بېرکېليوم

د ويکيپېډيا، وړیا پوهنغونډ له خوا
(له Berkelium نه مخ گرځېدلی)
و اصلی برخی ته ورشی د پلټنې ځای ته ورټوپ کړی
Berkelium,  97Bk
Berkelium metal.jpg
عمومي خواص
Pronunciation /bərˈkli.əm/; less commonly: /ˈbɜrkli.əm/
bər-KEE-lee-əm; BERK-lee-əm
Appearance silvery
Berkelium په دوراني جدول کې
Hydrogen (diatomic nonmetal)
Helium (noble gas)
Lithium (alkali metal)
Beryllium (alkaline earth metal)
Boron (metalloid)
Carbon (polyatomic nonmetal)
Nitrogen (diatomic nonmetal)
Oxygen (diatomic nonmetal)
Fluorine (diatomic nonmetal)
Neon (noble gas)
Sodium (alkali metal)
Magnesium (alkaline earth metal)
Aluminium (post-transition metal)
Silicon (metalloid)
Phosphorus (polyatomic nonmetal)
Sulfur (polyatomic nonmetal)
Chlorine (diatomic nonmetal)
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 (polyatomic nonmetal)
Bromine (diatomic nonmetal)
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 (diatomic nonmetal)
Xenon (noble gas)
Caesium (alkali metal)
Barium (alkaline earth metal)
Lanthanum (lanthanide)
Cerium (lanthanide)
Praseodymium (lanthanide)
Neodymium (lanthanide)
Promethium (lanthanide)
Samarium (lanthanide)
Europium (lanthanide)
Gadolinium (lanthanide)
Terbium (lanthanide)
Dysprosium (lanthanide)
Holmium (lanthanide)
Erbium (lanthanide)
Thulium (lanthanide)
Ytterbium (lanthanide)
Lutetium (lanthanide)
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 (metalloid)
Radon (noble gas)
Francium (alkali metal)
Radium (alkaline earth metal)
Actinium (actinide)
Thorium (actinide)
Protactinium (actinide)
Uranium (actinide)
Neptunium (actinide)
Plutonium (actinide)
Americium (actinide)
Curium (actinide)
Berkelium (actinide)
Californium (actinide)
Einsteinium (actinide)
Fermium (actinide)
Mendelevium (actinide)
Nobelium (actinide)
Lawrencium (actinide)
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)
Nihonium (unknown chemical properties)
Flerovium (unknown chemical properties)
Moscovium (unknown chemical properties)
Livermorium (unknown chemical properties)
Tennessine (unknown chemical properties)
Oganesson (unknown chemical properties)
Tb

Bk

(Upu)
curiumberkeliumcalifornium
اټومي شمیره (Z) 97
گروپ, پیریود group n/a, period 7
بلاک f-block
Element category   actinide
Mass number 247 (most stable isotope)
Electron configuration [Rn] 5f9 7s2
Electrons per shell
2, 8, 18, 32, 27, 8, 2
فزیکي خواص
حالت (at STP) جامد
دويلې کيدو ټکى beta: 1259 K ​(986 °C, ​1807 °F)
يشنا ټکی beta: 2900 K ​(2627 °C, ​4760 °F)
Density near r.t. alpha: 14.78 g/cm3
beta: 13.25 g/cm3
Heat of fusion 7.92 kJ/mol (calculated)
اټومي خواص
Oxidation states 2, 3, 4
Electronegativity Pauling scale: 1.3
Ionization energies
  • 1st: 601 kJ/mol
Atomic radius empirical: 170 pm
Miscellanea
Crystal structuredouble hexagonal close-packed (dhcp)
Double hexagonal close packed crystal structure for berkelium
د تودوخې تېرېدنه 10 W/(m·K)
Magnetic ordering paramagnetic
CAS Number 7440-40-6
History
Naming after Berkeley, California, where it was discovered
Discovery Lawrence Berkeley National Laboratory (1949)
Main isotopes of berkelium
آيسو­ټوپ Abun­dance نیم ژوند (t1/2) Decay mode Pro­duct

کينډۍ:Infobox element/isotopes decay2 کينډۍ:Infobox element/isotopes decay2

247Bk syn 1380 y α 243Am
248Bk syn >300 y[۱] α 244Am

کينډۍ:Infobox element/isotopes decay3

| references | in Wikidata

بېرکېليوم (په انگرېزي: Berkelium) له کیمیاوي عناصرو څخه یو دی چې په تناوبي جدول کې د Bk سمبول او ۹v اتمي شمېرې په وسیله ښودل شوی دی.

مشخصات[سمول]

تاریخچه[سمول]

مرکبات[سمول]

د استعمال ځایونه[سمول]

سرچينې[سمول]

  1. Milsted, J.; Friedman, A. M.; Stevens, C. M. (1965). [اصطلاحي تېروتنه: د ناپېژندلې ليکنښې لوښه "۱". "The alpha half-life of berkelium-247; a new long-lived isomer of berkelium-248"]. Nuclear Physics 71 (2): 299. doi:10.1016/0029-5582(65)90719-4. 

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