Ruterfordyo

Ang ruterfordyo (Iningles rutherfordium) mao ang elementong kimiko sa talaang peryodiko nga may simbolo nga Rf ug kaiphan nga atomik 104. Ang ruterfordyo mao ang puthaw nga transisyon.

Rutherfordium
104Rf
Hf ↑ Rf ↓ (Uph) Periodic table lawrencium ← rutherfordium → dubnium
Panagway
unknown
Kinatibuk-ang mga kinaiya
Ngalan, simbolo, kaiphan	rutherfordium, Rf, 104
Paglitok	/ˌrʌðərˈfɔːrdiəm/ [[Help:Pronunciation respelling key|Plantilya:Smallcaps all-ər-Plantilya:Smallcaps all-dee-əm]]
Kategoriyang elemento	puthaw nga transisyon
Group, period, block	4, 7, d
Gibug-aton sa atomo	[267]
Kontorno sa elektron	[Rn] 5f14 6d2 7s2[1][2] 2, 8, 18, 32, 32, 10, 2 Electron shells of rutherfordium (2, 8, 18, 32, 32, 10, 2)
History
Pagkadiskobre	Joint Institute for Nuclear Research (1964)
Physical properties
Phase	magahi (predicted)[1][2]
Density (near r.t.)	23 (estimated)[1][2] g·cm−3
Melting point	2400 K, 2100 °C, 3800 (estimated)[1][2] °F
Boiling point	5800 K, 5500 °C, 9900 (estimated)[1][2] °F
Atomic properties
Oxidation states	4,[1] 3 (predicted)[2] (only bolded oxidation states are known experimentally)
Ionization energies (more)	1st: 579.9 (estimated)[2] kJ·mol−1
	2nd: 1389.4 (estimated)[2] kJ·mol−1
	3rd: 2296.4 (estimated)[2] kJ·mol−1
Atomic radius	150 (estimated)[2] pm
Covalent radius	157 (estimated)[1] pm
Miscellanea
CAS registry number	53850-36-5
Most stable isotopes
Main article: Isotopes of rutherfordium
iso NA half-life DM DE (MeV) DP 261Rf syn 70 s[3] >80% α 8.28 257No <15% ε 261Lr <10% SF 263Rf syn 15 min[3] <100% SF ~30% α 7.90 ? 259No 265Rf syn 2.5 min[4] SF 266Rf? syn 10? h SF?/α? 267Rf syn 1.3 h[3] SF 268Rf? syn 6? h SF?/α? only isotopes with half-lives over 5 seconds are included here
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