Sg
Seaborgium · element 106
Transition Metal · Solid at room temperature
Seaborgium is a synthetic element with symbol Sg and atomic number 106. Its most stable isotope 271Sg has a half-life of 1.9 minutes. A more recently discovered isotope 269Sg has a potentially slightly longer half-life (ca.
Key facts
Atomic mass
269 u
how heavy one atom is
Phase (room temp.)
Solid
Density
35 g/cm³
how tightly packed it is
Period
7
its row in the periodic table
Group
6
its column in the periodic table
Block
D-block
the neighbourhood it lives in
Electron configuration
*[Rn] 5f14 6d4 7s2
where its electrons live
Shells
2 · 8 · 18 · 32 · 32 · 12 · 2
electrons in each layer, inside to out
Discovered by
Lawrence Berkeley National Laboratory
who found it
Source: Wikipedia