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Berkelyo

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Berkelium
97Bk
Tb

Bk

(Uqe)
Hydrogen (other non-metal)
Helium (noble gas)
Lithium (alkali metal)
Beryllium (alkaline earth metal)
Boron (metalloid)
Carbon (other non-metal)
Nitrogen (other non-metal)
Oxygen (other non-metal)
Fluorine (halogen)
Neon (noble gas)
Sodium (alkali metal)
Magnesium (alkaline earth metal)
Aluminium (post-transition metal)
Silicon (metalloid)
Phosphorus (other non-metal)
Sulfur (other non-metal)
Chlorine (halogen)
Argon (noble gas)
Potassium (alkali metal)
Calcium (alkaline earth metal)
Scandium (transition metal)
Titanium (transition metal)
Vanadium (transition metal)
Chromium (transition metal)
Manganese (transition metal)
Iron (transition metal)
Cobalt (transition metal)
Nickel (transition metal)
Copper (transition metal)
Zinc (transition metal)
Gallium (post-transition metal)
Germanium (metalloid)
Arsenic (metalloid)
Selenium (other non-metal)
Bromine (halogen)
Krypton (noble gas)
Rubidium (alkali metal)
Strontium (alkaline earth metal)
Yttrium (transition metal)
Zirconium (transition metal)
Niobium (transition metal)
Molybdenum (transition metal)
Technetium (transition metal)
Ruthenium (transition metal)
Rhodium (transition metal)
Palladium (transition metal)
Silver (transition metal)
Cadmium (transition metal)
Indium (post-transition metal)
Tin (post-transition metal)
Antimony (metalloid)
Tellurium (metalloid)
Iodine (halogen)
Xenon (noble gas)
Caesium (alkali metal)
Barium (alkaline earth metal)
Lanthanum (lanthanoid)
Cerium (lanthanoid)
Praseodymium (lanthanoid)
Neodymium (lanthanoid)
Promethium (lanthanoid)
Samarium (lanthanoid)
Europium (lanthanoid)
Gadolinium (lanthanoid)
Terbium (lanthanoid)
Dysprosium (lanthanoid)
Holmium (lanthanoid)
Erbium (lanthanoid)
Thulium (lanthanoid)
Ytterbium (lanthanoid)
Lutetium (lanthanoid)
Hafnium (transition metal)
Tantalum (transition metal)
Tungsten (transition metal)
Rhenium (transition metal)
Osmium (transition metal)
Iridium (transition metal)
Platinum (transition metal)
Gold (transition metal)
Mercury (transition metal)
Thallium (post-transition metal)
Lead (post-transition metal)
Bismuth (post-transition metal)
Polonium (post-transition metal)
Astatine (halogen)
Radon (noble gas)
Francium (alkali metal)
Radium (alkaline earth metal)
Actinium (actinoid)
Thorium (actinoid)
Protactinium (actinoid)
Uranium (actinoid)
Neptunium (actinoid)
Plutonium (actinoid)
Americium (actinoid)
Curium (actinoid)
Berkelium (actinoid)
Californium (actinoid)
Einsteinium (actinoid)
Fermium (actinoid)
Mendelevium (actinoid)
Nobelium (actinoid)
Lawrencium (actinoid)
Rutherfordium (transition metal)
Dubnium (transition metal)
Seaborgium (transition metal)
Bohrium (transition metal)
Hassium (transition metal)
Meitnerium (unknown chemical properties)
Darmstadtium (unknown chemical properties)
Roentgenium (unknown chemical properties)
Copernicium (transition metal)
Ununtrium (unknown chemical properties)
Flerovium (unknown chemical properties)
Ununpentium (unknown chemical properties)
Livermorium (unknown chemical properties)
Ununseptium (unknown chemical properties)
Ununoctium (unknown chemical properties)
curiumberkeliumcalifornium
Panagway
silvery
Kinatibuk-ang mga kinaiya
Ngalan, simbolo, kaiphan berkelium, Bk, 97
Paglitok /bərˈkli.əm/
[[Help:Pronunciation respelling key|bər-Plantilya:Smallcaps all-lee-əm]]
less commonly
/ˈbɜːrkli.əm/
[[Help:Pronunciation respelling key|Plantilya:Smallcaps all-lee-əm]]
Kategoriyang elemento aktinido
Group, period, block n/a7, f
Gibug-aton sa atomo (247)
Kontorno sa elektron [Rn] 5f9 7s2
2, 8, 18, 32, 27, 8, 2
Electron shells of berkelium (2, 8, 18, 32, 27, 8, 2)
Electron shells of berkelium (2, 8, 18, 32, 27, 8, 2)
History
Pagkadiskobre Lawrence Berkeley National Laboratory (1949)
Physical properties
Phase magahi
Density (near r.t.) (alpha) 14.78 g·cm−3
Density (near r.t.) (beta) 13.25 g·cm−3
Melting point (beta) 1259 K, 986 °C, 1807 °F
Atomic properties
Oxidation states 3, 4
Electronegativity 1.3 (Pauling scale)
Ionization energies 1st: 601 kJ·mol−1
Atomic radius 170 pm
Miscellanea
Crystal structure hexagonal close-packed
Berkelium has a hexagonal close-packed crystal structure
Magnetic ordering paramagnetic
Thermal conductivity 10 W·m−1·K−1
CAS registry number 7440-40-6
Most stable isotopes
Main article: Isotopes of berkelium
iso NA half-life DM DE (MeV) DP
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 trace 330 d α 5.526 245Am
SF - -
β 0.125 249Cf
· r

Ang berkelyo (Iningles berkelium) mao ang elementong kimiko sa talaang peryodiko nga may simbolo nga Bk ug kaiphan nga atomik 97. Ang berkelyo mao ang aktinido.

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