Ùráníọ̀m

Uranium
	92U
	protactinium ← uranium → neptunium
Ìhànsójú
	silvery gray metallic; corrodes to a spalling black oxide coat in air;
Àwọn ìdámọ́ wíwọ́pọ̀
Orúkọ, àmì-ìdámọ́, nọ́mbà	uranium, U, 92
Ẹ̀ka ẹ́límẹ̀nti	actinide
Ẹgbẹ́, àsìkò, àdìpò	n/a, 7, f
Ìwúwo átọ́mù	238.02891(3)
Ìtòléra ẹ̀lẹ́ktrónì	[Rn] 5f3 6d1 7s2; 2, 8, 18, 32, 21, 9, 2
Physical properties
Phase	solid
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
Atomic properties
Oxidation states	6, 5, 4, 3; (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
Àwọn ísótòpù dídúró jùlọ
	Main article: Àwọn ísótòpù uranium
	w; ọ; a; · r

Ùráníọ̀m tabi Uranium je apilese kemika onide bi fadaka funfun ninu eseese aktinidi ti tabili igba to ni nomba atomu 92. O ni ami-idamo kemika U. Atomu uraniom kan ni 92 awon protoni 92 ati awon elektroni 92.

Àyọkà yìí tàbí apá rẹ̀ únfẹ́ àtúnṣe sí.

Ẹ le fẹ̀ jù báyìí lọ tàbí kí ẹ ṣàtúnṣe rẹ̀ lọ́nà tí yíò mu kúnrẹ́rẹ́. Ẹ ran Wikipedia lọ́wọ́ láti fẹ̀ẹ́ jù báyìí lọ.

Itokasi[àtúnṣe | àtúnṣe àmìọ̀rọ̀]

↑ The Chemistry of the Actinide and Transactinide Elements: Third Edition by L.R. Morss, N.M. Edelstein, J. Fuger, eds. (Netherlands: Springer, 2006.)