Electronic shell [ Rn ] 5f 7 6d 1 7s 2. Curium accumulates in the bones, liver, and lungs. 0. The chemical symbol for Curium is … Seaborg in 1944. 0.    Crystal Structure, Element Groups: Curium Basic Facts . Atomic mass of Curium is 247 u. 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). 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).    Alkali Metals Curium ek chemical element hae, jiske chemical symbol Cm, atomic number 96 aur aomic mass 247 hae . 247 Cm is the longest lived isotope, has half-life 15.6 million years. G.T. Melting point. It is a dense, silver metal in the actinide series that glows purple in the dark. Copyright © 1996-2012 Yinon Bentor. Curium.    Atomic Number There are 19 …    Name That means, there are 96 protons in the atomic nucleus of the curium atom along with 146 neutrons. The isotope which has been identified has an observed half-life of about 45 minutes and is thought to have the mass number 244. Density. Atomic Mass of Curium. Seaborg, R.A. James, A. Ghiorso, 1944 (United States). 13.51 g.cm-3 at 20°C. Number of protons in Curium is 96. 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 has 14 known isotopes. 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. 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 . Curium 242 is an isotope of the chemical element curium. Because of World War II, the discovery remained a secret until November 1947.    Date of Discovery Electronegativity according to Pauling. Curium is dense hard metal that appears silvery white in colour. Biological Role: Like the other actinides, curium presents a radiological hazard. The electronic configuration of the elements determines the way in which the electrons are structured in the atoms of an element.    Boiling Point    Non-Metals It is named for Marie and Pierre Curie – pioneers in radioactivity research. Curium - Mass Number - Neutron Number - Cm. This page was created by Yinon Bentor. The most stable isotope of curium, 247Cm, has an atomic mass of 247,070 354. Curium is a radioactive element with atomic number 96 and element symbol Cm. 0. Curium, a trans-uranic element, was first discovered by Glenn Seaborg and collaborators at the University of California, Berkeley. Though none are stable, 247 Cm has a half-life of about 15,600,000 years. Mass Percent: Curium: Cm: 247: 1: 39.349%: Iodine: I: 126.90447: 3: 60.651% ›› Calculate the molecular weight of a chemical compound. It has high melting point of 1340 degree centigrade. It is primarily an alpha particle emitter and can cause cancer. Curium (Cm) Atomic Data for Curium (Cm) Atomic Number = 96 Atomic Weight = (247) … Its physical and chemical properties resembles to the element above it in lanthanide series. In the following post, you will learn about one of these elements – curium. 0. The atomic mass is the mass of an atom. 1340 °C. PHYSICAL PROPERTIES; Density / g dm-3: 13300 (calc.) unknown. Periodic table me ii uu chemical elements ke group me hae jiske Actinoids bolaa jaae hae. It … It is represented by symbol Cm and has atomic number 96. Molar volume / cm 3 mol-1: … Mass numbers of typical isotopes of Curium are 242-250. Curium was made by bombarding plutonium-239 with helium nuclei which had been accelerated in the cyclotron. Notes on the properties of Curium: Atomic Mass: Atomic mass number given for longest lived isotope. Use of this web site is restricted by this site's license Curium is a chemical element with atomic number 96 which means there are 96 protons and 96 electrons in the atomic structure. Appearance: silvery, malleable, synthetic radioactive metal. Atomic mass (247) g.mol-1. Seaborg, R.A. James, A. Ghiorso, 1944 (United States). 0. 0. 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    Metalloids Curium shows an increase in electrical resistivity with the increase in temperature. 247 * 247.0703. They range in mass from 237 to 251. Curium is a hard, brittle, silvery radioactive metal that tarnishes slowly and which can only be produced in nuclear reactors. 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. 0. The atomic … Mass Percent: Curium: Cm: 247: 2: 91.144%: Oxygen: O: 15.9994: 3: 8.856% ›› Calculate the molecular weight of a chemical compound. 96 . Name Origin: Named in honor of Pierre and Marie Curie. Because it is an artificial element, a standard atomic weight cannot be given, and it has no stable isotopes. It belongs to actinide series of the periodic table.    Halogens Note that, each element may contain more isotopes, therefore this resulting atomic mass is calculated from naturally-occuring isotopes and their abundance. Enter a chemical formula: Browse the list of common chemical compounds. Discovered by.    Melting Point So radioactive it glows in the dark. This metal possesses some magnetic properties. 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 Fourteen isotopes of curium are now known ranging in mass from 237 to 251. 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. » Boiling Point » Melting Point » State at STP » Discovery Year About Curium.    Atomic Mass Mass Number.    Other Metals Curium has an atomic mass of 247 u. 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 … 7/2+ 246 * 246.0672. It is named for Marie and Pierre Curie – pioneers in radioactivity research. ›› More information on molar mass and molecular weight. The first isotope synthesized was 242 Cm in 1944, which has 146 neutrons. Enter a chemical formula: Browse the list of common chemical compounds. Element Classification: Radioactive Rare Earth Element (Actinide Series). unknown. agreement. 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. Periodic table; H He: Li: Be … Melting point of Curium is 1340 °C and its the boiling point is 3110 °C. Boiling point. Chemical symbol for Curium is Cm. It is electro-positive, radioactive and also a chemically active substance, which is not obtained naturally. The electron configuration of curium is [Rn] 5f7 6d1 7s2. It has atomic number 96 and mass number 242. 0. 244 * 244.0627. 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.  Comments Atomic Number: 96 Symbol: Cm Atomic Weight: 247.0703 Discovery: G.T. 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. It is a dense, silver metal in the actinide series that glows purple in the dark. Named after Pierre and Marie Curie. Curium is a hard metal having an atomic number of 96 and symbol Cm.    Number of Neutrons    Noble Gases She has taught science courses at the high school, college, and graduate levels. It is a silvery, malleable, synthetic radioactive metal. ›› More information on molar mass and molecular weight. Atomic Mass of Curium. One atomic mass unit is equal to 1.66 x 10-24 grams. unknown . About This Site Atomic number. Curium was made by bombarding plutonium with helium ions. Nuclear Spin. 242 * 242.0588. Vanderwaals radius . Atomic Mass % Abundance. Curium (96 Cm) is an artificial element with an atomic number of 96. Isotopes of curium.    Alkaline Earth Metals It is less dense than its preceding transuranic element but heavier than most other metals. Los Alamos National Laboratory, U.S. Department of Energy 4 Description Dr. Helmenstine holds a Ph.D. in biomedical sciences and is a science writer, educator, and consultant. 245 * 245.0655.  Help The well-organised arrangement is based on the atomic numbers, chemical properties, and electron configuration of these chemical properties.    Rare Earth Elements, Basic Information | Atomic Structure | Isotopes | Related Links | Citing This Page. This metal is artificially produced in the nuclear reactors. The atomic mass of curium 242 is approximately 242.0588 amu. Relative atomic mass:-Curium was discovered by Glenn T. Seaborg, Ralph A. James, and Albert Ghiorso (US) in 1944. 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. Discovery: G.T. One unified atomic mass unit is approximately the mass of … This element was identified by an American chemist Glenn T. Seaborg and his colleagues in 1944.    Electron Configuration Atomic mass of Curium is 247 u. Named in honour of Pierre and Marie Curie. The capture of the helium nucleus and the emission of a neutron left the isotope curium-242.    Transition Metals unknown. All Rights Reserved. Curium. Isotopes. This table is divided into several groups, periods, and blocks.  Links, Show Table With: 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. Curium has 21 known isotopes with atomic masses ranging from 232 to 252 and it has no stable isotopes. 10. 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