آکټېنيوم

د ويکيپېډيا، وړیا پوهنغونډ له خوا
و اصلی برخی ته ورشی د پلټنې ځای ته ورټوپ کړی
Actinium,  89Ac
عمومي خواص
Pronunciation /ækˈtɪniəm/
ak-TIN-nee-əm
Appearancesilvery-white, glowing with an eerie blue light;[۱] sometimes with a golden cast[۲]
Actinium 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)
La

Ac

(Ubu)
radiumactiniumthorium
اټومي شمیره (Z)89
گروپ, پیریودgroup 3, period 7
بلاکd-block
Element category  actinide, sometimes considered a transition metal
Mass number227 (most stable isotope)
Electron configuration[Rn] 6d1 7s2
Electrons per shell
2, 8, 18, 32, 18, 9, 2
فزیکي خواص
حالت (at STP)جامد
دويلې کيدو ټکى1500 K ​(1227 °C, ​2240 °F) (estimated)[۲]
يشنا ټکی3500±300 K ​(3200±300 °C, ​5800±500 °F) (extrapolated)[۲]
Density near r.t.10 g/cm3
Heat of fusion14 kJ/mol
Heat of vaporization400 kJ/mol
Molar heat capacity27.2 J/(mol·K)
اټومي خواص
Oxidation states3, 2 ​(a neutral oxide)
ElectronegativityPauling scale: 1.1
Ionization energies
  • 1st: 499 kJ/mol
  • 2nd: 1170 kJ/mol
  • 3rd: 1900 kJ/mol
  • (more)
Covalent radius215 pm
Miscellanea
Crystal structureface-centered cubic (fcc)
Face-centered cubic crystal structure for actinium
د تودوخې تېرېدنه12 W/(m·K)
CAS Number7440-34-8
History
Discovery and first isolationFriedrich Oskar Giesel (1902)
Named byAndré-Louis Debierne (1899)
Main isotopes of actinium
آيسو­ټوپ Abun­dance نیم ژوند (t1/2) Decay mode Pro­duct
225Ac trace 10 d α 221Fr

کينډۍ:Infobox element/isotopes decay3 کينډۍ:Infobox element/isotopes decay2

| references | in Wikidata

آکټېنيوم (په انگرېزي: Actinium) له کیمیاوي عناصرو څخه یو دی چې په تناوبي جدول کې د Ac سمبول او ۸۹ اتمي شمېرې په وسیله ښودل شوی دی.

مشخصات[سمول]

تاریخچه[سمول]

مرکبات[سمول]

د استعمال ځایونه[سمول]

سرچينې[سمول]

  1. Wall, Greg (8 September 2003). "C&EN: It's Elemental: The Periodic Table - Actinium". C&EN: It's Elemental: The Periodic Table. Chemical and Engineering News. د لاسرسي‌نېټه ۰۲ جون ۲۰۱۱. الوسيط |CitationClass= تم تجاهله (مساعدة)
  2. ۲٫۰ ۲٫۱ ۲٫۲ Kirby, Harold W.; Morss, Lester R. (2006). "Actinium". The Chemistry of the Actinide and Transactinide Elements. د کتاب پاڼې 18. doi:10.1007/1-4020-3598-5_2. د کتاب نړيواله کره شمېره 978-1-4020-3555-5. الوسيط |CitationClass= تم تجاهله (مساعدة)

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