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Periodic table
Period 7Group 6
106Unknown
Sg 271 Atomic mass · u
Transition metals

Seaborgium

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.

Discovery 1974 (Lawrence Berkeley National Laboratory)
Seaborgium electron shellsSg106 protons
K2L8M18N32O32P12Q2
A simplified shell model. Electron positions are illustrative.

Physical properties

Values for the element in its standard state.

Density
Not available
Melting point
Not available
Boiling point
Not available
Atomic radius
Not available
Bonding type
Not recorded
Molar heat
Not available

Inside the atom

Electron arrangement and the energy behind its behavior.

Full electron configuration

1s, 2 electrons; 2s, 2 electrons; 2p, 6 electrons; 3s, 2 electrons; 3p, 6 electrons; 3d, 10 electrons; 4s, 2 electrons; 4p, 6 electrons; 4d, 10 electrons; 5s, 2 electrons; 5p, 6 electrons; 4f, 14 electrons; 5d, 10 electrons; 6s, 2 electrons; 6p, 6 electrons; 5f, 14 electrons; 6d, 4 electrons; 7s, 2 electrons;

[Rn] represents 86 core electrons. The full view shows them explicitly.

106 electrons Orbital order preserved from source

Electronegativity
Not availablePauling scale
First ionization energy
Not available
Electron affinity
Not available
Van der Waals radius
Not available

About seaborgium

Appearance
Not recorded
Discovery
1974 (Lawrence Berkeley National Laboratory)

A missing value means it is unavailable in this reference dataset. Values can vary with measurement method and conditions.