Template:Infobox uranium

Uranium, ₉₂U

Uranium
Pronunciation	/j[unsupported input]eɪniəm/ ​(yoor-AY-nee-əm)
Appearance	sillery gray metallic; corrodes tae a spallin black oxide coat in air
Standard atomic weight Ar, std(U)	7002238028910000000♠238.02891(3)
Uranium in the periodic cairt
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 Airn Cobalt Nickel Capper Zinc Gallium Germanium Arsenic Selenium Bromine Krypton Rubidium Strontium Yttrium Zirconium Niobium Molybdenum Technetium Ruthenium Rhodium Palladium Siller (element) 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 Gowd Mercur (element) Thallium Leid (element) 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 Ununtrium Flerovium Ununpentium Livermorium Ununseptium Ununoctium Nd ↑ U ↓ (Uqh) protactinium ← uranium → neptunium
Atomic nummer (Z)	92
Group	group n/a
Period	period 7
Block	f-block
Element category	Actinide
Electron confeeguration	[Rn] 5f3 6d1 7s2
Electrons per shell	2, 8, 18, 32, 21, 9, 2
Pheesical properties
Phase at STP	solid
Meltin pynt	1405.3 K ​(1132.2 °C, ​2070 °F)
Bylin pynt	4404 K ​(4131 °C, ​7468 °F)
Density (near r.t.)	19.1 g/cm3
when liquid (at m.p.)	17.3 g/cm3
Heat o fusion	9.14 kJ/mol
Heat o vapourisation	417.1 kJ/mol
Molar heat capacity	27.665 J/(mol·K)
Vapour pressur 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, +4, +5, +6 waikly basic
Electronegativity	Pauling scale: 1.38
Ionisation energies	1st: 597.6 kJ/mol 2nd: 1420 kJ/mol
Atomic radius	empirical: 156 pm
Covalent radius	196±7 pm
Van der Waals radius	186 pm
Colour lines in a spectral range Spectral lines o uranium
Ither properties
Naitural occurrence	primordial
Creestal structur	​orthorhombic
Speed o soond thin rod	3155 m/s (at 20 °C)
Thermal expansion	13.9 µm/(m·K) (at 25 °C)
Thermal conductivity	27.5 W/(m·K)
Electrical resistivity	0.280 µΩ·m (at 0 °C)
Magnetic orderin	paramagnetic
Young's modulus	208 GPa
Shear modulus	111 GPa
Bulk modulus	100 GPa
Poisson ratio	0.23
Vickers haurdness	1960–2500 MPa
Brinell haurdness	2350–3850 MPa
CAS Nummer	7440-61-1
History
Namin	efter planet Uranus, itsel named efter Greek god o the sky Uranus
Diskivery	Martin Heinrich Klaproth (1789)
First isolation	Eugène-Melchior Péligot (1841)
Main isotopes o uranium
Iso­tope Abun­dance Hauf-life (t1/2) Decay mode Pro­duct 232U syn 68.9 y SF – α 228Th 233U trace 1.592×105 y SF – α 229Th 234U 0.005% 2.455×105 y SF – α 230Th 235U 0.720% 7.04×108 y SF – α 231Th 236U trace 2.342×107 y SF – α 232Th 238U 99.274% 4.468×109 y α 234Th SF – β−β− 238Pu

style="text-align:left"| data m.p. cat
	in	calc from C	diff	report	ref
C	1132.2	—	—
K	1405.3	1405.3	0
F	2070	2070.0	0
WD	!
input	C: 1132.2, K: 1405.3, F: 2070
comment

style="text-align:left"| data b.p. cat
	in	calc from C	diff	report	ref
C	4131	—	—
K	4404	4404	0
F	7468	7468	0
WD	!
input	C: 4131, K: 4404, F: 7468
comment

PTUranium

Pa ←	iso 92U  infobox  isobox	→ Np
Commons  Wiktionary  Wikidata: Indexes in PT: § below · Page

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