Fẹ́rmíọ̀m

Fẹ́rímíọ̀m

Fermium, ₁₀₀Fm

Fermium
Pípè	/ˈfɜːrmiəm/ ​(FUR-mee-əm)
Ìhànsójú	unknown, probably silvery, white or metallic gray
nọ́mbà ìsújọ	[257]
Fermium 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 Er ↑ Fm ↓ (Upn) einsteinium ← fermium → mendelevium
Nọ́mbà átọ̀mù (Z)	100
Ẹgbẹ́	group n/a
Àyè	àyè 7
Àdìpọ̀	Àdìpọ̀-f
Ẹ̀ka ẹ́límẹ́ntì	Actinide
Ìtò ẹ̀lẹ́ktrọ́nù	[Rn] 5f12 7s2
Iye ẹ̀lẹ́ktrọ́nù lórí ìpele kọ̀ọ̀kan	2, 8, 18, 32, 30, 8, 2
Àwọn ohun ìní ara
Ìfarahàn at STP	solid
Ìgbà ìyọ́	1800 K ​(1527 °C, ​2781 °F)
Atomic properties
Oxidation states	+2, +3
Electronegativity	Pauling scale: 1.3
Other properties
Natural occurrence	synthetic
CAS Number	7440-72-4
Main isotopes of fermium
Iso­tope Abun­dance Half-life (t1/2) Decay mode Pro­duct 252Fm syn 25.39 h SF - - α 7.153 248Cf 253Fm syn 3 d ε 0.333 253Es α 7.197 249Cf 255Fm syn 20.07 h SF - - α 7.241 251Cf 257Fm syn 100.5 d α 6.864 253Cf SF - -

Fẹ́rmíọ̀m tabi Fermium (pípè /ˈfɜrmiəm/, FER-mee-əm) je apilese aladipapo pelu ami-idamo Fm ati nomba atomu 100. Gege bi apilese teyinuraniom onide alagbraradio giga ti eseese aktinidi, fermium nje dida nipa ddigbolu plutonium pelu awon neutroni o si je sisoloruko fun Enrico Fermi onimofisiyiki inuatomu. Fermium ni apilese teyinuraniom kejo.