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Rutherfordium,  104Rf
Sifat umum
Nama, simbolrutherfordium, Rf
Pengucapan/ˌrʌðərˈfɔːrdiəm/
RUDH-ər-FOR-dee-əm
Penampilantak diketahui
Rutherfordium di tabel periodik
Hydrogen (diatomic nonmetal)
Helium (noble gas)
Litium (alkali metal)
Berilium (alkaline earth metal)
Boron (metalloid)
Karbon (polyatomic nonmetal)
Nitrogen (diatomic nonmetal)
Oksigen (diatomic nonmetal)
Fluor (diatomic nonmetal)
Neon (noble gas)
Natrium (alkali metal)
Magnesium (alkaline earth metal)
Aluminium (post-transition metal)
Silikon (metalloid)
Fosfor (polyatomic nonmetal)
Belerang (polyatomic nonmetal)
Klor (diatomic nonmetal)
Argon (noble gas)
Kalium (alkali metal)
Kalsium (alkaline earth metal)
Skandium (transition metal)
Titanium (transition metal)
Vanadium (transition metal)
Kromium (transition metal)
Mangan (transition metal)
Besi (transition metal)
Kobalt (transition metal)
Nikel (transition metal)
Tembaga (transition metal)
Seng (transition metal)
Galium (post-transition metal)
Germanium (metalloid)
Arsenik (metalloid)
Selenium (polyatomic nonmetal)
Bromin (diatomic nonmetal)
Kripton (noble gas)
Rubidium (alkali metal)
Stronsium (alkaline earth metal)
Itrium (transition metal)
Zirkonium (transition metal)
Niobium (transition metal)
Molibdenum (transition metal)
Teknesium (transition metal)
Rutenium (transition metal)
Rodium (transition metal)
Paladium (transition metal)
Perak (transition metal)
Kadmium (transition metal)
Indium (post-transition metal)
Timah (post-transition metal)
Antimon (metalloid)
Telurium (metalloid)
Yodium (diatomic nonmetal)
Xenon (noble gas)
Sesium (alkali metal)
Barium (alkaline earth metal)
Lantanum (lanthanide)
Serium (lanthanide)
Praseodimium (lanthanide)
Neodimium (lanthanide)
Prometium (lanthanide)
Samarium (lanthanide)
Europium (lanthanide)
Gadolinium (lanthanide)
Terbium (lanthanide)
Disprosium (lanthanide)
Holmium (lanthanide)
Erbium (lanthanide)
Tulium (lanthanide)
Iterbium (lanthanide)
Lutesium (lanthanide)
Hafnium (transition metal)
Tantalum (transition metal)
Tungsten (transition metal)
Renium (transition metal)
Osmium (transition metal)
Iridium (transition metal)
Platinum (transition metal)
Emas (transition metal)
Raksa (transition metal)
Talium (post-transition metal)
Timbal (post-transition metal)
Bismut (post-transition metal)
Polonium (post-transition metal)
Astatin (metalloid)
Radon (noble gas)
Fransium (alkali metal)
Radium (alkaline earth metal)
Aktinium (actinide)
Torium (actinide)
Protaktinium (actinide)
Uranium (actinide)
Neptunium (actinide)
Plutonium (actinide)
Amerisium (actinide)
Kurium (actinide)
Berkelium (actinide)
Kalifornium (actinide)
Einsteinium (actinide)
Fermium (actinide)
Mendelevium (actinide)
Nobelium (actinide)
Lawrensium (actinide)
Ruterfordium (transition metal)
Dubnium (transition metal)
Seaborgium (transition metal)
Bohrium (transition metal)
Hasium (transition metal)
Meitnerium (unknown chemical properties)
Darmstadtium (unknown chemical properties)
Roentgenium (unknown chemical properties)
Kopernisium (transition metal)
Nihonium (unknown chemical properties)
Flerovium (post-transition metal)
Moskovium (unknown chemical properties)
Livermorium (unknown chemical properties)
Tenesin (unknown chemical properties)
Oganeson (unknown chemical properties)
Hf

Rf

(Upq)
lawrensiumrutherfordiumdubnium
Nomor atom (Z)104
Golongan, blokgolongan 4, blok-d
Periodeperiode 7
Kategori unsur  logam transisi
Bobot atom standar (Ar)[267]
Konfigurasi elektron[Rn] 5f14 6d2 7s2[1]
per kelopak
2, 8, 18, 32, 32, 10, 2
Sifat fisika
Fasesolid (predicted)[1]
Titik lebur2400 (estimated)[1] K ​(2100 °C, ​ °F)
Titik didih5800 (estimated)[1] K ​(5500 °C, ​ °F)
Kepadatan mendekati s.k.23 (estimated)[1] g/cm3
Sifat atom
Bilangan oksidasi+4[1]
Energi ionisasi
(artikel)
Jari-jari kovalen157 (estimated)[1] pm
Lain-lain
Nomor CAS53850-36-5
Isotop rutherfordium terstabil
Iso­top Kelim­pahan Waktu paruh (t1/2) Moda peluruhan Pro­duk
261Rf syn 70 s[2] >80% α 257No
<15% ε 261Lr
<10% SF
263Rf syn 15 min[2] <100% SF
~30% α 259No
265Rf syn 2.5 min[3] SF
266Rf? syn SF?/α?
267Rf syn 1.3 h[2] SF
268Rf? syn SF?/α?
only isotopes with half-lives over 5 seconds are included here
| referensi | di Wikidata

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Referensi

  1. ^ a b c d e f g Chemical Data. Rutherfordium - Rf, Royal Chemical Society
  2. ^ a b c Sonzogni, Alejandro. "Interactive Chart of Nuclides". National Nuclear Data Center: Brookhaven National Laboratory. Diakses tanggal 2008-06-06. 
  3. ^ 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.