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