ୟୁରାନିଅମ

ୟୁରାନିଅମ ହେଉଛି ଏକ ରାସାୟନିକ ମୌଳିକ ଯାହାର ପ୍ରତୀକ Uପରମାଣୁ କ୍ରମାଙ୍କ ୯୨ ।

Uranium,  92U
Two hands in brown gloves holding a blotched gray disk with a number 2068 hand-written on it
ସାଧାରଣ ଗୁଣ
ନାମ, ପ୍ରତୀକuranium, U
Appearancesilvery gray metallic; corrodes to a spalling black oxide coat in air
ଉଚ୍ଚାରଣ/jʊˈrniəm/
ew-RAY-nee-əm
Uranium in the periodic table
Hydrogen (other non-metal)
Helium (noble gas)
Lithium (alkali metal)
Beryllium (alkaline earth metal)
Boron (metalloid)
Carbon (other non-metal)
Nitrogen (other non-metal)
Oxygen (other non-metal)
Fluorine (halogen)
Neon (noble gas)
Sodium (alkali metal)
Magnesium (alkaline earth metal)
Aluminium (post-transition metal)
Silicon (metalloid)
Phosphorus (other non-metal)
Sulfur (other non-metal)
Chlorine (halogen)
Argon (noble gas)
Potassium (alkali metal)
Calcium (alkaline earth metal)
Scandium (transition metal)
Titanium (transition metal)
Vanadium (transition metal)
Chromium (transition metal)
Manganese (transition metal)
Iron (transition metal)
Cobalt (transition metal)
Nickel (transition metal)
Copper (transition metal)
Zinc (transition metal)
Gallium (post-transition metal)
Germanium (metalloid)
Arsenic (metalloid)
Selenium (other non-metal)
Bromine (halogen)
Krypton (noble gas)
Rubidium (alkali metal)
Strontium (alkaline earth metal)
Yttrium (transition metal)
Zirconium (transition metal)
Niobium (transition metal)
Molybdenum (transition metal)
Technetium (transition metal)
Ruthenium (transition metal)
Rhodium (transition metal)
Palladium (transition metal)
Silver (transition metal)
Cadmium (transition metal)
Indium (post-transition metal)
Tin (post-transition metal)
Antimony (metalloid)
Tellurium (metalloid)
Iodine (halogen)
Xenon (noble gas)
Caesium (alkali metal)
Barium (alkaline earth metal)
Lanthanum (lanthanoid)
Cerium (lanthanoid)
Praseodymium (lanthanoid)
Neodymium (lanthanoid)
Promethium (lanthanoid)
Samarium (lanthanoid)
Europium (lanthanoid)
Gadolinium (lanthanoid)
Terbium (lanthanoid)
Dysprosium (lanthanoid)
Holmium (lanthanoid)
Erbium (lanthanoid)
Thulium (lanthanoid)
Ytterbium (lanthanoid)
Lutetium (lanthanoid)
Hafnium (transition metal)
Tantalum (transition metal)
Tungsten (transition metal)
Rhenium (transition metal)
Osmium (transition metal)
Iridium (transition metal)
Platinum (transition metal)
Gold (transition metal)
Mercury (transition metal)
Thallium (post-transition metal)
Lead (post-transition metal)
Bismuth (post-transition metal)
Polonium (post-transition metal)
Astatine (halogen)
Radon (noble gas)
Francium (alkali metal)
Radium (alkaline earth metal)
Actinium (actinoid)
Thorium (actinoid)
Protactinium (actinoid)
Uranium (actinoid)
Neptunium (actinoid)
Plutonium (actinoid)
Americium (actinoid)
Curium (actinoid)
Berkelium (actinoid)
Californium (actinoid)
Einsteinium (actinoid)
Fermium (actinoid)
Mendelevium (actinoid)
Nobelium (actinoid)
Lawrencium (actinoid)
Rutherfordium (transition metal)
Dubnium (transition metal)
Seaborgium (transition metal)
Bohrium (transition metal)
Hassium (transition metal)
Meitnerium (unknown chemical properties)
Darmstadtium (unknown chemical properties)
Roentgenium (unknown chemical properties)
Copernicium (transition metal)
Ununtrium (unknown chemical properties)
Flerovium (unknown chemical properties)
Ununpentium (unknown chemical properties)
Livermorium (unknown chemical properties)
Ununseptium (unknown chemical properties)
Ununoctium (unknown chemical properties)
Nd

U

(Uqq)
protactinium ← uraniumneptunium
ପରମାଣୁ କ୍ରମାଙ୍କ (Z)92
ଶ୍ରେଣୀ, ବ୍ଳକgroup n/a, f-block
ପର୍ଯ୍ୟାୟperiod 7
ମୌଳିକ ପ୍ରକାର  actinide
ମାନକ ପରମାଣବିକ ଓଜନ (±) (Ar)238.02891(3)
ଇଲେକ୍‌ଟ୍ରୋନ୍ ବିନ୍ୟାସ[Rn] 5f3 6d1 7s2
per shell
2, 8, 18, 32, 21, 9, 2
ଭୌତିକ ଗୁଣ
ଅବସ୍ଥାsolid
ଗଳନାଙ୍କ1405.3 K ​(1132.2 °C, ​2070 °F)
ସ୍ଫୁଟନାଙ୍କ4404 K ​(4131 °C, ​7468 °F)
Density near r.t.19.1 g/cm3
when liquid, at m.p.17.3 g/cm3
Heat of fusion9.14 kJ/mol
Heat of 417.1 kJ/mol
Molar heat capacity27.665 J/(mol·K)
 pressure
P (Pa)1101001 k10 k100 k
at T (K)232525642859323437274402
Atomic properties
Oxidation states6, 5, 4, 3[୧], 2, 1
(weakly basic oxide)
ElectronegativityPauling scale: 1.38
Atomic radiusempirical: 156 pm
Covalent radius196±7 pm
Van der Waals radius186 pm
Miscellanea
Crystal structure ​orthorhombic
Orthorhombic crystal structure for uranium
Speed of sound thin rod3155 m/s (at 20 °C)
Thermal expansion13.9 µm/(m·K) (at 25 °C)
Thermal conductivity27.5 W/(m·K)
Electrical resistivity0.280 µ Ω·m (at 0 °C)
Magnetic orderingparamagnetic
Young's modulus208 GPa
Shear modulus111 GPa
Bulk modulus100 GPa
Poisson ratio0.23
CAS Number7440-61-1
ଇତିହାସ
ଆବିଷ୍କାରMartin Heinrich Klaproth (1789)
First isolationEugène-Melchior Péligot (1841)
Most stable isotopes of uranium
isoNAhalf-lifeDMDE (MeV)DP
232Utrace68.9 ySF-
α5.414228Th
233Utrace1.592×105 ySF197.93[୨]
α4.909229Th
234U0.005%2.455×105 ySF197.78
α4.859230Th
235U0.720%7.04×108 ySF202.48
α4.679231Th
236Utrace2.342×107 ySF201.82
α4.572232Th
238U99.274%4.468×109 yα4.270234Th
SF205.87
ββ-238Pu
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