Iodine is a chemical element with atomic number 53 which means there are 53 protons and 53 electrons in the atomic structure. In nuclear industry, especially natural and artificial samarium 149 has an important impact on the operation of a nuclear reactor. The chemical symbol for Silver is Ag. Curium bromide (CmBr 3) Curium chloride (CmCl 3) Curium dioxide (CmO 2) Curium iodide (CmI 3) Curium tetrafluoride (CmF 4) Curium trioxide (Cm 2 O 3) Interesting facts: It is created by bombarding plutonium with alpha particles. Curium is a silver-looking chemical element and belongs to the group of actinides. It is the fourth most common element in the Earth’s crust. Under normal conditions, sulfur atoms form cyclic octatomic molecules with a chemical formula S8. The Cookies Statement is part of our Privacy Policy. 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 chemical element with atomic number 79 which means there are 79 protons and 79 electrons in the atomic structure. Adding a heat will convert the solid into a liquid with no temperature change. The melting point of ice is 0 °C. Notable characteristics . The chemical symbol for Rubidium is Rb. Main purpose of this project is to help the public learn some interesting and important information about chemical elements, ionizing radiation, thermal engineering, reactor physics and nuclear energy. Chromium is a chemical element with atomic number 24 which means there are 24 protons and 24 electrons in the atomic structure. Neptunium metal is silvery and tarnishes when exposed to air. Arsenic occurs in many minerals, usually in combination with sulfur and metals, but also as a pure elemental crystal. Bismuth is a brittle metal with a silvery white color when freshly produced, but surface oxidation can give it a pink tinge. 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. Carbon is a chemical element with atomic number 6 which means there are 6 protons and 6 electrons in the atomic structure. The chemical symbol for Boron is B. Nearly all technetium is produced synthetically, and only minute amounts are found in the Earth’s crust. The physical properties of curium include a boiling point of 1,340°C (2,444°F), and a melting point … Thorium is commonly found in monazite sands (rare earth metals containing phosphate mineral). Krypton is a chemical element with atomic number 36 which means there are 36 protons and 36 electrons in the atomic structure. Actinium is a soft, silvery-white radioactive metal. Hafnium is a chemical element with atomic number 72 which means there are 72 protons and 72 electrons in the atomic structure. In general, melting is a phase change of a substance from the solid to the liquid phase. 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 Rhenium is Re. Curium is a hard, brittle, silvery … The chemical symbol for Promethium is Pm. Actinium is a chemical element with atomic number 89 which means there are 89 protons and 89 electrons in the atomic structure. Electron Configuration of Curium [Rn] 5f7 6d1 7s2. The chemical symbol for Barium is Ba. Major advantage of lead shield is in its compactness due to its higher density. 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. The chemical symbol for Osmium is Os. Palladium is a chemical element with atomic number 46 which means there are 46 protons and 46 electrons in the atomic structure. Barium is a chemical element with atomic number 56 which means there are 56 protons and 56 electrons in the atomic structure. Lithium is a chemical element with atomic number 3 which means there are 3 protons and 3 electrons in the atomic structure. In thermodynamics, the melting point defines a condition in which the solid and liquid can exist in equilibrium. Isotopes. 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). Lanthanum is a chemical element with atomic number 57 which means there are 57 protons and 57 electrons in the atomic structure. The chemical symbol for Caesium is Cs. The chemical symbol for Carbon is C. It is nonmetallic and tetravalent—making four electrons available to form covalent chemical bonds. Scandium is a silvery-white metallic d-block element, it has historically been sometimes classified as a rare-earth element, together with yttrium and the lanthanides. Chromium is a steely-grey, lustrous, hard and brittle metal4 which takes a high polish, resists tarnishing, and has a high melting point. The chemical symbol for Tin is Sn. Curium is a transuranic element. The chemical symbol for Lutetium is Lu. Terbium is a chemical element with atomic number 65 which means there are 65 protons and 65 electrons in the atomic structure. The bulk properties of astatine are not known with any certainty. The chemical symbol for Plutonium is Pu. Cm- 242, Cm-243, Cm-244, Cm-245, Cm-246, Cm-247, Cm-248, Cm-250. 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’. The motion of individual atoms, ions, or molecules in a solid is restricted to vibrational motion about a fixed point. Zirconium is a lustrous, grey-white, strong transition metal that resembles hafnium and, to a lesser extent, titanium. Its abundance in rocky planets like Earth is due to its abundant production by fusion in high-mass stars. The information contained in this website is for general information purposes only. Adding a heat will convert the solid into a liquid with no temperature change. Like the other metals of the platinum group, ruthenium is inert to most other chemicals. It is also the most corrosion-resistant metal, even at temperatures as high as 2000 °C. It is one of the least reactive chemical elements and is solid under standard conditions. In chemistry it is placed in a group of metal elements named the actinides. The chemical symbol for Manganese is Mn. © 2019 periodic-table.org / see alsowww.nuclear-power.net. Curium-244 