Plùtòníọ̀m

Plutonium
94Pu
Sm ↑ Pu ↓ (Uqq) Tábìlì ìdásìkò neptunium ← plutonium → americium
Ìhànsójú
silvery white
Àwọn ìdámọ́ wíwọ́pọ̀
Orúkọ, àmì-ìdámọ́, nọ́mbà	plutonium, Pu, 94
Ìpèlóhùn	/pluːˈtoʊniəm/ ploo-TOE-nee-əm
Ẹ̀ka ẹ́límẹ̀nti	actinide
Ẹgbẹ́, àsìkò, àdìpò	n/a, 7, f
Ìwúwo átọ́mù	(244)
Ìtòléra ẹ̀lẹ́ktrónì	[Rn] 5f6 7s2 2, 8, 18, 32, 24, 8, 2
Physical properties
Phase	solid
Density (near r.t.)	19.816 g·cm−3
Liquid density at m.p.	16.63 g·cm−3
Melting point	912.5 K, 639.4 °C, 1182.9 °F
Boiling point	3505 K, 3228 °C, 5842 °F
Heat of fusion	2.82 kJ·mol−1
Heat of vaporization	333.5 kJ·mol−1
Molar heat capacity	35.5 J·mol−1·K−1
Vapor pressure
P (Pa) 1 10 100 1 k 10 k 100 k at T (K) 1756 1953 2198 2511 2926 3499
Atomic properties
Oxidation states	7, 6, 5, 4, 3 (amphoteric oxide)
Electronegativity	1.28 (Pauling scale)
Ionization energies	1st: 584.7 kJ·mol−1
Atomic radius	159 pm
Covalent radius	187±1 pm
Miscellanea
Crystal structure	monoclinic
Magnetic ordering	paramagnetic
Electrical resistivity	(0 °C) 1.460 µΩ·m
Thermal conductivity	6.74 W·m−1·K−1
Thermal expansion	(25 °C) 46.7 µm·m−1·K−1
Speed of sound	2260 m·s−1
Young's modulus	96 GPa
Shear modulus	43 GPa
Poisson ratio	0.21
CAS registry number	7440-07-5
Àwọn ísótòpù dídúró jùlọ
Main article: Àwọn ísótòpù plutonium
iso NA half-life DM DE (MeV) DP 238Pu syn 88 y SF 204.66 — α 5.5 234U 239Pu trace 2.41 × 104 y SF 207.06 — α 5.157 235U 240Pu syn 6.5 × 103 y SF 205.66 — α 5.256 236U 241Pu syn 14 y β− 0.02078 241Am SF 210.83 — 242Pu syn 3.73 × 105 y SF 209.47 — α 4.984 238U 244Pu trace 8.08 × 107 y α 4.666 240U SF —

Plùtòníọ̀m tabi Plutonium je is a synthetic apilese kemika alasopo teyinuraniom alagbararadio to ni ami-idamo kemika Pu ati nomba atomu 94.