Template:Infobox rutherfordium/sandbox

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{{infobox element |number=104 |symbol=Rf |name=rutherfordium |left=lawrencium |right=dubnium |above=Hf |below=(Uph) |category=transition metal |group=4 |period=7 |block=d |atomic mass=[267] |appearance=unknown |pronounce=/ˌrʌðərˈfɔːrdiəm/ (About this soundlisten) |pronounce 2=Template:Respell |electron configuration=[Rn] 5f14 6d2 7s2 |electron configuration ref=[1][2] |electrons per shell=2, 8, 18, 32, 32, 10, 2 |phase=solid |phase comment=(predicted)[1][2] |density gpcm3nrt=23.2

|density gpcm3nrt comment=(predicted)[1][2][3]

  1. 1.0 1.1 1.2 Chemical Data. Rutherfordium - Rf, Royal Chemical Society
  2. 2.0 2.1 2.2 Cite error: Invalid <ref> tag; no text was provided for refs named Haire
  3. Fricke, Burkhard (1975). "Superheavy elements: a prediction of their chemical and physical properties". Recent Impact of Physics on Inorganic Chemistry. 21: 89–144. doi:10.1007/BFb0116498. Retrieved 4 October 2013.