was used in the Alpha Proton X-ray Spectrometer (APXS) which measured the abundance of chemical elements in rocks and soils on Mars. Polonium is a chemical element with atomic number 84 which means there are 84 protons and 84 electrons in the atomic structure. It is present in nature in areas where nuclear tests were conducted. The chemical symbol for Ruthenium is Ru. Ytterbium is a chemical element with atomic number 70 which means there are 70 protons and 70 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. Vanadium is a chemical element with atomic number 23 which means there are 23 protons and 23 electrons in the atomic structure. Oxygen is a colourless, odourless reactive gas, the chemical element of atomic number 8 and the life-supporting component of the air. The chemical symbol for Thulium is Tm. The chemical symbol for Tantalum is Ta. Indium is a post-transition metal that makes up 0.21 parts per million of the Earth’s crust. Thorium is moderately hard, malleable, and has a high melting point. The melting point of a substance depends on pressure and is usually specified at standard pressure. Gallium is a chemical element with atomic number 31 which means there are 31 protons and 31 electrons in the atomic structure. Neodymium is not found naturally in metallic form or unmixed with other lanthanides, and it is usually refined for general use. If the pressure is increased to 10 atmospheres carbon (graphite) is observed to melt at 3550 °C. Its density is about 70% higher than that of lead, and slightly lower than that of gold or tungsten. Lanthanoids comprise the 15 metallic chemical elements with atomic numbers 57 through 71, from lanthanum through lutetium. It is a colorless, odorless, tasteless, non-toxic, inert, monatomic gas, the first in the noble gas group in the periodic table. Naturally occurring potassium is composed of three isotopes, of which 40K is radioactive. Phosphorus is a chemical element with atomic number 15 which means there are 15 protons and 15 electrons in the atomic structure. It is fairly soft and slowly tarnishes in air. The atoms in a solid are tightly bound to each other, either in a regular geometric lattice (crystalline solids, which include metals and ordinary ice) or irregularly (an amorphous solid such as common window glass), and are typically low in energy. These elements, along with the chemically similar elements scandium and yttrium, are often collectively known as the rare earth elements. Atomic Number: 96 Atomic Symbol: Cm Atomic Weight: 247 Melting Point: 2,453 F (1,345 C) Boiling Point: 5,612 F (3,100 C) Calcium is an alkaline earth metal, it is a reactive pale yellow metal that forms a dark oxide-nitride layer when exposed to air. The chemical symbol for Bromine is Br. Curium was also the α -particle source for the Alpha Proton X-ray Spectometer. 2. At 0.099%, phosphorus is the most abundant pnictogen in the Earth’s crust. The chemical symbol for Chlorine is Cl. Period Number: 7. It was identified by Seaborg, James, and Ghiorso in 1944 at the wartime metallurgical laboratory at the University of Chicago as a result of helium-ion bombardment of 239 Pu in the Berkeley, California, 60-inch cyclotron. Because of its closed-shell electron configuration, its density and melting and boiling points differ significantly from those of most other lanthanides. Nobelium is the tenth transuranic element and is the penultimate member of the actinide series. Atomic Number – Protons, Electrons and Neutrons in Curium. The chemical symbol for Samarium is Sm. Covalent bonds often result in the formation of small collections of better-connected atoms called molecules, which in solids and liquids are bound to other molecules by forces that are often much weaker than the covalent bonds that hold the molecules internally together. It can be found in spent nuclear fuel. In nuclear reactors, promethium equilibrium exists in power operation. In nuclear industry, especially artificial xenon 135 has a tremendous impact on the operation of a nuclear reactor. Atomic Number: 96. Einsteinium is a chemical element with atomic number 99 which means there are 99 protons and 99 electrons in the atomic structure. Discovered by. Terbium is a silvery-white, rare earth metal that is malleable, ductile, and soft enough to be cut with a knife. Niobium is a chemical element with atomic number 41 which means there are 41 protons and 41 electrons in the atomic structure. Xenon is a colorless, dense, odorless noble gas found in the Earth’s atmosphere in trace amounts. Iodine is the least abundant of the stable halogens, being the sixty-first most abundant element. Physical properties of Curium include melting point, boiling point, mechanical strength Note that, these points are associated with the standard atmospheric pressure. The chemical symbol for Berkelium is Bk. Experimental Physico-chemical Properties. Berkelium is a chemical element with atomic number 97 which means there are 97 protons and 97 electrons in the atomic structure. Molybdenum is a chemical element with atomic number 42 which means there are 42 protons and 42 electrons in the atomic structure. Curium is a chemical element with atomic number 96 which means there are 96 protons and 96 electrons in the atomic structure. Solids are similar to liquids in that both are condensed states, with particles that are far closer together than those of a gas. Gadolinium is a chemical element with atomic number 64 which means there are 64 protons and 64 electrons in the atomic structure. Uranium is a silvery-white metal in the actinide series of the periodic table. 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. 