Plùtòníọ̀m

Plutonium, ₉₄Pu

Plutonium
Pípè	/pluːˈtoʊniəm/ ​(ploo-TOH-nee-əm)
Ìhànsójú	silvery white
nọ́mbà ìsújọ	[244]
Plutonium ní orí tábìlì àyè
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 Iron Cobalt Nickel Copper Zinc Gallium Germanium Arsenic Selenium Bromine Krypton Rubidium Strontium Yttrium Zirconium Niobium Molybdenum Technetium Ruthenium Rhodium Palladium Silver 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 Gold Mercury (element) Thallium Lead 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 Nihonium Flerovium Moscovium Livermorium Tennessine Oganesson Sm ↑ Pu ↓ (Uqq) neptunium ← plutonium → americium
Nọ́mbà átọ̀mù (Z)	94
Ẹgbẹ́	group n/a
Àyè	àyè 7
Àdìpọ̀	Àdìpọ̀-f
Ẹ̀ka ẹ́límẹ́ntì	Actinide
Ìtò ẹ̀lẹ́ktrọ́nù	[Rn] 5f6 7s2
Iye ẹ̀lẹ́ktrọ́nù lórí ìpele kọ̀ọ̀kan	2, 8, 18, 32, 24, 8, 2
Àwọn ohun ìní ara
Ìfarahàn at STP	solid
Ìgbà ìyọ́	912.5 K ​(639.4 °C, ​1182.9 °F)
Ígbà ìhó	3505 K ​(3228 °C, ​5842 °F)
Kíki (near r.t.)	19.816 g/cm3
when liquid (at m.p.)	16.63 g/cm3
Heat of fusion	2.82 kJ/mol
Heat of	333.5 kJ/mol
Molar heat capacity	35.5 J/(mol·K)
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	+2, +3, +4, +5, +6, +7 Àdàkọ:Infobox element/symbol-to-oxidation-state/comment
Electronegativity	Pauling scale: 1.28
Atomic radius	empirical: 159 pm
Covalent radius	187±1 pm
Color lines in a spectral range Spectral lines of plutonium
Other properties
Natural occurrence	from decay
Crystal structure	​monoclinic
Speed of sound	2260 m/s
Thermal expansion	46.7 µm/(m·K) (at 25 °C)
Thermal conductivity	6.74 W/(m·K)
Electrical resistivity	1.460 µ Ω·m (at 0 °C)
Magnetic ordering	paramagnetic
Young's modulus	96 GPa
Shear modulus	43 GPa
Poisson ratio	0.21
CAS Number	7440-07-5
Main isotopes of plutonium
Iso­tope Abun­dance Half-life (t1/2) Decay mode Pro­duct 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.