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Radium (alkaline earth metal)
Actinium (actinoid)
Thorium (actinoid)
Protactinium (actinoid)
Uranium (actinoid)
Neptunium (actinoid)
Plutonium (actinoid)
Americium (actinoid)
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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)
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
Kinatibuk-ang mga kinaiya
Ngalan, simbolo, kaiphan uranium, U, 92
Paglitok /jʊˈrniəm/
[[Help:Pronunciation respelling key|ew-Plantilya:Smallcaps all-nee-əm]]
Kategoriyang elemento aktinido
Group, period, block [[group element|]], 7, f
Gibug-aton sa atomo 238.02891(3)
Kontorno sa elektron [Rn] 5f3 6d1 7s2
2, 8, 18, 32, 21, 9, 2
Electron shells of uranium (2, 8, 18, 32, 21, 9, 2)
Pagkadiskobre Martin Heinrich Klaproth (1789)
First isolation Eugène-Melchior Péligot (1841)
Physical properties
Phase magahi
Density (near r.t.) 19.1 g·cm−3
Liquid density at m.p. 17.3 g·cm−3
Melting point 1405.3 K, 1132.2 °C, 2070 °F
Boiling point 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[1], 2
(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
Crystal structure orthorhombic
Uranium has a orthorhombic crystal structure
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[2]
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

Ang uranyo (Iningles uranium) mao ang elementong kimiko sa talaang peryodiko nga may simbolo nga U ug kaiphan nga atomik 92. Ang uranyo mao ang aktinido.

Ang mga gi basihan niini[usba | usba ang wikitext]

  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, http://www.osti.gov/bridge//product.biblio.jsp?query_id=0&page=0&osti_id=5972980. 

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