Roentgenium, 111Rg
Roentgenium
Pípè
Ìhànsójúunknown
nọ́mbà ìsújọ[282]
Roentgenium ní orí tábìlì àyè
Hydrogen Helium
Lithium Beryllium Boron Carbon Nitrogen Oxygen Fluorine Neon
Sodium Magnesium Aluminium Silicon Phosphorus Sulfur Chlorine Argon
Potassium Calcium Scandium Titanium Vanadium Chromium Manganese Iron Cobalt Nickel Copper Zinc Gallium Germanium Arsenic Selenium Bromine Krypton
Rubidium Strontium Yttrium Zirconium Niobium Molybdenum Technetium Ruthenium Rhodium Palladium Silver Cadmium Indium Tin Antimony Tellurium Iodine Xenon
Caesium Barium Lanthanum Cerium Praseodymium Neodymium Promethium Samarium Europium Gadolinium Terbium Dysprosium Holmium Erbium Thulium Ytterbium Lutetium Hafnium Tantalum Tungsten Rhenium Osmium Iridium Platinum Gold Mercury (element) Thallium Lead Bismuth Polonium Astatine Radon
Francium Radium Actinium Thorium Protactinium Uranium Neptunium Plutonium Americium Curium Berkelium Californium Einsteinium Fermium Mendelevium Nobelium Lawrencium Rutherfordium Dubnium Seaborgium Bohrium Hassium Meitnerium Darmstadtium Roentgenium Copernicium Nihonium Flerovium Moscovium Livermorium Tennessine Oganesson
Au

Rg

(Uhu)
darmstadtiumroentgeniumcopernicium
Nọ́mbà átọ̀mù (Z)111
Ẹgbẹ́group 11
Àyèàyè 7
Àdìpọ̀Àdìpọ̀-d
Ẹ̀ka ẹ́límẹ́ntì  Unknown chemical properties
Ìtò ẹ̀lẹ́ktrọ́nù[Rn] 5f14 6d9 7s2 (predicted)[1][2]
Iye ẹ̀lẹ́ktrọ́nù lórí ìpele kọ̀ọ̀kan2, 8, 18, 32, 32, 18, 1
Àwọn ohun ìní ara
Ìfarahàn at STPsolid Àdàkọ:Cnpresumably
Atomic properties
Oxidation states(−1), (+1), (+3), (+5), (+7) Àdàkọ:Infobox element/symbol-to-oxidation-state/comment[2][3][4]
Other properties
Natural occurrencesynthetic
CAS Number54386-24-2
Main isotopes of roentgenium
Iso­tope Abun­dance Half-life (t1/2) Decay mode Pro­duct
280Rg syn 3.6 s α 9.75 276Mt
279Rg syn 170 ms α 10.37 275Mt
278Rg syn 4.2 ms α 10.69 274Mt
274Rg syn 15 ms α 11.23 270Mt
272Rg syn 1.6 ms α 11.02,10.82 268Mt
Àdàkọ:Category-inline
| references


  1. Turler, A. (2004). "Gas Phase Chemistry of Superheavy Elements". Journal of Nuclear and Radiochemical Sciences 5 (2): R19–R25. doi:10.14494/jnrs2000.5.R19. http://wwwsoc.nii.ac.jp/jnrs/paper/JN52/j052Turler.pdf. 
  2. 2.0 2.1 Hoffman, Darleane C.; Lee, Diana M.; Pershina, Valeria (2006). "Transactinides and the future elements". In Morss; Edelstein, Norman M.; Fuger, Jean. The Chemistry of the Actinide and Transactinide Elements (3rd ed.). Dordrecht, The Netherlands: Springer Science+Business Media. ISBN 978-1-4020-3555-5. 
  3. Àṣìṣe ìtọ́kasí: Invalid <ref> tag; no text was provided for refs named BFricke
  4. Conradie, Jeanet; Ghosh, Abhik (15 June 2019). "Theoretical Search for the Highest Valence States of the Coinage Metals: Roentgenium Heptafluoride May Exist". Inorganic Chemistry 2019 (58): 8735–8738. doi:10.1021/acs.inorgchem.9b01139.