Plùtòníọ̀m

Lát'ọwọ́ Wikipedia, ìwé ìmọ̀ ọ̀fẹ́
(Àtúnjúwe láti Plutonium)
Lọ sí: atọ́ka, àwárí
Plutonium
94Pu
Sm

Pu

(Uqq)
neptuniumplutoniumamericium
Ìhànsójú
silvery white
Two shiny pellets about 3 cm in diameter
Àwọn ìdámọ́ wíwọ́pọ̀
Orúkọ, àmì-ìdámọ́, nọ́mbà plutonium, Pu, 94
Ìpèlóhùn /pluːˈtoʊniəm/
ploo-TOE-nee-əm
Ẹ̀ka ẹ́límẹ̀nti actinide
Ẹgbẹ́, àsìkò, àdìpò n/a7, 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
Plutonium has a monoclinic crystal structure
Magnetic ordering paramagnetic[1]
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[2]
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
· r

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


Itokasi[àtúnṣe | àtúnṣe àmìọ̀rọ̀]

  1. Magnetic susceptibility of the elements and inorganic compounds, in Handbook of Chemistry and Physics 81st edition, CRC press.
  2. BNL-NCS 51363, vol. II (1981), pages 835ff