ଛାଞ୍ଚ:Infobox Roentgenium

ଉଇକିପିଡ଼ିଆ ରୁ
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Roentgenium,  111Rg
ସାଧାରଣ ଗୁଣ
ନାମ, ପ୍ରତୀକroentgenium, Rg
Appearancesilvery (predicted)[୧]
ଉଚ୍ଚାରଣ/rʌntˈɡɛniəm/ (About this soundlisten)
or /rɛntˈɡɛniəm/
Roentgenium in the periodic table
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)


ପରମାଣୁ କ୍ରମାଙ୍କ (Z)111
ଶ୍ରେଣୀ, ବ୍ଳକgroup 11, d-block
ପର୍ଯ୍ୟାୟperiod 7
ମୌଳିକ ପ୍ରକାରunknown, but probably a transition metal
ମାନକ ପରମାଣବିକ ଓଜନ (Ar)[281]
ଇଲେକ୍‌ଟ୍ରୋନ୍ ବିନ୍ୟାସ[Rn] 5f14 6d9 7s2
per shell
2, 8, 18, 32, 32, 17, 2
ଭୌତିକ ଗୁଣ
ଅବସ୍ଥାsolid (predicted)[୩]
Density near r.t.28.7 (predicted)[୨] g/cm3
Atomic properties
Oxidation states5, 3, 1, −1 (predicted)[୨]
Atomic radiusempirical: 114 (predicted)[୨] pm
Covalent radius121 (estimated)[୪] pm
CAS Number54386-24-2
ଆବିଷ୍କାରGesellschaft für Schwerionenforschung (1994)
Most stable isotopes of roentgenium
iso NA half-life DM DE (MeV) DP
282Rg syn 0.5 s α 9.00 278Mt
281Rg syn 26 s SF
280Rg syn 3.6 s α 9.75 276Mt
279Rg syn 0.17 s α 10.37 275Mt
only isotopes with half-lives over 0.1 seconds are included here
| references


  1. ୧.୦ ୧.୧ Turler, A. (2004). "Gas Phase Chemistry of Superheavy Elements" (PDF). Journal of Nuclear and Radiochemical Sciences. 5 (2): R19–R25.
  2. ୨.୦ ୨.୧ ୨.୨ ୨.୩ Haire, Richard G. (2006). "Transactinides and the future elements". In Morss; Edelstein, Norman M.; Fuger, Jean (eds.). The Chemistry of the Actinide and Transactinide Elements (3rd ed.). Dordrecht, The Netherlands: Springer Science+Business Media. ISBN 1-4020-3555-1.
  3. Östlin, A.; Vitos, L. (2011). "First-principles calculation of the structural stability of 6d transition metals". Physical Review B. 84 (11). Bibcode:2011PhRvB..84k3104O. doi:10.1103/PhysRevB.84.113104.
  4. Chemical Data. Roentgenium - Rg, Royal Chemical Society