Berklis

Berklis (Bk)

element with the atomic number of 97
Atomic Number97
Atomic Weight247
mass number233
Group
Period7
Blockf
protonas97 p+
neutronas136 n0
elektronas97 e-
Animated Boro teorija of Bk (Berklis)

Fizikinė Ypatybė

Atomo Spindulys
molinis tūris
Kovalentinis spindulys
Metallic Radius
ionic radius
Crystal Radius
Van der Waals radius
tankis

Chemical Property

energija
proton affinity
electron affinity
ionization energy
ionization energy of Bk (Berklis)
Garavimo šiluma
lydymosi šiluma
standard enthalpy of formation
elektronas
electron shell2, 8, 18, 32, 27, 8, 2
Boro teorija: Bk (Berklis)
Valentinis elektronas2
Lewis structure: Bk (Berklis)
elektronų konfigūracija[Rn] 5f9 7s2
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f14 5d10 6p6 5f9 7s2
Enhanced Boro teorija of Bk (Berklis)
Orbital Diagram of Bk (Berklis)
oksidacijos laipsnis2, 3, 4, 5
Elektroneigiamumas
Electrophilicity Index
fundamental state of matter
phase of matterSolid
gaseous state of matter
Boiling Point
Melting Point
critical pressure
critical temperature
triple point
appearance
spalva
Colorless
appearancesilvery
lūžio rodiklis
thermodynamic material property
Thermal Conductivity
thermal expansion
molar heat capacity
Specific Heat Capacity
heat capacity ratio
electrical properties
type
Elektrinis laidumas
electrical resistivity
Superlaidumas
Magnetizmas
type
magnetic susceptibility (Mass)
magnetic susceptibility (Molar)
magnetic susceptibility (Volume)
magnetic ordering
Curie temperature
Néel temperature
struktūra
Crystal StructureSimple Hexagonal ()
Gardelės konstanta
Lattice Anglesπ/2, π/2, 2 π/3
mechanical property
kietis
bulk modulus
shear modulus
Jungo modulis
Puasono santykis
garso greitis
classification
CategoryActinides, Actinides
CAS Group
IUPAC Group
Glawe Number41
Mendeleev Number30
Pettifor Number40
Geochemical Class
Goldšmito klasifikacijasynthetic

other

Gas Basicity
polarizability
C6 Dispersion Coefficient
allotrope
Neutron cross section
710
Neutron Mass Absorption
quantum number6H15/2
space group194 (P63/mmc)

Isotopes of Berkelium

Stable Isotopes0
Unstable Isotopes22
Natural Isotopes0

233Bk

mass number233
neutron number136
Relative Atomic Mass
g-factor
natural abundance
Radioaktyvumas☢️ radioactive element
pusėjimo trukmė
40 ± 30 s
Sukinys3/2
nuclear quadrupole moment
atradimo data2015
parity-

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

234Bk

mass number234
neutron number137
Relative Atomic Mass
g-factor
natural abundance
Radioaktyvumas☢️ radioactive element
pusėjimo trukmė
20 ± 5 s
Sukinys3
nuclear quadrupole moment
atradimo data2003
parity-

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

235Bk

mass number235
neutron number138
Relative Atomic Mass
g-factor
natural abundance
Radioaktyvumas☢️ radioactive element
pusėjimo trukmė
Sukinys3/2
nuclear quadrupole moment
atradimo data
parity-

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

236Bk

mass number236
neutron number139
Relative Atomic Mass
g-factor
natural abundance
Radioaktyvumas☢️ radioactive element
pusėjimo trukmė
26 ± 10 s
Sukinys4
nuclear quadrupole moment
atradimo data2017
parity+

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

237Bk

mass number237
neutron number140
Relative Atomic Mass
g-factor
natural abundance
Radioaktyvumas☢️ radioactive element
pusėjimo trukmė
Sukinys3/2
nuclear quadrupole moment
atradimo data
parity-

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

238Bk

mass number238
neutron number141
Relative Atomic Mass
g-factor
natural abundance
Radioaktyvumas☢️ radioactive element
pusėjimo trukmė
2,4 ± 0,08 m
Sukinys1
nuclear quadrupole moment
atradimo data1994
parity

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

239Bk

mass number239
neutron number142
Relative Atomic Mass
g-factor
natural abundance
Radioaktyvumas☢️ radioactive element
pusėjimo trukmė
Sukinys7/2
nuclear quadrupole moment
atradimo data1989
parity+

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

240Bk

mass number240
neutron number143
Relative Atomic Mass
g-factor
natural abundance
Radioaktyvumas☢️ radioactive element
pusėjimo trukmė
4,8 ± 0,8 m
Sukinys7
nuclear quadrupole moment
atradimo data1980
parity-

