Rutherfordium

Rutherfordium, ₁₀₄Rf

Rutherfordium
Pípè	/ˌrʌðərˈfɔːrdiəm/ ​(RUDH-ər-FOR-dee-əm)
Ìhànsójú	unknown
nọ́mbà ìsújọ	[267]
Rutherfordium 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 Hf ↑ Rf ↓ (Upq) lawrencium ← rutherfordium → dubnium
Nọ́mbà átọ̀mù (Z)	104
Ẹgbẹ́	group 4
Àyè	àyè 7
Àdìpọ̀	Àdìpọ̀-d
Ẹ̀ka ẹ́límẹ́ntì	Transition metal
Ìtò ẹ̀lẹ́ktrọ́nù	[Rn] 5f14 6d2 7s2[1][2]
Iye ẹ̀lẹ́ktrọ́nù lórí ìpele kọ̀ọ̀kan	2, 8, 18, 32, 32, 10, 2 (predicted)
Àwọn ohun ìní ara
Ìfarahàn at STP	Àdàkọ:Infobox element/symbol-to-phase
Atomic properties
Oxidation states	(+2), (+3), +4[1][2][3] Àdàkọ:Infobox element/symbol-to-oxidation-state/comment
Other properties
Natural occurrence	synthetic
CAS Number	53850-36-5
Main isotopes of rutherfordium
Iso­tope Abun­dance Half-life (t1/2) Decay mode Pro­duct 267Rf syn 1.3 h SF 263aRf? syn ~15 m SF α 7.90 ? 263bRf syn 8 s SF 262Rf syn 210 ms SF 261aRf syn 1.1 m α 8.28 257No 261bRf syn 3.0 s 91% SF 9% α 8.51 257No 260Rf syn 22.2 ms SF 259Rf syn 2.5 s ~85% α 8.87,8.77 255No ~15% EC (SF?) 259Lr 258Rf syn 14.7 ms 31% α 9.05,8.96 254No 69% SF 257mRf syn 4.0 s α 9.02,8.97 253No 257gRf syn 3.5 s 89% α 8.90,8.78,8.52,8.28 253No 11% ε 257Lr 256gRf syn 6.2 ms 99.7% SF 0.3% α 8.79 252No 256m1Rf syn 25 µs γ 256gRf 256m2Rf syn 17 µs γ 256m1Rf 256m3Rf syn 27 µs γ 256m2Rf 255Rf syn 1.8 s ~50% α 8.81,8.77,8.74,8.71 251No ~50% SF 254Rf syn 22 µs SF 253Rf syn 48 µs SF
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