Berkelium (Bk)

element with the atomic number of 97

Atomic Number	97
Atomic Weight	247
Nombor jisim	233

Group
Period	7
Block	f

proton	97 p⁺
neutron	136 n⁰
Elektron	97 e^-

Sifat Fizikal

Jejari Atom
molar volume
Jejari kovalen	168 pm 139 pm
Metallic Radius
ionic radius	96 pm 83 pm 93 pm 113.7 pm
Crystal Radius	110 pm 97 pm 107 pm 127.7 pm
Jejari van der Waals	244 pm 333.9 pm
ketumpatan	14.78 g/cm³

Sifat Kimia

tenaga

proton affinity
Pertalian elektron
ionization energy	6.1978 eV/particle 11.9 eV/particle 21.6 eV/particle 36 eV/particle 56 eV/particle 70.1 eV/particle 90 eV/particle 114 eV/particle 130 eV/particle 147 eV/particle 171 eV/particle 195 eV/particle 218 eV/particle 240 eV/particle 259 eV/particle 279 eV/particle 303 eV/particle 339 eV/particle 361 eV/particle 497 eV/particle 526 eV/particle 557 eV/particle 590 eV/particle 621 eV/particle 652 eV/particle 700 eV/particle 733 eV/particle 768 eV/particle 800 eV/particle 960 eV/particle 1,000 eV/particle 1,040 eV/particle 1,080 eV/particle 1,200 eV/particle 1,240 eV/particle 1,360 eV/particle 1,410 eV/particle 1,550 eV/particle 1,630 eV/particle 1,720 eV/particle 1,800 eV/particle 1,890 eV/particle 1,970 eV/particle 2,050 eV/particle 2,140 eV/particle 2,240 eV/particle 2,320 eV/particle 2,410 eV/particle 2,490 eV/particle 2,580 eV/particle 2,670 eV/particle 3,080 eV/particle 3,154 eV/particle 3,232 eV/particle 3,315 eV/particle 3,393 eV/particle 3,469 eV/particle 3,630 eV/particle 3,709 eV/particle 3,797 eV/particle 3,877 eV/particle 4,202 eV/particle 4,281 eV/particle 4,365 eV/particle 4,445 eV/particle 4,940 eV/particle 5,040 eV/particle 5,270 eV/particle 5,360 eV/particle 8,500 eV/particle 8,670 eV/particle 8,850 eV/particle 9,050 eV/particle 9,240 eV/particle 9,420 eV/particle 9,880 eV/particle 10,070 eV/particle 10,280 eV/particle 10,480 eV/particle 11,020 eV/particle 11,190 eV/particle 11,380 eV/particle 11,540 eV/particle 13,090 eV/particle 13,300 eV/particle 13,720 eV/particle 13,910 eV/particle 28,380 eV/particle 28,800 eV/particle 29,300 eV/particle 29,800 eV/particle 35,500 eV/particle 36,200 eV/particle 37,000 eV/particle 37,457.6 eV/particle 146,904.7 eV/particle 149,398 eV/particle

Entalpi pengewapan
entalpi pelakuran
standard enthalpy of formation	310 kJ/mol
Elektron

Petala elektron	2, 8, 18, 32, 27, 8, 2

Elektron valens	2 ⓘ

tatarajah elektron	[Rn] 5f⁹ 7s²ⓘ 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶ 6s² 4f¹⁴ 5d¹⁰ 6p⁶ 5f⁹ 7s²

Keadaan pengoksidaan	2, 3, 4, 5
Keelektronegatifan	0.19315
Electrophilicity Index
keadaan jirim asas

fasa jirim	Solid
gaseous state of matter
Boiling Point
Melting Point	1,259.15 K
critical pressure
critical temperature
triple point
rupa
warna	Colorless #ffffff #8a4fe3 #8a4fe3
rupa	silvery
indeks biasan
sifat bahan
Thermal Conductivity
Pengembangan terma
molar heat capacity
Specific Heat Capacity
heat capacity ratio
electrical properties
type
Kekonduksian elektrik
Kerintangan dan kekonduksian elektrik
Kesuperkonduksian
kemagnetan
type
magnetic susceptibility (Mass)
magnetic susceptibility (Molar)
magnetic susceptibility (Volume)
magnetic ordering
Suhu Curie
Néel temperature
struktur
Crystal Structure	Simple Hexagonal ()
lattice constant
Lattice Angles	π/2, π/2, 2 π/3
mechanical property
hardness
Modulus pukal
shear modulus
Young's modulus
Nisbah Poisson
Kelajuan bunyi
pengelasan
Category	Actinides, Actinides
CAS Group
IUPAC Group
Glawe Number	41
Mendeleev Number	30
Pettifor Number	40
Geochemical Class
Goldschmidt classification	synthetic

other

Gas Basicity
polarizability	125 ± 25 a₀
C6 Dispersion Coefficient
allotrope
Neutron cross section	710
Neutron Mass Absorption
Nombor kuantum	6H15/2
space group	194 (P63/mmc)