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

241Bk

mass number241
neutron number144
Relative Atomic Mass
g-factor
natural abundance
Radioaktyvumas☢️ radioactive element
pusėjimo trukmė
4,6 ± 0,4 m
Sukinys7/2
nuclear quadrupole moment
atradimo data2003
parity+

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

242Bk

mass number242
neutron number145
Relative Atomic Mass
g-factor
natural abundance
Radioaktyvumas☢️ radioactive element
pusėjimo trukmė
7 ± 1,3 m
Sukinys3
nuclear quadrupole moment
atradimo data1972
parity+

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

243Bk

mass number243
neutron number146
Relative Atomic Mass
g-factor
natural abundance
Radioaktyvumas☢️ radioactive element
pusėjimo trukmė
4,6 ± 0,2 h
Sukinys3/2
nuclear quadrupole moment
atradimo data1950
parity-

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

244Bk

mass number244
neutron number147
Relative Atomic Mass
g-factor
natural abundance
Radioaktyvumas☢️ radioactive element
pusėjimo trukmė
5,02 ± 0,03 h
Sukinys4
nuclear quadrupole moment
atradimo data1972
parity-

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

245Bk

mass number245
neutron number148
Relative Atomic Mass
g-factor
natural abundance
Radioaktyvumas☢️ radioactive element
pusėjimo trukmė
4,95 ± 0,03 d
Sukinys3/2
nuclear quadrupole moment
atradimo data1951
parity-

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

246Bk

mass number246
neutron number149
Relative Atomic Mass
g-factor
natural abundance
Radioaktyvumas☢️ radioactive element
pusėjimo trukmė
1,8 ± 0,02 d
Sukinys2
nuclear quadrupole moment
atradimo data1954
parity

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

247Bk

mass number247
neutron number150
Relative Atomic Mass
g-factor
natural abundance
Radioaktyvumas☢️ radioactive element
pusėjimo trukmė
1,38 ± 0,25 ky
Sukinys3/2
nuclear quadrupole moment
atradimo data1965
parity-

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

248Bk

mass number248
neutron number151
Relative Atomic Mass
g-factor
natural abundance
Radioaktyvumas☢️ radioactive element
pusėjimo trukmė
Sukinys6
nuclear quadrupole moment
atradimo data1956
parity+

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

249Bk

mass number249
neutron number152
Relative Atomic Mass
g-factor
0,57142857142857 ± 0,11428571428571
natural abundance
Radioaktyvumas☢️ radioactive element
pusėjimo trukmė
327,2 ± 0,3 d
Sukinys7/2
nuclear quadrupole moment
atradimo data1954
parity+

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

250Bk

mass number250
neutron number153
Relative Atomic Mass
g-factor
natural abundance
Radioaktyvumas☢️ radioactive element
pusėjimo trukmė
3,212 ± 0,005 h
Sukinys2
nuclear quadrupole moment
atradimo data1954
parity-

decay modeIntensyvumas
β (β decay)100%

251Bk

mass number251
neutron number154
Relative Atomic Mass
g-factor
natural abundance
Radioaktyvumas☢️ radioactive element
pusėjimo trukmė
55,6 ± 1,1 m
Sukinys3/2
nuclear quadrupole moment
atradimo data1967
parity-

decay modeIntensyvumas
β (β decay)100%

252Bk

mass number252
neutron number155
Relative Atomic Mass
g-factor
natural abundance
Radioaktyvumas☢️ radioactive element
pusėjimo trukmė
1,8 ± 0,5 m
Sukinys
nuclear quadrupole moment
atradimo data1988
parity

decay modeIntensyvumas
β (β decay)
α (α emission)

253Bk

mass number253
neutron number156
Relative Atomic Mass
g-factor
natural abundance
Radioaktyvumas☢️ radioactive element
pusėjimo trukmė
Sukinys3/2
nuclear quadrupole moment
atradimo data1991
parity-

decay modeIntensyvumas
β (β decay)

254Bk

mass number254
neutron number157
Relative Atomic Mass
g-factor
natural abundance
Radioaktyvumas☢️ radioactive element
pusėjimo trukmė
Sukinys
nuclear quadrupole moment
atradimo data
parity

decay modeIntensyvumas
β (β decay)
Berkelium metal

istorija

atradėjas arba išradėjasG.T.Seaborg, S.G.Tompson, A.Ghiorso
location of discoveryUnited States
atradimo data1949
EtimologijaNamed after Berkeley, California the city of its discovery.
pronunciationBURK-li-em (anglų)

source

Abundance
Abundance in Earth's crust
natural abundance (Vandenynas)
natural abundance (Kūnas)
0 %
natural abundance (Meteoroidas)
0 %
natural abundance (Saulė)
0 %
Abundance in Universe
0 %

Nuclear Screening Constants