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Seaborgium Sg (Elements 106) of Periodic Table

Seaborgium Sg (Elements 106) of Periodic Table

106 Sg (Seaborgium)

Mass number – 271

Atomic number (Z) – 106

Atomic weight – 262 g/mol

Electrons: 106

Protons: 106

Neutrons: 165

Group – 6

Period – 7

Block – d

Element category – Transition Metal

Electrons per shell – K2, L8, M18, N32, O32, P12, Q2

Electron configuration – 1s22s22p63s23p63d104s24p64d105s25p64f145d106s26p65f146d47s2

Phase – Solid

Density – 35 g/cm3

Half Life(s) – 7000

Lifetime(s) – 10000

Appearance – radioactive metal that does not occur naturally. 

Oxidation states – 6, 5, 4, 3, 0

Ionization energies – 1st: 752.6 kJ/mol, 2nd: 1732.9 kJ/mol, 3rd: 2483.5 kJ/mol

Atomic radius – 132 pm

Covalent radius – 143 pm

Crystal structure – Body-centered cubic

CAS Number – 54038-81-2

Naming – After Glenn T. Seaborg

Discovery Lawrence Berkeley National Laboratory (1974)

Isotopes – 271Sg 269Sg 267Sg 265mSg 265Sg

Uses – At present, it is only used in research.

Natural abundance – It is created by bombarding californium-249 with oxygen-18 nuclei

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