Berkelioa

Berkelioa (Bk)

Zenbaki atomikoa 97 duen elementu kimiko artifizial eta erradioaktiboa, transuranidoen multzokoa. Metal kristalinoa da, kimikoki erreaktiboa.
Atomic Number97
Atomic Weight247
masa-zenbaki233
Group
Period7
Blockf
protoi97 p+
neutroi136 n0
elektroi97 e-
Animated Bohrren eredu atomikoa of Bk (Berkelioa)

Propietate Fisiko

Erradio Atomiko
bolumen molar
Erradio Kobalente
168 pm
Metallic Radius
Erradio ioniko
96 pm
Crystal Radius
110 pm
Van der Waalsen erradio
244 pm
dentsitatea
14,78 g/cm³

Magnitude Fisiko

energia
proton affinity
Afinitate elektroniko
ionizazio energia
ionizazio energia of Bk (Berkelioa)
Irakite-entalpia
urtze-entalpia
formazio entalpia estandarra
310 kJ/mol
elektroi
elektroi geruza2, 8, 18, 32, 27, 8, 2
Bohrren eredu atomikoa: Bk (Berkelioa)
balentzia-elektroi2
Lewis egitura: Bk (Berkelioa)
electron configuration[Rn] 5f9 7s2
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f14 5d10 6p6 5f9 7s2
Enhanced Bohrren eredu atomikoa of Bk (Berkelioa)
Orbital Diagram of Bk (Berkelioa)
Oxidazio-egoera2, 3, 4, 5
Elektronegatibotasun
Electrophilicity Index
materiaren funtsezko egoera
materiaren egoeraSolid
materiaren egoera gaseoso
Boiling Point
Melting Point
1.259,15 K
critical pressure
critical temperature
Puntu hirukoitz
appearance
kolore
Colorless
appearancesilvery
errefrakzio-indize
thermodynamic material property
Thermal Conductivity
Bero-dilatazio
molar heat capacity
Specific Heat Capacity
indize adiabatiko
electrical properties
type
Eroankortasun elektriko
Erresistibitate elektriko
Supereroankortasun
Magnetismo
type
suszeptibilitate magnetiko (Mass)
suszeptibilitate magnetiko (Molar)
suszeptibilitate magnetiko (Volume)
magnetic ordering
Curieren tenperatura
Néel temperature
egitura
Crystal StructureSimple Hexagonal ()
lattice constant
Lattice Anglesπ/2, π/2, 2 π/3
materialen propietate mekaniko
Gogortasun
konprimagarritasun-modulu
Zizaila modulua
Youngen modulu
Poissonen modulu
Soinuaren lastertasun
classification
CategoryActinides, Actinides
CAS Group
IUPAC Group
Glawe Number41
Mendeleev Number30
Pettifor Number40
Geochemical Class
Goldschmidt classificationsynthetic

beste batzuk

Gas Basicity
polarizability
125 ± 25 a₀
C6 Dispersion Coefficient
allotrope
Neutron cross section
710
Neutron Mass Absorption
zenbaki kuantiko6H15/2
talde espazial194 (P63/mmc)

Isotopes of Berkelium

Stable Isotopes0
Unstable Isotopes22
Natural Isotopes0

233Bk

masa-zenbaki233
neutron number136
atomo-masa erlatibo
233,056652 ± 0,00025 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
40 ± 30 s
spin3/2
nuclear quadrupole moment
aurkikuntza-data2015
parity-

decay modeintensity
α (α emission)82%
β+ (β+ decay; β+ = ϵ + e+)

234Bk

masa-zenbaki234
neutron number137
atomo-masa erlatibo
234,057322 ± 0,000164 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
20 ± 5 s
spin3
nuclear quadrupole moment
aurkikuntza-data2003
parity-

decay modeintensity
α (α emission)80%
β+ (β+ decay; β+ = ϵ + e+)20%

235Bk

masa-zenbaki235
neutron number138
atomo-masa erlatibo
235,056651 ± 0,00043 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
spin3/2
nuclear quadrupole moment
aurkikuntza-data
parity-

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)
α (α emission)

236Bk

masa-zenbaki236
neutron number139
atomo-masa erlatibo
236,057479 ± 0,000387 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
26 ± 10 s
spin4
nuclear quadrupole moment
aurkikuntza-data2017
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
α (α emission)
β+ SF (β+-delayed fission)0.04%

237Bk

masa-zenbaki237
neutron number140
atomo-masa erlatibo
237,057123 ± 0,000247 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
spin3/2
nuclear quadrupole moment
aurkikuntza-data
parity-

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)
α (α emission)

238Bk

masa-zenbaki238
neutron number141
atomo-masa erlatibo
238,058204 ± 0,000275 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
2,4 ± 0,08 m
spin1
nuclear quadrupole moment
aurkikuntza-data1994
parity

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
α (α emission)
β+ SF (β+-delayed fission)0.048%

239Bk

masa-zenbaki239
neutron number142
atomo-masa erlatibo
239,058239 ± 0,000222 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
spin7/2
nuclear quadrupole moment
aurkikuntza-data1989
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
α (α emission)0.01%
SF (spontaneous fission)0.01%

