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Tuesday, June 21, 2016

Seaborgium chemical element

Seaborgium was discovered by the Nuclear Institute of Dubna and by American researchers from the University of California in 1974.
the chemical element symbol for Seaborgium is Sg and its atomic number is 106.
We find it listed in the periodic table in Group 6 and period 7 and block.
The Seaborgium belongs to the family of transition metals such as for example the Silver, the Bohrium, cadmium, ...
This element is Radioactive.
Seaborgium was named after Glenn Theodore Seaborg.


Seaborgium chemical element


Atomic number (Z) 106
Group, block group 6, d-block
Period: period 7
Element category: transition metal
Standard atomic weight (Ar) [269]
Electron configuration: [Rn] 5f14 6d4 7s2 (predicted)
per shell: 2, 8, 18, 32, 32, 12, 2 (predicted)

Physical properties
Phase: solid (predicted)
Density near r.t. : 35.0 g/cm3 (predicted)

Atomic properties
Oxidation states: 6, (5), (4), (3), 0 ​(parenthesized oxidation states are predictions)
Ionization energies 1st: 757.4 kJ/mol
2nd: 1732.9 kJ/mol
3rd: 2483.5 kJ/mol (all estimated)
Atomic radius empirical: 132 pm (predicted)
Covalent radius: 143 pm (estimated)

Crystal structure: body-centered cubic
CAS Number 54038-81-2