Element: Rutherfordium (Rf)

Element (Atom) NameRutherfordium
SymbolRf
Physical state at room temperatureSolid
Element ClassificationMetal
Group NameNone
Period Number (Periodic table) 7
Group number (Periodic table)4
Atomic number104
Atomic weight263 (Ref: Jlab-ele104)
267 (Ref: Lanl-104)
Atomic Radiusempirical: 150 pm (estimated) (Ref: Lanl-104)
Density?
Melting point2100 °C (Predicted) (Ref: Lanl-104)
Boiling point5500 °C (Predicted) (Ref: Lanl-104)
Electron shell configuration1s2 
2s2 2p6 
3s2 3p6 3d10 
4s2 4p6 4d10 4f14 
5s2 5p6 5d10 5f14
6s2 6p6 6d2
7s2
Oxidation States+4 (Ref: Jlab-ele104)
4, (3), (2) (Ref: Lanl-104)
Ionization Energy(6.02) eV (Ref: Nist-104)
Number of Stable Isotopes0
InChIInChI=1S/Rf (Ref: Pubchem-104)
InChI KeyYGPLJIIQQIDVFJ-UHFFFAOYSA-N (Ref: Pubchem-104)
RemarksRadioactive, Artificially Produced (Ref: Jlab-ele104)

REFERENCES

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