0. Boiling point. Curium is a chemical element with atomic number 96 which means there are 96 protons and 96 electrons in the atomic structure. Curium has an atomic mass of 247 u. She has taught science courses at the high school, college, and graduate levels. In the following post, you will learn about one of these elements – curium. Named in honour of Pierre and Marie Curie.    Crystal Structure, Element Groups: Curium ek chemical element hae, jiske chemical symbol Cm, atomic number 96 aur aomic mass 247 hae . Atomic mass (247) g.mol-1. Because it is an artificial element, a standard atomic weight cannot be given, and it has no stable isotopes. The electron configuration of curium is [Rn] 5f7 6d1 7s2. Uses Of Curium Element: Curium is mainly used for scientific research purposes and it has been used to provide power to electrical equipment used on space missions. Number of protons in Curium is 96. It is named for Marie and Pierre Curie – pioneers in radioactivity research. Curium has 14 known isotopes. Mass numbers of typical isotopes of Curium are 242-250. 0. All Rights Reserved. unknown. The most stable isotope of curium, 247Cm, has an atomic mass of 247,070 354.    Alkali Metals It has high melting point of 1340 degree centigrade. 0. Mass Percent: Curium: Cm: 247: 2: 91.144%: Oxygen: O: 15.9994: 3: 8.856% ›› Calculate the molecular weight of a chemical compound. Curium is a radioactive element with atomic number 96 and element symbol Cm. It is represented by symbol Cm and has atomic number 96. unknown. Because of World War II, the discovery remained a secret until November 1947. Curium is a member of a group of elements, the transuranic elements, that - with the exception of plutonium and neptunium - do not occur naturally on Earth. Isotopes of curium. Enter a chemical formula: Browse the list of common chemical compounds. Melting point. Atomic Mass of Curium. Vanderwaals radius .    Boiling Point Curium is a radioactive element with atomic number 96 and element symbol Cm. 7/2+ 246 * 246.0672.    Atomic Mass Tantalum Facts (Atomic Number 73 and Element Symbol Ta), Silver Facts (Atomic Number 47 and Element Symbol Ag), Berkelium Element Facts - Atomic Number 97 or Bk, Lead Facts and Properties - Element 82 or Pb, Ph.D., Biomedical Sciences, University of Tennessee at Knoxville, B.A., Physics and Mathematics, Hastings College.    Name Curium-244 is a strong alpha emitter and is being studied as a potential power source in radioisotope thermoelectric generators (RTGs) for use in spacecraft and other remote applications. Name: Curium Symbol: Cm Atomic Number: 96 Atomic Mass: (247.0) amu Melting Point: 1340.0 °C (1613.15 K, 2444.0 °F) Boiling Point: Unknown Number of Protons/Electrons: 96 Number of Neutrons: 151 Classification: Rare Earth Crystal Structure: Unknown Density @ 293 K: 13.511 g/cm 3 Color: Unknown Atomic Structure Atomic Mass of Curium. There are 19 … Melting point of Curium is 1340 °C and its the boiling point is 3110 °C. Nuclear Spin. Curium (96 Cm) is an artificial element with an atomic number of 96. 10. Atomic mass of Curium is 247 u. Name Origin: Named in honor of Pierre and Marie Curie. 0.  Links, Show Table With: This metal is artificially produced in the nuclear reactors. The isotope which has been identified has an observed half-life of about 45 minutes and is thought to have the mass number 244. The most stable, 247 Cm, with a half-life of 16 million years, is so short compared to the earth's age that any primordial curium must have disappeared long ago from the natural scene. Fourteen isotopes of curium are now known ranging in mass from 237 to 251. 0. Electronic shell [ Rn ] 5f 7 6d 1 7s 2. Curium 242 is an isotope of the chemical element curium. It is named for Marie and Pierre Curie – pioneers in radioactivity research. 247 Cm is the longest lived isotope, has half-life 15.6 million years. Periodic table me ii uu chemical elements ke group me hae jiske Actinoids bolaa jaae hae. Curium. Chemical symbol for Curium is Cm. Notes on the properties of Curium: Atomic Mass: Atomic mass number given for longest lived isotope. Mass Percent: Curium: Cm: 247: 1: 39.349%: Iodine: I: 126.90447: 3: 60.651% ›› Calculate the molecular weight of a chemical compound. They range in mass from 237 to 251. Isotopes. Though none are stable, 247 Cm has a half-life of about 15,600,000 years. It provides atomic mass, mass excess, nuclear binding energy, nucleon separation energies, Q-values, and nucleon residual interaction parameters for atomic nuclei of the isotope Cm-241 (Curium, atomic number Z = 96, mass number A = 241).    Rare Earth Elements, Basic Information | Atomic Structure | Isotopes | Related Links | Citing This Page. Molar volume / cm 3 mol-1: … Atomic Structure Symbol Cm Atomic Number 96 Atomic Mass 247 g/mol Periodic Table Group 3 Row / Period 7 Element Category Transition dhaatu Chhapa Curium ke electron shell. This table is divided into several groups, periods, and blocks. Curium is dense hard metal that appears silvery white in colour. So radioactive it glows in the dark. Curium accumulates in the bones, liver, and lungs. It is a dense, silver metal in the actinide series that glows purple in the dark. ›› More information on molar mass and molecular weight. The electronic configuration of the elements determines the way in which the electrons are structured in the atoms of an element. » Boiling Point » Melting Point » State at STP » Discovery Year About Curium. It belongs to actinide series of the periodic table. Appearance: silvery, malleable, synthetic radioactive metal. Discovery: G.T. That means, there are 96 protons in the atomic nucleus of the curium atom along with 146 neutrons. 