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Reference




Seaborgium
Chemical Properties & Compounds



Symbol Atomic Number Atomic Weight Melting Point Boiling Point Phase Density Classification
Sg 106 266 Unknown Unknown Solid Unknown Metal Radioactive Synthetic Element


106 dubniumseaborgiumbohrium
W

Sg

(Uph)
General
Name, Symbol, Number seaborgium, Sg, 106
Chemical series transition metals
Group, Period, Block 6, 7, d
Appearance unknown, probably silvery
white or metallic gray
Standard atomic weight (263)  g·mol−1
Electron configuration perhaps [Rn] 7s2 5f14 6d4
(guess based on tungsten)
Electrons per shell 2, 8, 18, 32, 32, 12, 2
Physical properties
Phase presumably a solid
Density (near r.t.) 35 (est.)  g·cm−3
Atomic properties
Crystal structure cubic body centered
Oxidation states 6, 5, 4, 3, 2, 1, −1 (mildly acidic oxide)
Atomic radius (calc.) 132  pm
Covalent radius 63 (calc.) pm
Miscellaneous
CAS registry number 54038-81-2
Selected isotopes
Main article: Isotopes of seaborgium
iso NA half-life DM DE (MeV) DP
271Sg syn 2.4 min α
SF
References
Seaborgium Compounds

Source: Wikipedia article Seaborgium


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