ୟୁରାନିଅମ

ଉଇକିପିଡ଼ିଆ ରୁ
Uranium
92U
Nd

U

(Uqq)
protactiniumuraniumneptunium
ଭୌତିକ ରୁପ
silvery gray metallic; corrodes to a spalling black oxide coat in air
Two hands in brown gloves holding a blotched gray disk with a number 2068 hand-written on it
ସାଧାରଣ ଧର୍ମ
ନାମ, ପ୍ରତୀକ,
ପରମାଣୁ କ୍ରମାଙ୍କ
uranium, U,
92
ଉଚ୍ଚାରଣ /jʊˈrniəm/
ew-ray-nee-əm
ମୌଳିକ ପ୍ରକାର actinide
ଶ୍ରେଣୀ, ପର୍ଯ୍ୟାୟ, ବ୍ଲକ୍ n/a, 7, f
ମାନକ ପରମାଣବିକ ଓଜନ 238.02891(3)
ଇଲେକ୍‌ଟ୍ରୋନ୍ ବିନ୍ୟାସ [Rn] 5f3 6d1 7s2
2, 8, 18, 32, 21, 9, 2
Electron shells of uranium (2, 8, 18, 32, 21, 9, 2)
ଇତିହାସ
ଆବିଷ୍କାର Martin Heinrich Klaproth (1789)
First isolation Eugène-Melchior Péligot (1841)
ଭୌତିକ ଧର୍ମ
ଅବସ୍ଥା solid
(ରୁମ୍ ଟେମ୍ପରେଚର୍‌ରେ ଘନତା) 19.1 g·cm−3
Liquid density at m.p. 17.3 g·cm−3
ଗଳନାଙ୍କ 1405.3 K, 1132.2 °C, 2070 °F
ସ୍ଫୁଟନାଙ୍କ 4404 K, 4131 °C, 7468 °F
Heat of fusion 9.14 kJ·mol−1
Heat of vaporization 417.1 kJ·mol−1
Molar heat capacity 27.665 J·mol−1·K−1
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 6, 5, 4, 3[୧], 2, 1
(weakly basic oxide)
Electronegativity 1.38 (Pauling scale)
Ionization energies 1st: 597.6 kJ·mol−1
2nd: 1420 kJ·mol−1
Atomic radius 156 pm
Covalent radius 196±7 pm
Van der Waals radius 186 pm
Miscellanea
Crystal structure orthorhombic
Magnetic ordering paramagnetic
Electrical resistivity (0 °C) 0.280 µΩ·m
Thermal conductivity 27.5 W·m−1·K−1
Thermal expansion (25 °C) 13.9 µm·m−1·K−1
Speed of sound (thin rod) (20 °C) 3155 m·s−1
Young's modulus 208 GPa
Shear modulus 111 GPa
Bulk modulus 100 GPa
Poisson ratio 0.23
CAS registry number 7440-61-1
Most stable isotopes
Main article: Isotopes of uranium
iso NA half-life DM DE (MeV) DP
232U trace 68.9 y SF -
α 5.414 228Th
233U trace 1.592×105 y SF 197.93[୨]
α 4.909 229Th
234U 0.005% 2.455×105 y SF 197.78
α 4.859 230Th
235U 0.720% 7.04×108 y SF 202.48
α 4.679 231Th
236U trace 2.342×107 y SF 201.82
α 4.572 232Th
238U 99.274% 4.468×109 y α 4.270 234Th
SF 205.87
ββ - 238Pu
· r

ୟୁରାନିଅମ ହେଉଛି ଏକ ରାସାୟନିକ ମୌଳିକ ଯାହାର ପ୍ରତୀକ Uପରମାଣୁ କ୍ରମାଙ୍କ ୯୨ ଅଟେ ।

ଧର୍ମ[ସମ୍ପାଦନା]

ଭୌତିକ[ସମ୍ପାଦନା]

ରସାୟନିକ[ସମ୍ପାଦନା]

ସମସ୍ଥାନିକ[ସମ୍ପାଦନା]

ଉପସ୍ଥିତି[ସମ୍ପାଦନା]

ଗଠନ[ସମ୍ପାଦନା]

ଉତ୍ପାଦନ[ସମ୍ପାଦନା]

ବ୍ୟବହାର[ସମ୍ପାଦନା]

ଆହୁରି ଦେଖନ୍ତୁ[ସମ୍ପାଦନା]

ଟୀକା[ସମ୍ପାଦନା]

  1. Morss, L.R.; Edelstein, N.M. and Fuger, J., ed. (2006). The Chemistry of the Actinide and Transactinide Elements (3rd ed.). Netherlands: Springer. ISBN 9048131464. 
  2. Magurno, B.A. ; Pearlstein, S, ed. (1981). Proceedings of the conference on nuclear data evaluation methods and procedures. BNL-NCS 51363, vol. II. Upton, NY (USA): Brookhaven National Lab. pp. 835 ff. 

ଆଧାର[ସମ୍ପାଦନା]

Full reference information for multi-page works cited

ବାହାର ଲିଙ୍କ[ସମ୍ପାଦନା]