Rutherfordium,  104Rf
ସାଧାରଣ ଗୁଣ
ନାମ, ପ୍ରତୀକrutherfordium, Rf
Appearanceunknown
ଉଚ୍ଚାରଣ/ˌrʌðərˈfɔːrdiəm/
RUDH-ər-FOR-dee-əm
Rutherfordium 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)
Hf

Rf

(Uph)
lawrenciumrutherfordiumdubnium
ପରମାଣୁ କ୍ରମାଙ୍କ (Z)104
ଶ୍ରେଣୀ, ବ୍ଳକgroup 4, d-block
ପର୍ଯ୍ୟାୟperiod 7
ମୌଳିକ ପ୍ରକାର  transition metal
ମାନକ ପରମାଣବିକ ଓଜନ (Ar)[267]
ଇଲେକ୍‌ଟ୍ରୋନ୍ ବିନ୍ୟାସ[Rn] 5f14 6d2 7s2[][]
per shell
2, 8, 18, 32, 32, 10, 2
ଭୌତିକ ଗୁଣ
ଅବସ୍ଥାsolid (predicted)[][]
ଗଳନାଙ୍କ2400 K ​(2100 °C, ​3800 (estimated)[][] °F)
ସ୍ଫୁଟନାଙ୍କ5800 K ​(5500 °C, ​9900 (estimated)[][] °F)
Density near r.t.23 (estimated)[][] g/cm3
Atomic properties
Oxidation states4,[] 3 (predicted)[] ​only bolded oxidation states are known experimentally
energies
(more)
Atomic radiusempirical: 150 (estimated)[] pm
Covalent radius157 (estimated)[] pm
Miscellanea
CAS Number53850-36-5
ଇତିହାସ
ଆବିଷ୍କାରJoint Institute for Nuclear Research (1964)
Most stable isotopes of rutherfordium
iso NA half-life DM DE (MeV) DP
261Rf syn 70 s[] >80% α 8.28 257No
<15% ε 261Lr
<10% SF
263Rf syn 15 min[] <100% SF
~30% α 7.90 ? 259No
265Rf syn 2.5 min[] SF
266Rf? syn 10? h SF?/α?
267Rf syn 1.3 h[] SF
268Rf? syn 6? h SF?/α?
only isotopes with half-lives over 5 seconds are included here
| references

References

  1. ୧.୦ ୧.୧ ୧.୨ ୧.୩ ୧.୪ ୧.୫ ୧.୬ Chemical Data. Rutherfordium - Rf, Royal Chemical Society
  2. ୨.୦ ୨.୧ ୨.୨ ୨.୩ ୨.୪ ୨.୫ ୨.୬ 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.{{cite book}}: CS1 maint: ref duplicates default (link)
  3. ୩.୦ ୩.୧ ୩.୨ Sonzogni, Alejandro. "Interactive Chart of Nuclides". National Nuclear Data Center: Brookhaven National Laboratory. Retrieved 2008-06-06.
  4. Ellison, P.; Gregorich, K.; Berryman, J.; Bleuel, D.; Clark, R.; Dragojević, I.; Dvorak, J.; Fallon, P.; Fineman-Sotomayor, C. (2010). "New Superheavy Element Isotopes: 242Pu(48Ca,5n)285114". Physical Review Letters. 105. Bibcode:2010PhRvL.105r2701E. doi:10.1103/PhysRevLett.105.182701. {{cite journal}}: Unknown parameter |displayauthors= ignored (|display-authors= suggested) (help)