Беркли

Беркли (Bk)

element with the atomic number of 97
Atomic Number97
Atomic Weight247
жингийн тоо233
Group
Period7
Blockf
Протон97 p+
Нейтрон136 n0
Электрон97 e-
Animated Bohr model of Bk (Беркли)

Physical Property

Atomic Radius
molar volume
Covalent Radius
Metallic Radius
ionic radius
Crystal Radius
Van der Waals radius
density

Chemical Property

{ERROR}
энерги
proton affinity
electron affinity
ionization energy
ionization energy of Bk (Беркли)
enthalpy of vaporization
enthalpy of fusion
standard enthalpy of formation
Электрон
electron shell2, 8, 18, 32, 27, 8, 2
Bohr model: Bk (Беркли)
valence electron2
Lewis structure: Bk (Беркли)
electron configuration[Rn] 5f9 7s2
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f14 5d10 6p6 5f9 7s2
Enhanced Bohr model of Bk (Беркли)
Orbital Diagram of Bk (Беркли)
Исэлдэлтийн зэрэг2, 3, 4, 5
Цахилгаан сөрөг чанар
Electrophilicity Index
fundamental state of matter
phase of matter
gaseous state of matter
Boiling Point
Melting Point
critical pressure
critical temperature
Гурван фазын цэг
appearance
Өнгө
Black
appearancesilvery
Хугалах илтгэгч
thermodynamic material property
Thermal Conductivity
thermal expansion
molar heat capacity
Specific Heat Capacity
heat capacity ratio
electrical properties
type
electrical conductivity
electrical resistivity
Хэт дамжуулагч
magnetism
type
magnetic susceptibility (Mass)
magnetic susceptibility (Molar)
magnetic susceptibility (Volume)
magnetic ordering
Curie temperature
Néel temperature
structure
Crystal Structure{ERROR}
lattice constant
Lattice Anglesπ/2, π/2, 2 π/3
mechanical property
Хатуулаг
bulk modulus
shear modulus
Young's modulus
Poisson's ratio
Дууны хурд
classification
CategoryActinides, Actinides
CAS Group
IUPAC Group
Glawe Number41
Mendeleev Number30
Pettifor Number40
Geochemical Class
Goldschmidt classificationsynthetic

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

жингийн тоо233
neutron number136
Relative Atomic Mass
g-factor
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
40 ± 30 s
spin3/2
nuclear quadrupole moment
time of discovery or invention2015
parity-

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

234Bk

жингийн тоо234
neutron number137
Relative Atomic Mass
g-factor
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
20 ± 5 s
spin3
nuclear quadrupole moment
time of discovery or invention2003
parity-

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

235Bk

жингийн тоо235
neutron number138
Relative Atomic Mass
g-factor
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
spin3/2
nuclear quadrupole moment
time of discovery or invention
parity-

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

236Bk

жингийн тоо236
neutron number139
Relative Atomic Mass
g-factor
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
26 ± 10 s
spin4
nuclear quadrupole moment
time of discovery or invention2017
parity+

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

237Bk

жингийн тоо237
neutron number140
Relative Atomic Mass
g-factor
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
spin3/2
nuclear quadrupole moment
time of discovery or invention
parity-

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

238Bk

жингийн тоо238
neutron number141
Relative Atomic Mass
g-factor
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
2.4 ± 0.08 m
spin1
nuclear quadrupole moment
time of discovery or invention1994
parity

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

239Bk

жингийн тоо239
neutron number142
Relative Atomic Mass
g-factor
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
spin7/2
nuclear quadrupole moment
time of discovery or invention1989
parity+

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

240Bk

жингийн тоо240
neutron number143
Relative Atomic Mass
g-factor
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
4.8 ± 0.8 m
spin7
nuclear quadrupole moment
time of discovery or invention1980
parity-

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

241Bk

жингийн тоо241
neutron number144
Relative Atomic Mass
g-factor
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
4.6 ± 0.4 m
spin7/2
nuclear quadrupole moment
time of discovery or invention2003
parity+

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

242Bk

жингийн тоо242
neutron number145
Relative Atomic Mass
g-factor
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
7 ± 1.3 m
spin3
nuclear quadrupole moment
time of discovery or invention1972
parity+

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

243Bk

жингийн тоо243
neutron number146
Relative Atomic Mass
g-factor
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
4.6 ± 0.2 h
spin3/2
nuclear quadrupole moment
time of discovery or invention1950
parity-

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

244Bk

жингийн тоо244
neutron number147
Relative Atomic Mass
g-factor
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
5.02 ± 0.03 h
spin4
nuclear quadrupole moment
time of discovery or invention1972
parity-

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

245Bk

жингийн тоо245
neutron number148
Relative Atomic Mass
g-factor
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
4.95 ± 0.03 d
spin3/2
nuclear quadrupole moment
time of discovery or invention1951
parity-

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

246Bk

жингийн тоо246
neutron number149
Relative Atomic Mass
g-factor
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
1.8 ± 0.02 d
spin2
nuclear quadrupole moment
time of discovery or invention1954
parity

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

247Bk

жингийн тоо247
neutron number150
Relative Atomic Mass
g-factor
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
1.38 ± 0.25 ky
spin3/2
nuclear quadrupole moment
time of discovery or invention1965
parity-

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

248Bk

жингийн тоо248
neutron number151
Relative Atomic Mass
g-factor
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
spin6
nuclear quadrupole moment
time of discovery or invention1956
parity+

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

249Bk

жингийн тоо249
neutron number152
Relative Atomic Mass
g-factor
0.57142857142857 ± 0.11428571428571
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
327.2 ± 0.3 d
spin7/2
nuclear quadrupole moment
time of discovery or invention1954
parity+

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

250Bk

жингийн тоо250
neutron number153
Relative Atomic Mass
g-factor
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
3.212 ± 0.005 h
spin2
nuclear quadrupole moment
time of discovery or invention1954
parity-

decay modeintensity
β (β decay)100%

251Bk

жингийн тоо251
neutron number154
Relative Atomic Mass
g-factor
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
55.6 ± 1.1 m
spin3/2
nuclear quadrupole moment
time of discovery or invention1967
parity-

decay modeintensity
β (β decay)100%

252Bk

жингийн тоо252
neutron number155
Relative Atomic Mass
g-factor
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
1.8 ± 0.5 m
spin
nuclear quadrupole moment
time of discovery or invention1988
parity

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

253Bk

жингийн тоо253
neutron number156
Relative Atomic Mass
g-factor
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
spin3/2
nuclear quadrupole moment
time of discovery or invention1991
parity-

decay modeintensity
β (β decay)

254Bk

жингийн тоо254
neutron number157
Relative Atomic Mass
g-factor
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
spin
nuclear quadrupole moment
time of discovery or invention
parity

decay modeintensity
β (β decay)
Berkelium metal

түүх

discoverer or inventorG.T.Seaborg, S.G.Tompson, A.Ghiorso
location of discoveryUnited States
time of discovery or invention1949
etymologyNamed after Berkeley, California the city of its discovery.
pronunciationBURK-li-em (англи)

source

Abundance
Abundance in Earth's crust
natural abundance (Далай)
natural abundance (Хүний бие)
0 %
natural abundance (Солир)
0 %
natural abundance (Нар)
0 %
Abundance in Universe
0 %

Nuclear Screening Constants