Isotopes of Berkelium

Stable Isotopes	0
Unstable Isotopes	22
Natural Isotopes	0

²³³Bk

Nombor jisim	233
nombor neutron	136
jisim atom relatif	233.056652 ± 0.00025 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	40 ± 30 s
Spin	3/2
nuclear quadrupole moment
tarikh penemuan	2015
parity	-

decay mode	Keamatan (fizik)
α (α emission)	82%
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)

²³⁴Bk

Nombor jisim	234
nombor neutron	137
jisim atom relatif	234.057322 ± 0.000164 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	20 ± 5 s
Spin	3
nuclear quadrupole moment
tarikh penemuan	2003
parity	-

decay mode	Keamatan (fizik)
α (α emission)	80%
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	20%

²³⁵Bk

Nombor jisim	235
nombor neutron	138
jisim atom relatif	235.056651 ± 0.00043 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat
Spin	3/2
nuclear quadrupole moment
tarikh penemuan
parity	-

decay mode	Keamatan (fizik)
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)
α (α emission)

²³⁶Bk

Nombor jisim	236
nombor neutron	139
jisim atom relatif	236.057479 ± 0.000387 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	26 ± 10 s
Spin	4
nuclear quadrupole moment
tarikh penemuan	2017
parity	+

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

²³⁷Bk

Nombor jisim	237
nombor neutron	140
jisim atom relatif	237.057123 ± 0.000247 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat
Spin	3/2
nuclear quadrupole moment
tarikh penemuan
parity	-

decay mode	Keamatan (fizik)
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)
α (α emission)

²³⁸Bk

Nombor jisim	238
nombor neutron	141
jisim atom relatif	238.058204 ± 0.000275 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	2.4 ± 0.08 m
Spin	1
nuclear quadrupole moment
tarikh penemuan	1994
parity

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

²³⁹Bk

Nombor jisim	239
nombor neutron	142
jisim atom relatif	239.058239 ± 0.000222 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat
Spin	7/2
nuclear quadrupole moment
tarikh penemuan	1989
parity	+

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

²⁴⁰Bk

Nombor jisim	240
nombor neutron	143
jisim atom relatif	240.059758 ± 0.000161 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	4.8 ± 0.8 m
Spin	7
nuclear quadrupole moment
tarikh penemuan	1980
parity	-

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

²⁴¹Bk

Nombor jisim	241
nombor neutron	144
jisim atom relatif	241.060098 ± 0.000178 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	4.6 ± 0.4 m
Spin	7/2
nuclear quadrupole moment
tarikh penemuan	2003
parity	+

decay mode	Keamatan (fizik)
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)
α (α emission)

²⁴²Bk

Nombor jisim	242
nombor neutron	145
jisim atom relatif	242.061999 ± 0.000144 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	7 ± 1.3 m
Spin	3
nuclear quadrupole moment
tarikh penemuan	1972
parity	+

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

²⁴³Bk

Nombor jisim	243
nombor neutron	146
jisim atom relatif	243.063005905 ± 0.000004856 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	4.6 ± 0.2 h
Spin	3/2
nuclear quadrupole moment
tarikh penemuan	1950
parity	-

decay mode	Keamatan (fizik)
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%
α (α emission)	0.15%

²⁴⁴Bk

Nombor jisim	244
nombor neutron	147
jisim atom relatif	244.065178969 ± 0.000015457 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	5.02 ± 0.03 h
Spin	4
nuclear quadrupole moment
tarikh penemuan	1972
parity	-

decay mode	Keamatan (fizik)
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)
α (α emission)	0.006%

²⁴⁵Bk

Nombor jisim	245
nombor neutron	148
jisim atom relatif	245.066359814 ± 0.000001923 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	4.95 ± 0.03 d
Spin	3/2
nuclear quadrupole moment
tarikh penemuan	1951
parity	-

decay mode	Keamatan (fizik)
ϵ (electron capture)	99.88%
α (α emission)	0.12%

²⁴⁶Bk

Nombor jisim	246
nombor neutron	149
jisim atom relatif	246.0686713 ± 0.000064433 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	1.8 ± 0.02 d
Spin	2
nuclear quadrupole moment
tarikh penemuan	1954
parity

decay mode	Keamatan (fizik)
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%
α (α emission)

