Àdàkọ:Infobox einsteinium

Einsteinium, ₉₉Es

Einsteinium
Pípè	/aɪnˈstaɪniəm/ ​(eyen-STY-nee-əm)
Ìhànsójú	silver-colored
nọ́mbà ìsújọ	[252]
Einsteinium 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 Ho ↑ Es ↓ (Uqe) californium ← einsteinium → fermium
Nọ́mbà átọ̀mù (Z)	99
Ẹgbẹ́	group n/a
Àyè	àyè 7
Àdìpọ̀	Àdìpọ̀-f
Ẹ̀ka ẹ́límẹ́ntì	Actinide
Ìtò ẹ̀lẹ́ktrọ́nù	[Rn] 5f11 7s2
Iye ẹ̀lẹ́ktrọ́nù lórí ìpele kọ̀ọ̀kan	2, 8, 18, 32, 29, 8, 2
Àwọn ohun ìní ara
Ìfarahàn at STP	solid
Ìgbà ìyọ́	1133 K ​(860 °C, ​1580 °F)
Kíki (near r.t.)	8.84 g/cm3
Atomic properties
Oxidation states	+2, +3, +4
Electronegativity	Pauling scale: 1.3
Color lines in a spectral range Spectral lines of einsteinium
Other properties
Natural occurrence	synthetic
Magnetic ordering	no data
CAS Number	7429-92-7
Main isotopes of einsteinium
Iso­tope Abun­dance Half-life (t1/2) Decay mode Pro­duct 252Es syn 471.7 d α 6.760 248Bk ε 1.260 252Cf β− 0.480 252Fm 253Es syn 20.47 d SF - - α 6.739 249Bk 254Es syn 275.7 d ε 0.654 254Cf β− 1.090 254Fm α 6.628 250Bk 255Es syn 39.8 d β− 0.288 255Fm α 6.436 251Bk SF - -

References

This reference list does not appear in the article.