iron is a chemical element with atomic number 26 which means there are 26 protons and 26 electrons in the atomic structure. Krypton is a chemical element with atomic number 36 which means there are 36 protons and 36 electrons in the atomic structure. Uses Used in bombs and reactors. Arsenic is a metalloid. Only about 5×10−8% of all matter in the universe is europium. When exposed to air it oxidizes rapidly, and the oxide layer is dull gray in color. Being a typical member of the lanthanide series, europium usually assumes the oxidation state +3. The chemical symbol for Holmium is Ho. Oxygen is a chemical element with atomic number 8 which means there are 8 protons and 8 electrons in the atomic structure. At the boiling point the two phases of a substance, liquid and vapor, have identical free energies and therefore are equally likely to exist. Entire website is based on our own personal perspectives, and do not represent the views of any company of nuclear industry. The chemical symbol for Neodymium is Nd. Boiling point of Plutonium is 3230°C. When considered as the temperature of the reverse change from vapor to liquid, it is referred to as the condensation point. Berkelium is a chemical element with atomic number 97 which means there are 97 protons and 97 electrons in the atomic structure. In nuclear industry, especially artificial xenon 135 has a tremendous impact on the operation of a nuclear reactor. Fermium is a chemical element with atomic number 100 which means there are 100 protons and 100 electrons in the atomic structure. The mention of names of specific companies or products does not imply any intention to infringe their proprietary rights. 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. Francium is the second-least electronegative element, behind only caesium, and is the second rarest naturally occurring element (after astatine). The chemical symbol for Mercury is Hg. Selenium is a chemical element with atomic number 34 which means there are 34 protons and 34 electrons in the atomic structure. Liquid nitrogen (made by distilling liquid air) boils at 77.4 kelvins (−195.8°C) and is used as a coolant. Polonium is a chemical element with atomic number 84 which means there are 84 protons and 84 electrons in the atomic structure. Nickel belongs to the transition metals and is hard and ductile. Einsteinium is a chemical element with atomic number 99 which means there are 99 protons and 99 electrons in the atomic structure. Hydrogen is a chemical element with atomic number 1 which means there are 1 protons and 1 electrons in the atomic structure. By mass, aluminium makes up about 8% of the Earth’s 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. Its extreme rarity in the Earth’s crust, comparable to that of platinum. Melting point of Plutonium is 640°C. Elemental rubidium is highly reactive, with properties similar to those of other alkali metals, including rapid oxidation in air. Thulium is the thirteenth and third-last element in the lanthanide series. Chromium is a chemical element with atomic number 24 which means there are 24 protons and 24 electrons in the atomic structure. Nearly all technetium is produced synthetically, and only minute amounts are found in the Earth’s crust. If you continue to use this site we will assume that you are happy with it. Titanium is resistant to corrosion in sea water, aqua regia, and chlorine. It is also sometimes considered the first element of the 6th-period transition metals and is traditionally counted among the rare earth elements. The first alloy used on a large scale was bronze, made of tin and copper, from as early as 3000 BC. Thorium metal is silvery and tarnishes black when exposed to air, forming the dioxide. Technetium is the lightest element whose isotopes are all radioactive; none are stable. Rhenium is a chemical element with atomic number 75 which means there are 75 protons and 75 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. 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, Torbørn Sikkeland, John R. Walton, Discoverer: Albert Ghiorso, Torbjørn Sikkeland, Almon E. Larsh, Robert M. Latimer, Copyright 2020 Periodic Table | All Rights Reserved |. The chemical symbol for Platinum is Pt. The chemical symbol for Caesium is Cs. 2) You may not distribute or commercially exploit the content, especially on another website. Platinum is one of the least reactive metals. The pressure at which vaporization (boiling) starts to occur for a given temperature is called the saturation pressure. Neodymium is not found naturally in metallic form or unmixed with other lanthanides, and it is usually refined for general use. Holmium is a chemical element with atomic number 67 which means there are 67 protons and 67 electrons in the atomic structure. Radon is a radioactive, colorless, odorless, tasteless noble gas. Cadmium is a soft, bluish-white metal is chemically similar to the two other stable metals in group 12, zinc and mercury. Our Website follows all legal requirements to protect your privacy. The chemical symbol for Einsteinium is Es. The chemical symbol for Carbon is C. It is nonmetallic and tetravalent—making four electrons available to form covalent chemical bonds. 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. Other elements 6 which means there are 11 protons and 50 electrons in the structure. And 47 electrons in the atomic structure cerium is also the most commonly spontaneous! Is part of the stable halogens, being the sixty-first most abundant element in Earth ’ atmosphere. Followed in the universe, constituting roughly 75 % of all baryonic mass solid a! 76 electrons in the atomic mass isotopes with mass numbersranging from 232 to 246 white when., platinum, iridium, tellurium, and nonmetallic of chlorine and iodine room temperature so-called earths... 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