Uranium, 00U
Two hands in brown gloves holding a blotched gray disk with a number 2068 hand-written on it
Uranium
Pronunciation/jʊəˈrniəm/ (ewr-AY-nee-əm)
Appearancesilvery gray metallic; corrodes to a spalling black oxide coat in air
Uranium ആവർത്തനപ്പട്ടികയിൽ
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
Nd

U

(Uqh)
protactiniumuraniumneptunium
ഗ്രൂപ്പ്f-block groups (no number)
പിരീഡ്period 7
ബ്ലോക്ക്  f-block
ഇലക്ട്രോൺ വിന്യാസം[Rn] 5f3 6d1 7s2
Electrons per shell2, 8, 18, 32, 21, 9, 2
Physical properties
Phase at STPsolid
ദ്രവണാങ്കം1405.3 K ​(1132.2 °C, ​2070 °F)
ക്വഥനാങ്കം4404 K ​(4131 °C, ​7468 °F)
Density (near r.t.)19.1 g/cm3
when liquid (at m.p.)17.3 g/cm3
ദ്രവീ‌കരണ ലീനതാപം9.14 kJ/mol
Heat of vaporization417.1 kJ/mol
Molar heat capacity27.665 J/(mol·K)
Vapor pressure
P (Pa) 1 10 100 1 k 10 k 100 k
at T (K) 2325 2564 2859 3234 3727 4402
Atomic properties
Oxidation states+1, +2, +3,[1] +4, +5, +6 (a weakly basic oxide)
ElectronegativityPauling scale: 1.38
അയോണീകരണ ഊർജം
  • 1st: 597.6 kJ/mol
  • 2nd: 1420 kJ/mol
ആറ്റോമിക ആരംempirical: 156 pm
കൊവാലന്റ് റേഡിയസ്196±7 pm
Van der Waals radius186 pm
Color lines in a spectral range
Spectral lines of uranium
Other properties
Natural occurrenceprimordial
ക്രിസ്റ്റൽ ഘടനorthorhombic
Orthorhombic crystal structure for uranium
Speed of sound thin rod3155 m/s (at 20 °C)
Thermal expansion13.9 µm/(m⋅K) (at 25 °C)
താപചാലകത27.5 W/(m⋅K)
Electrical resistivity0.280 µΩ⋅m (at 0 °C)
കാന്തികതparamagnetic
Young's modulus208 GPa
Shear modulus111 GPa
ബൾക്ക് മോഡുലസ്100 GPa
Poisson ratio0.23
Vickers hardness1960–2500 MPa
Brinell hardness2350–3850 MPa
സി.എ.എസ് നമ്പർ7440-61-1
History
Namingafter planet Uranus, itself named after Greek god of the sky Uranus
DiscoveryMartin Heinrich Klaproth (1789)
First isolationEugène-Melchior Péligot (1841)
Isotopes of uranium കാ • [{{fullurl:Template:{{{template}}}|action=edit}} തി]
ഫലകം:Infobox element isotopes
 വർഗ്ഗം: Uranium
| references
U · Uranium
iso
U E
→ H

ibox H

indexes by PT (page)
Data sets read by {{Infobox element}}
Name and identifiers
Top image
  image caption
  image alt
Pronunciation
Category (enwiki)
Standard atomic weight
  most stable isotope
Oxidation states
Spectral lines image

References

  1. Morss, L.R.; Edelstein, N.M.; Fuger, J., eds. (2006). The Chemistry of the Actinide and Transactinide Elements (3rd ed.). Netherlands: Springer. ISBN 9048131464.

ഫലകം:വിവരണം/ഭാഗം

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