0. This element was identified by an American chemist Glenn T. Seaborg and his colleagues in 1944. Use of this web site is restricted by this site's license unknown . Element Classification: Radioactive Rare Earth Element (Actinide Series). The first isotope synthesized was 242 Cm in 1944, which has 146 neutrons. It is less dense than its preceding transuranic element but heavier than most other metals. Curium. The atomic mass is the mass of an atom. 1340 °C. 247 * 247.0703. Ionic radius. Note that, each element may contain more isotopes, therefore this resulting atomic mass is calculated from naturally-occuring isotopes and their abundance. Seaborg, R.A. James, A. Ghiorso, 1944 (United States). 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. Enter a chemical formula: Browse the list of common chemical compounds.    Electron Configuration Relative atomic mass:-Curium was discovered by Glenn T. Seaborg, Ralph A. James, and Albert Ghiorso (US) in 1944. One atomic mass unit is equal to 1.66 x 10-24 grams. 0. The total number of neutrons in the nucleus of an atom is called the neutron number of the atom and is given the symbol N. Curium, a trans-uranic element, was first discovered by Glenn Seaborg and collaborators at the University of California, Berkeley. It is a dense, silver metal in the actinide series that glows purple in the dark. Curium has 21 known isotopes with atomic masses ranging from 232 to 252 and it has no stable isotopes. Los Alamos National Laboratory, U.S. Department of Energy 4 Description unknown. It is a silvery, malleable, synthetic radioactive metal. 0. Atomic Mass % Abundance.  Comments Curium is a hard, brittle, silvery radioactive metal that tarnishes slowly and which can only be produced in nuclear reactors. This page was created by Yinon Bentor. Curium Basic Facts . G.T. Curium is a hard metal having an atomic number of 96 and symbol Cm. 96 . ›› More information on molar mass and molecular weight. Mass Number. Curium - Mass Number - Neutron Number - Cm. It provides atomic mass, mass excess, nuclear binding energy, nucleon separation energies, Q-values, and nucleon residual interaction parameters for atomic nuclei of the isotope Cm-242 (Curium, atomic number Z = 96, mass number A = 242). Atomic Number: 96 Symbol: Cm Atomic Weight: 247.0703 Discovery: G.T.    Non-Metals Discover surprising insights and little-known facts about politics, literature, science, and the marvels of the natural world. About This Site Atomic number. PHYSICAL PROPERTIES; Density / g dm-3: 13300 (calc.)    Transition Metals 13.51 g.cm-3 at 20°C. Atomic weight of Curium is 247 u or g/mol. The chemical symbol for Curium is …    Metalloids    Date of Discovery Atomic mass of Curium is 247 u.    Noble Gases The unit of measure for mass is the atomic mass unit (amu). Seaborg in 1944. The well-organised arrangement is based on the atomic numbers, chemical properties, and electron configuration of these chemical properties. Curium shows an increase in electrical resistivity with the increase in temperature.    Atomic Number Curium (Cm) Atomic Data for Curium (Cm) Atomic Number = 96 Atomic Weight = (247) … Copyright © 1996-2012 Yinon Bentor. It has atomic number 96 and mass number 242.    Halogens The atomic mass or relative isotopic mass refers to the mass of a single particle, and therefore is tied to a certain specific isotope of an element. 96: Curium - Curium [Cm] Group: 3 Period: 7 Atomic number: 96 Atomic mass: 247 Configuration: [Rn] 5f 7 6d 1 7s 2 Covalent radius: 169 pm Ionization energy: 5.9914 eV Electronic term: 9 D 2 Electronegativity: 1.3 The capture of the helium nucleus and the emission of a neutron left the isotope curium-242. agreement. Dr. Helmenstine holds a Ph.D. in biomedical sciences and is a science writer, educator, and consultant. 247.0 atomic mass units Number of Protons: 96: Number of Neutrons: 151: Number of Electrons: 96: Melting Point: 1340.0° C: Boiling Point: 3110.0° C: Density: 13.51 grams per cubic centimeter: Normal Phase: Synthetic: Family: Rare Earth Metals : Period: 7: Cost: $160 per milligram . Up to date, curated data provided by Mathematica's ElementData function from Wolfram Research, Inc. Click here to buy a book, photographic periodic table poster, card deck, or … Biological Role: Like the other actinides, curium presents a radiological hazard. The atomic mass of curium 242 is approximately 242.0588 amu. Its physical and chemical properties resembles to the element above it in lanthanide series. Electronegativity according to Pauling. Curium was made by bombarding plutonium-239 with helium nuclei which had been accelerated in the cyclotron.    Alkaline Earth Metals It … 242 * 242.0588.    Other Metals Density. It is electro-positive, radioactive and also a chemically active substance, which is not obtained naturally.    Number of Neutrons This metal possesses some magnetic properties. One unified atomic mass unit is approximately the mass of … Periodic table; H He: Li: Be … The atomic … Named after Pierre and Marie Curie. Curium was made by bombarding plutonium with helium ions. 245 * 245.0655. Discovered by. 244 * 244.0627. Seaborg, R.A. James, A. Ghiorso, 1944 (United States). It is primarily an alpha particle emitter and can cause cancer.  Help    Melting Point

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