Plantilya:Infobox bohrium

Gikan sa Wikipedia, ang gawasnong ensiklopedya


General properties
Name, simbolo, kaiphan bohrium, Bh, 107
Pronunciation Plantilya:IPAc-en
Element category puthaw nga transisyon
Group, period, block 77, d
Standard atomic weight [270]
Electron configuration [Rn] 5f14 6d5 7s2
2, 8, 18, 32, 32, 13, 2
Electron shells of bohrium (2, 8, 18, 32, 32, 13, 2 (predicted))
Discovery Gesellschaft für Schwerionenforschung (1981)
Physical properties
Phase magahi (predicted)
Density (near r.t.) 37 (predicted)[2] g·cm−3
Atomic properties
Oxidation states 7, 5, 4, 3 (predicted)[2]
(only bolded oxidation states are known experimentally)
Ionization energies
1st: 742.9 (estimated)[2] kJ·mol−1
2nd: 1688.5 (estimated)[2] kJ·mol−1
3rd: 2566.5 (estimated)[2] kJ·mol−1
Atomic radius 128 (predicted)[2] pm
Covalent radius 141 (estimated)[3] pm
CAS registry number 54037-14-8
Most stable isotopes
Main article: Isotopes of bohrium
iso NA half-life DM DE (MeV) DP
274Bh syn ~54 s[4] α 8.8 270Db
272Bh syn 9.8 s α 9.02 268Db
271Bh syn 1.2 s[5] α 9.35[5] 267Db
270Bh syn 61 s α 8.93 266Db
267Bh syn 17 s α 8.83 263Db
only isotopes with half-lives over 1 second are included here
t  h  u
· r

Plantilya:Template reference list
Cite error: <ref> tags exist, but no <references/> tag was found