Rhenium

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Rhenium, 75Re
Rhenium.jpg
Rhenium
Pípè /ˈrniəm/ (REE-nee-əm)
Ìhànsójúgrayish white
Ìwúwo átọ̀mù Ar, std(Re)186.207(1)[1]
Rhenium ní orí tábìlì àyè
Hydrogen Helium
Lithium Beryllium Boron Carbon Nitrogen Oxygen Fluorine Neon
Sodium Magnesium Aluminium Silicon Phosphorus Sulfur Chlorine Argon
Potassium Calcium Scandium Titanium Vanadium Chromium Manganese Iron Cobalt Nickel Copper Zinc Gallium Germanium Arsenic Selenium Bromine Krypton
Rubidium Strontium Yttrium Zirconium Niobium Molybdenum Technetium Ruthenium Rhodium Palladium Silver Cadmium Indium Tin Antimony Tellurium Iodine Xenon
Caesium Barium Lanthanum Cerium Praseodymium Neodymium Promethium Samarium Europium Gadolinium Terbium Dysprosium Holmium Erbium Thulium Ytterbium Lutetium Hafnium Tantalum Tungsten Rhenium Osmium Iridium Platinum Gold Mercury (element) Thallium Lead Bismuth Polonium Astatine Radon
Francium Radium Actinium Thorium Protactinium Uranium Neptunium Plutonium Americium Curium Berkelium Californium Einsteinium Fermium Mendelevium Nobelium Lawrencium Rutherfordium Dubnium Seaborgium Bohrium Hassium Meitnerium Darmstadtium Roentgenium Copernicium Nihonium Flerovium Moscovium Livermorium Tennessine Oganesson
Tc

Re

Bh
tungstenrheniumosmium
Nọ́mbà átọ̀mù (Z)75
Ẹgbẹ́group 7
Àyèàyè 6
Àdìpọ̀Àdìpọ̀-d
Ẹ̀ka ẹ́límẹ́ntì  Transition metal
Ìtò ẹ̀lẹ́ktrọ́nù[Xe] 4f14 5d5 6s2
Iye ẹ̀lẹ́ktrọ́nù lórí ìpele kọ̀ọ̀kan2, 8, 18, 32, 13, 2
Àwọn ohun ìní ara
Ìfarahàn at STPsolid
Ìgbà ìyọ́3459 K ​(3186 °C, ​5767 °F)
Ígbà ìhó5869 K ​(5596 °C, ​10105 °F)
Kíki (near r.t.)21.02 g/cm3
when liquid (at m.p.)18.9 g/cm3
Heat of fusion60.43 kJ/mol
Heat of 704 kJ/mol
Molar heat capacity25.48 J/(mol·K)
 pressure
P (Pa) 1 10 100 1 k 10 k 100 k
at T (K) 3303 3614 4009 4500 5127 5954
Atomic properties
Oxidation states−3, −1, 0, +1, +2, +3, +4, +5, +6, +7 Àdàkọ:Infobox element/symbol-to-oxidation-state/comment
ElectronegativityPauling scale: 1.9
energies
Atomic radiusempirical: 137 pm
Covalent radius151±7 pm
Color lines in a spectral range
Spectral lines of rhenium
Other properties
Natural occurrenceprimordial
Crystal structurehexagonal
Hexagonal crystal structure for rhenium
Speed of sound thin rod4700 m/s (at 20 °C)
Thermal expansion6.2 µm/(m·K)
Thermal conductivity48.0 W/(m·K)
Electrical resistivity193 n Ω·m (at 20 °C)
Magnetic orderingparamagnetic[2]
Young's modulus463 GPa
Shear modulus178 GPa
Bulk modulus370 GPa
Poisson ratio0.30
Mohs hardness7.0
Vickers hardness2450 MPa
Brinell hardness1320 MPa
CAS Number7440-15-5
Main isotopes of rhenium
Iso­tope Abun­dance Half-life (t1/2) Decay mode Pro­duct
185Re 37.4% 185Re is stable with 110 neutrons
187Re 62.6% 4.35×1010 y α (not observed) 1.653 183Ta
β- 0.0026 187Os
Àdàkọ:Category-inline
| references


Itokasi[àtúnṣe | àtúnṣe àmìọ̀rọ̀]

  1. Meija, Juris; Coplen, Tyler B.; Berglund, Michael; Brand, Willi A.; De Bièvre, Paul; Gröning, Manfred; Holden, Norman E.; Irrgeher, Johanna et al. (2016). "Atomic weights of the elements 2013 (IUPAC Technical Report)". Pure and Applied Chemistry 88 (3): 265–91. doi:10.1515/pac-2015-0305. 
  2. Magnetic susceptibility of the elements and inorganic compounds, in Handbook of Chemistry and Physics 81th edition, CRC press.