Element: Roentgenium (Rg)

Element (Atom) NameRoentgenium
SymbolRg
Physical state at room temperatureSolid (predicted) (Ref: Jlab-ele111)
Element ClassificationMetal
Group NameNone
Period Number (Periodic table) 7
Group number (Periodic table)11
Atomic number111
Atomic weight281 (Ref: Jlab-ele111)
282 (predicted) (Ref: Lanl-111)
Atomic Radiusempirical: 138 pm (predicted) (predicted) (Ref: Lanl-111)
Density 
Melting point 
Boiling point 
Electron shell configuration (Predicted)1s2 
2s2 2p6 
3s2 3p6 3d10 
4s2 4p6 4d10 4f14 
5s2 5p6 5d10 5f14
6s2 6p6 6d10
7s1
Oxidation States5, 3, 1, −1 ​(predicted) (Ref: Lanl-111)
Ionization Energy 
Number of Stable Isotopes0
InChIInChI=1S/Rg (Ref: Pubchem-111)
InChI KeyLJROPTGWFUZRDB-UHFFFAOYSA-N (Ref: Pubchem-111)
RemarksRadioactive, Artificially Produced (Ref: Jlab-ele111)

REFERENCES

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