Template:Infobox rutherfordium

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[[Category:Template:Pagetype with short description]]

Rutherfordium, 104Rf
Rutherfordium
Pronunciation/ˌrʌðərˈfɔːrdiəm/ (About this soundlisten) (Template:Respell)
Appearanceunknown
Mass number[267]
Rutherfordium in the periodic table
Template:Periodic table (32 columns, micro) Hf

Rf

(Upq)
lawrenciumrutherfordiumdubnium
Atomic number (Z)104
Groupgroup 4
Periodperiod 7
Block  d-block
Electron configuration[Rn] 5f14 6d2 7s2[1][2]
Electrons per shell2, 8, 18, 32, 32, 10, 2
(predicted)
Physical properties
Phase at STPunknown phase
Melting point2400 (estimated)[3] K ​(2100 °C, ​ °F)
Boiling point5800 (estimated)[3] K ​(5500 °C, ​ °F)
Density (near r.t.)23 (estimated)[3] g/cm3
Atomic properties
Oxidation states(+2), (+3), +4[1][2][4] (parenthesized: prediction)
Other properties
Natural occurrencesynthetic
CAS Number53850-36-5
Main isotopes of rutherfordium
[[Isotope|IsoTemplate:Shytope]] [[Natural abundance|AbunTemplate:Shydance]] Half-life (t1/2) Decay mode [[Decay product|ProTemplate:Shyduct]]
255Rf syn 1.68 s[5] 52% SF
48% α 251No
<1% ε 259Lw
257Rf syn 4.7 s[5] <100% α 253No
<1.4% SF
257m1Rf syn 3.9 s[5] <100% α 253No
<1.4% SF
259Rf syn 3.2 s[5] 92% α 255No
8% SF
261Rf syn 65 s[5] >80% α 257No
<15% ε 261Lw
<10% SF]
263Rf syn ~10 m[5] <100% SF
~30% α
264Rf? syn 1 h?[5] α?
265Rf syn ~13 h[5] α?
266Rf? syn 10 h?[5] SF?/α?
268Rf? syn 6 h?[5] SF?/α?
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| references

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data m.p. cat
in calc from C diff report ref
C 2100
K 2400 2370 30 delta
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input C: 2100, K: 2400 (estimated)[3], F:
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data b.p. cat
in calc from C diff report ref
C 5500
K 5800 5770 30 delta
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max precision -2
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input C: 5500, K: 5800 (estimated)[3], F:
comment

References

  1. 1.0 1.1 "Rutherfordium". Royal Chemical Society. Retrieved 2019-09-21.
  2. 2.0 2.1 Cite error: Invalid <ref> tag; no text was provided for refs named Haire
  3. 3.0 3.1 3.2 3.3 3.4 3.5 3.6 Chemical Data. Rutherfordium - Rf, Royal Chemical Society
  4. Cite error: Invalid <ref> tag; no text was provided for refs named BFricke
  5. 5.0 5.1 5.2 5.3 5.4 5.5 5.6 5.7 5.8 5.9 Sonzogni, Alejandro. "Interactive Chart of Nuclides". National Nuclear Data Center: Brookhaven National Laboratory. Retrieved 2008-06-06.