240Bk

masa-zenbaki240
neutron number143
atomo-masa erlatibo
240,059758 ± 0,000161 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
4,8 ± 0,8 m
spin7
nuclear quadrupole moment
aurkikuntza-data1980
parity-

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)
α (α emission)
β+ SF (β+-delayed fission)0.002%

241Bk

masa-zenbaki241
neutron number144
atomo-masa erlatibo
241,060098 ± 0,000178 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
4,6 ± 0,4 m
spin7/2
nuclear quadrupole moment
aurkikuntza-data2003
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)
α (α emission)

242Bk

masa-zenbaki242
neutron number145
atomo-masa erlatibo
242,061999 ± 0,000144 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
7 ± 1,3 m
spin3
nuclear quadrupole moment
aurkikuntza-data1972
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
β+ SF (β+-delayed fission)3%
α (α emission)

243Bk

masa-zenbaki243
neutron number146
atomo-masa erlatibo
243,063005905 ± 0,000004856 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
4,6 ± 0,2 h
spin3/2
nuclear quadrupole moment
aurkikuntza-data1950
parity-

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
α (α emission)0.15%

244Bk

masa-zenbaki244
neutron number147
atomo-masa erlatibo
244,065178969 ± 0,000015457 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
5,02 ± 0,03 h
spin4
nuclear quadrupole moment
aurkikuntza-data1972
parity-

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)
α (α emission)0.006%

245Bk

masa-zenbaki245
neutron number148
atomo-masa erlatibo
245,066359814 ± 0,000001923 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
4,95 ± 0,03 d
spin3/2
nuclear quadrupole moment
aurkikuntza-data1951
parity-

decay modeintensity
ϵ (electron capture)99.88%
α (α emission)0.12%

246Bk

masa-zenbaki246
neutron number149
atomo-masa erlatibo
246,0686713 ± 0,000064433 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
1,8 ± 0,02 d
spin2
nuclear quadrupole moment
aurkikuntza-data1954
parity

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
α (α emission)

247Bk

masa-zenbaki247
neutron number150
atomo-masa erlatibo
247,070305889 ± 0,00000557 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
1,38 ± 0,25 ky
spin3/2
nuclear quadrupole moment
aurkikuntza-data1965
parity-

decay modeintensity
α (α emission)100%
SF (spontaneous fission)

248Bk

masa-zenbaki248
neutron number151
atomo-masa erlatibo
248,073141689 ± 0,000053739 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
spin6
nuclear quadrupole moment
aurkikuntza-data1956
parity+

decay modeintensity
α (α emission)
ϵ (electron capture)

249Bk

masa-zenbaki249
neutron number152
atomo-masa erlatibo
249,074983118 ± 0,000001339 Da
g-factor
0,57142857142857 ± 0,11428571428571
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
327,2 ± 0,3 d
spin7/2
nuclear quadrupole moment
aurkikuntza-data1954
parity+

decay modeintensity
β (β decay)100%
α (α emission)0.00145%
SF (spontaneous fission)47%

250Bk

masa-zenbaki250
neutron number153
atomo-masa erlatibo
250,078317195 ± 0,00000311 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
3,212 ± 0,005 h
spin2
nuclear quadrupole moment
aurkikuntza-data1954
parity-

decay modeintensity
β (β decay)100%

251Bk

masa-zenbaki251
neutron number154
atomo-masa erlatibo
251,080760555 ± 0,000011523 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
55,6 ± 1,1 m
spin3/2
nuclear quadrupole moment
aurkikuntza-data1967
parity-

decay modeintensity
β (β decay)100%

252Bk

masa-zenbaki252
neutron number155
atomo-masa erlatibo
252,08431 ± 0,000215 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
1,8 ± 0,5 m
spin
nuclear quadrupole moment
aurkikuntza-data1988
parity

decay modeintensity
β (β decay)
α (α emission)

253Bk

masa-zenbaki253
neutron number156
atomo-masa erlatibo
253,08688 ± 0,000385 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
spin3/2
nuclear quadrupole moment
aurkikuntza-data1991
parity-

decay modeintensity
β (β decay)

254Bk

masa-zenbaki254
neutron number157
atomo-masa erlatibo
254,0906 ± 0,00032 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
spin
nuclear quadrupole moment
aurkikuntza-data
parity

decay modeintensity
β (β decay)
Berkelium metal

historia

aurkitzailea edo asmatzaileaG.T.Seaborg, S.G.Tompson, A.Ghiorso
aurkikuntzaren lekuaUnited States
aurkikuntza-data1949
etimologiaNamed after Berkeley, California the city of its discovery.
pronunciationBURK-li-em (ingelesa)

source

Abundance
Abundance in Earth's crust
natural abundance (ozeano)
natural abundance (gizakiaren gorputza)
0 %
natural abundance (Meteoroide)
0 %
natural abundance (Eguzkia)
0 %
Abundance in Universe
0 %

Nuclear Screening Constants