Bẹ́rkẹ́líọ̀m

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Berkelium, 97Bk
Berkelium
Pípè
Ìhànsójúsilvery
nọ́mbà ìsújọ[247]
Berkelium 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
Tb

Bk

(Uqs)
curiumberkeliumcalifornium
Nọ́mbà átọ̀mù (Z)97
Ẹgbẹ́group n/a
Àyèàyè 7
Àdìpọ̀Àdìpọ̀-f
Ẹ̀ka ẹ́límẹ́ntì  Actinide
Ìtò ẹ̀lẹ́ktrọ́nù[Rn] 5f9 7s2
Iye ẹ̀lẹ́ktrọ́nù lórí ìpele kọ̀ọ̀kan2, 8, 18, 32, 27, 8, 2
Àwọn ohun ìní ara
Ìfarahàn at STPsolid
Ìgbà ìyọ́(beta) 1259 K ​(986 °C, ​1807 °F)
Kíki (near r.t.)(alpha) 14.78 g/cm3
(beta) 13.25 g/cm3
Atomic properties
Oxidation states+2, +3, +4, +5[1]
ElectronegativityPauling scale: 1.3
Atomic radiusempirical: 170 pm
Color lines in a spectral range
Spectral lines of berkelium
Other properties
Natural occurrencesynthetic
Crystal structurehexagonal close-packed (hcp)
Hexagonal close-packed crystal structure for berkelium
Thermal conductivity10 W/(m·K)
Magnetic orderingno data
CAS Number7440-40-6
Main isotopes of berkelium
Iso­tope Abun­dance Half-life (t1/2) Decay mode Pro­duct
245Bk syn 4.94 d ε 0.810 245Cm
α 6.455 241Am
246Bk syn 1.8 d α 6.070 242Am
ε 1.350 246Cm
247Bk syn 1380 y α 5.889 243Am
248Bk syn >9 y α 5.803 244Am
249Bk syn 330 d α 5.526 245Am
SF - -
β 0.125 249Cf
Àdàkọ:Category-inline
| references

Bẹ́rkẹ́líọ̀m tabi Berkelium je apilese alasopapo to ni ami-idamo Bk ati nomba atomu 97. Gege bi apilese onide alagbararadio ninu eseese aktinidi, berkelium koko je sisopapo nipa didigbolu americium pelu awon igbonwo alpha (awon ioni helium), o si je sisoloruko fun Yunifasiti Kalifornia ni Berkeley. Berkelium ni apilese teyinuraniom karun to je sisopapo.


Itokasi[àtúnṣe | àtúnṣe àmìọ̀rọ̀]

  1. Kovács, Attila; Dau, Phuong D.; Marçalo, Joaquim; Gibson, John K. (2018). "Pentavalent Curium, Berkelium, and Californium in Nitrate Complexes: Extending Actinide Chemistry and Oxidation States". Inorg. Chem. (American Chemical Society) 57 (15): 9453–9467. doi:10.1021/acs.inorgchem.8b01450. PMID 30040397.