Seaborgyo

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Seaborgium
106Sg
W

Sg

(Upo)
dubniumseaborgiumbohrium
Appearance
unknown
General properties
Name, simbolo, kaiphan seaborgium, Sg, 106
Pronunciation Plantilya:IPAc-en
Plantilya:Respell
Element category puthaw nga transisyon
Group, period, block 67, d
Standard atomic weight [269]
Electron configuration [Rn] 5f14 6d4 7s2
(predicted)[1]
2, 8, 18, 32, 32, 12, 2
(predicted)
Electron shells of seaborgium (2, 8, 18, 32, 32, 12, 2 (predicted))
History
Discovery Lawrence Berkeley National Laboratory (1974)
Physical properties
Phase magahi (predicted)
Density (near r.t.) 35 (predicted)[1] g·cm−3
Atomic properties
Oxidation states 6, 5, 4, 3
(only bolded oxidation states are known experimentally)
Ionization energies
(more)
1st: 757.4 (estimated)[1] kJ·mol−1
2nd: 1732.9 (estimated)[1] kJ·mol−1
3rd: 2483.5 (estimated)[1] kJ·mol−1
Atomic radius 132 (predicted)[1] pm
Covalent radius 143 (estimated)[2] pm
Miscellanea
CAS registry number 54038-81-2
Most stable isotopes
Main article: Isotopes of seaborgium
iso NA half-life DM DE (MeV) DP
271Sg syn 1.9 min 67% α 8.54 267Rf
33% SF
269Sg syn 2.1 min α 8.56 265Rf
267Sg syn 1.4 min 17% α 8.20 263Rf
83% SF
265mSg syn 16.2 s α 8.70 261mRf
265Sg syn 8.9 s α 8.90, 8.84, 8.76 261Rf
only isotopes with half-lives over 5 seconds are included here
t  h  u
· r

Ang seaborgyo (Iningles seaborgium) mao ang elementong kimiko sa talaang peryodiko nga may simbolo nga Sg ug kaiphan nga atomik 106. Ang seaborgyo mao ang puthaw nga transisyon.

Ang mga gi basihan niini[usba | edit source]

  1. 1.0 1.1 1.2 1.3 1.4 1.5 Haire, Richard G. (2006). "Transactinides and the future elements". in Morss; Edelstein, Norman M.; Fuger, Jean. The Chemistry of the Actinide and Transactinide Elements (3rd ed.). Dordrecht, The Netherlands: Springer Science+Business Media. ISBN 1-4020-3555-1. 
  2. Chemical Data. Seaborgium - Sg, Royal Chemical Society


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