उनुनक्टियम

स्वतन्त्र विश्वकोश, नेपाली विकिपिडियाबाट
यसमा जानुहोस्: परिचालन, खोज्नुहोस्
Ununoctium,  118Uuo
सामान्य गुणहरू
नाम, संकेत ununoctium, Uuo
उच्चारण /n.nˈɒktiəm/
oon-oon-ok-tee-əm
बैकल्पिक नामs element 118, eka-radon
पेरियोडिक टेबलमा Ununoctium
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)
Ununtrium (unknown chemical properties)
Flerovium (post-transition metal)
Ununpentium (unknown chemical properties)
Livermorium (unknown chemical properties)
Ununseptium (unknown chemical properties)
Ununoctium (unknown chemical properties)
Rn

Uuo

(Usb)
ununseptiumununoctiumununennium
आणविक संख्या 118
मानक आणविक भार [294]
तत्वको श्रेणी unknown, but probably a noble gas
समुह, ब्लक group 18, p-block
पेरियोड period 7
इलेक्ट्रोन वितरण [Rn] 5f14 6d10 7s2 7p6 (predicted)[१][२]
प्रति सेल 2, 8, 18, 32, 32, 18, 8 (predicted)
भौतिक गुणहरू
अवस्था solid (predicted)[१]
उम्लने विन्दु 350±30 K ​(80±30 °C, ​170±50 °F) (extrapolated)[१]
Density liquid, at m.p. 4.9–5.1 g·cm−3 (predicted)[३]
क्रिटिकल विन्दु 439 K, 6.8 MPa (extrapolated)[४]
फ्युजनको ताप 23.5 kJ·mol−1 (extrapolated)[४]
Heat of vaporization 19.4 kJ·mol−1 (extrapolated)[४]
आणविक गुणहरू
अक्सिडेसन अवस्थाहरू −1,[२] 0, +1,[५] +2,[६] +4,[६] +6[२](predicted)
Ionization energies 1st: 839.4 kJ·mol−1 (predicted)[२]
2nd: 1563.1 kJ·mol−1 (predicted)[७]
कोभ्यालेन्ट अर्धव्यास 157 pm (predicted)[८]
विविध
CAS Registry Number 54144-19-3[९]
इतिहास
नामकरण IUPAC systematic element name
खोज Joint Institute for Nuclear Research and Lawrence Livermore National Laboratory (2002)
Most stable isotopes
Main article: Isotopes of ununoctium
iso NA half-life DM DE (MeV) DP

ढाँचा:Infobox element/isotopes decay2

· सन्दर्भ सामाग्रीहरू

उनुनक्टियम एक तत्व हो। यसको परमाणु क्रमांक ११८ हो।

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भौतिक गुणहरू[सम्पादन गर्ने]

यो पनि हेर्नुहोस्[सम्पादन गर्ने]


  1. १.० १.१ १.२ Nash, Clinton S. (२००५), "Atomic and Molecular Properties of Elements 112, 114, and 118", Journal of Physical Chemistry A 109 (15): 3493–3500, डिओआई:10.1021/jp050736o, पिएमआइडी 16833687 
  2. २.० २.१ २.२ २.३ Haire, Richard G. (2006). "Transactinides and the future elements". In Morss; Edelstein, Norman M.; Fuger, Jean. The Chemistry of the Actinide and Transactinide Elements (3rd संस्करण). Dordrecht, The Netherlands: Springer Science+Business Media. प॰ 1724. ISBN 1-4020-3555-1 . 
  3. Bonchev, Danail; Kamenska, Verginia (१९८१), "Predicting the Properties of the 113–120 Transactinide Elements", Journal of Physical Chemistry (American Chemical Society) 85 (9): 1177–1186, डिओआई:10.1021/j150609a021 
  4. ४.० ४.१ ४.२ Eichler, R.; Eichler, B., Thermochemical Properties of the Elements Rn, 112, 114, and 118, Paul Scherrer Institut, अभिगमन मिति २०१०-१०-२३ 
  5. Han, Young-Kyu; Bae, Cheolbeom; Son, Sang-Kil; Lee, Yoon Sup (२०००), "Spin–orbit effects on the transactinide p-block element monohydrides MH (M=element 113–118)", Journal of Chemical Physics 112 (6): २६८४, डिओआई:10.1063/1.480842, बिबकोड:2000JChPh.112.2684H 
  6. ६.० ६.१ Kaldor, Uzi; Wilson, Stephen (2003). Theoretical Chemistry and Physics of Heavy and Superheavy Elements. Springer. प॰ 105. ISBN 140201371X . http://books.google.com/books?id=0xcAM5BzS-wC&printsec=frontcover&dq=element+118+properties#PPA105,M1. अन्तिम पहुँच मिति: 2008-01-18. 
  7. Fricke, Burkhard (१९७५), "Superheavy elements: a prediction of their chemical and physical properties", Recent Impact of Physics on Inorganic Chemistry 21: 89–144, डिओआई:10.1007/BFb0116498, अभिगमन मिति ४ अक्टोबर २०१३ 
  8. Chemical Data. Ununoctium - Uuo, Royal Chemical Society
  9. "Ununoctium", WebElements Periodic Table, अभिगमन मिति २००७-१२-०९