96 Cm Curium (247) Period: 7 Melting Point: 1340 Ionization Energy: 5,9915 Electrone Gativity: 1,28 Discovery Year: 1944 Inventor: Ramsay, Sir William & Strutt, John 2 8 18 32 25 9 2 Heat change Our Privacy Policy is a legal statement that explains what kind of information about you we collect, when you visit our Website. Curium is a chemical element with atomic number 96 which means there are 96 protons and 96 electrons in the atomic structure. 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. Cerium is a chemical element with atomic number 58 which means there are 58 protons and 58 electrons in the atomic structure. Holmium is a relatively soft and malleable silvery-white metal. Radon occurs naturally as an intermediate step in the normal radioactive decay chains through which thorium and uranium slowly decay into lead. Group Number: none. Thulium is an easily workable metal with a bright silvery-gray luster. It is obtained chiefly from the mineral cassiterite, which contains tin dioxide. All isotopes of radium are highly radioactive, with the most stable isotope being radium-226. 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. The chemical symbol for Copper is Cu. Caesium has physical and chemical properties similar to those of rubidium and potassium. Boiling point. 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. Aluminum is a chemical element with atomic number 13 which means there are 13 protons and 13 electrons in the atomic structure. The chemical symbol for Bismuth is Bi. Curium does not occur in nature. It has been studied greatly as a possible fuel for radioisotope thermoelectric generators. Its physical and chemical properties are most similar to its heavier homologues strontium and barium. As with boiling points, the melting point of a solid is dependent on the strength of those attractive forces. Although neodymium is classed as a rare earth, it is a fairly common element. Antimony is a chemical element with atomic number 51 which means there are 51 protons and 51 electrons in the atomic structure. Sodium is a soft, silvery-white, highly reactive metal. Iron is a metal in the first transition series. The chemical symbol for Polonium is Po. It is the heaviest essential mineral nutrient. 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. E. Discoverer: De Marignac, Charles Galissard, Discoverer: De Marignac, Jean Charles Galissard, Discoverer: Göhring, Otto and Fajans, Kasimir. Gold is thought to have been produced in supernova nucleosynthesis, from the collision of neutron stars. Chlorine is a yellow-green gas at room temperature. The chemical symbol for Arsenic is As. Lead is soft and malleable, and has a relatively low melting point. It is occasionally found in native form as elemental crystals. The chemical symbol for Praseodymium is Pr. Melting point of Curium is 1345°C. Gold is a bright, slightly reddish yellow, dense, soft, malleable, and ductile metal. Uranium is weakly radioactive because all isotopes of uranium are unstable, with half-lives varying between 159,200 years and 4.5 billion years. Like all elements with atomic number over 100, nobelium can only be produced in particle accelerators by bombarding lighter elements with charged particles. All of its isotopes are radioactive. Selenium is a chemical element with atomic number 34 which means there are 34 protons and 34 electrons in the atomic structure. Cerium is also traditionally considered one of the rare-earth elements. The chemical symbol for Erbium is Er. 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. 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. Fermium is a chemical element with atomic number 100 which means there are 100 protons and 100 electrons in the atomic structure. Like all alkali metals, lithium is highly reactive and flammable, and is stored in mineral oil. It is even less abundant than the so-called rare earths. The chemical symbol for Nickel is Ni. G.T. Curium is a chemical element with atomic number 96 which means there are 96 protons in its nucleus.Total number of protons in the nucleus is called the atomic number of the atom and is given the symbol Z.The total electrical charge of the nucleus is therefore +Ze, where e (elementary charge) equals to 1,602 x 10-19 coulombs. 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. Silicon is a hard and brittle crystalline solid with a blue-grey metallic lustre, it is a tetravalent metalloid and semiconductor. Pure germanium is a semiconductor with an appearance similar to elemental silicon. Titanium is a chemical element with atomic number 22 which means there are 22 protons and 22 electrons in the atomic structure. Nobelium is a chemical element with atomic number 102 which means there are 102 protons and 102 electrons in the atomic structure. Americium is a chemical element with atomic number 95 which means there are 95 protons and 95 electrons in the atomic structure. Xenon is a chemical element with atomic number 54 which means there are 54 protons and 54 electrons in the atomic structure. Sulfur is a chemical element with atomic number 16 which means there are 16 protons and 16 electrons in the atomic structure. The chemical symbol for Neptunium is Np. The capture of the helium nucleus and the emission of a neutron left the isotope curium-242. 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. Melting Point of Curium 1340 o C, 1613 K, 2444 o F. Boiling Point of Curium. Rhenium is a silvery-white, heavy, third-row transition metal in group 7 of the periodic table. The chemical symbol for Curium is Cm.. Curium is a hard, dense, silvery metal with a relatively high melting point and boiling point for an actinide. Its melting point of 1344 °C is significantly higher than that of the previous transuranic elements neptunium (637 °C), plutonium (639 °C) and americium (1173 °C). Rubidium is a chemical element with atomic number 37 which means there are 37 protons and 37 electrons in the atomic structure.