²⁴⁷Bk

Nombor jisim	247
nombor neutron	150
jisim atom relatif	247.070305889 ± 0.00000557 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	1.38 ± 0.25 ky
Spin	3/2
nuclear quadrupole moment
tarikh penemuan	1965
parity	-

decay mode	Keamatan (fizik)
α (α emission)	100%
SF (spontaneous fission)

²⁴⁸Bk

Nombor jisim	248
nombor neutron	151
jisim atom relatif	248.073141689 ± 0.000053739 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat
Spin	6
nuclear quadrupole moment
tarikh penemuan	1956
parity	+

decay mode	Keamatan (fizik)
α (α emission)
ϵ (electron capture)

²⁴⁹Bk

Nombor jisim	249
nombor neutron	152
jisim atom relatif	249.074983118 ± 0.000001339 Da
g-factor	0.57142857142857 ± 0.11428571428571
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	327.2 ± 0.3 d
Spin	7/2
nuclear quadrupole moment
tarikh penemuan	1954
parity	+

decay mode	Keamatan (fizik)
β⁻ (β⁻ decay)	100%
α (α emission)	0.00145%
SF (spontaneous fission)	47%

²⁵⁰Bk

Nombor jisim	250
nombor neutron	153
jisim atom relatif	250.078317195 ± 0.00000311 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	3.212 ± 0.005 h
Spin	2
nuclear quadrupole moment
tarikh penemuan	1954
parity	-

decay mode	Keamatan (fizik)
β⁻ (β⁻ decay)	100%

²⁵¹Bk

Nombor jisim	251
nombor neutron	154
jisim atom relatif	251.080760555 ± 0.000011523 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	55.6 ± 1.1 m
Spin	3/2
nuclear quadrupole moment
tarikh penemuan	1967
parity	-

decay mode	Keamatan (fizik)
β⁻ (β⁻ decay)	100%

²⁵²Bk

Nombor jisim	252
nombor neutron	155
jisim atom relatif	252.08431 ± 0.000215 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	1.8 ± 0.5 m
Spin
nuclear quadrupole moment
tarikh penemuan	1988
parity

decay mode	Keamatan (fizik)
β⁻ (β⁻ decay)
α (α emission)

²⁵³Bk

Nombor jisim	253
nombor neutron	156
jisim atom relatif	253.08688 ± 0.000385 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat
Spin	3/2
nuclear quadrupole moment
tarikh penemuan	1991
parity	-

decay mode	Keamatan (fizik)
β⁻ (β⁻ decay)

²⁵⁴Bk

Nombor jisim	254
nombor neutron	157
jisim atom relatif	254.0906 ± 0.00032 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat
Spin
nuclear quadrupole moment
tarikh penemuan
parity

decay mode	Keamatan (fizik)
β⁻ (β⁻ decay)

sejarah

penemu atau pereka	G.T.Seaborg, S.G.Tompson, A.Ghiorso
tempat penemuan	United States
tarikh penemuan	1949
Etimologi	Named after Berkeley, California the city of its discovery.
sebutan	BURK-li-em (Inggeris)

sumber

Abundance
Abundance in Earth's crust
natural abundance (lautan)
natural abundance (Tubuh manusia)	0 %
natural abundance (Meteoroid)	0 %
natural abundance (Matahari)	0 %
Abundance in Universe	0 %

Nuclear Screening Constants

Berkelium on ChemicalAid

ChEBI ID	33391
ChemSpider ID	22409
DSSTOX compound identifier	DTXCID20147880
DrugBank ID	12993
ID Den Store Danske	berkelium
ID Elhuyar ZTH	021522
ID Encyclopædia Universalis	berkelium
ID Ensiklopedia Besar Rusia dalam talian	1860452
ID Ensiklopedia Britannica Dalam Talian	science/berkelium
ID Freebase	/m/025svnm
ID GND	4511718-4
ID Gran Enciclopèdia Catalana	0223127
ID J9U Perpustakaan Negara Israel	987007597623305171
ID KBpedia	Berkelium
ID NE.se	berkelium
ID Perbendaharaan Kata Pendidikan Australia	scot/2377
ID Store norske leksikon	berkelium
ID Treccani	berkelio
ID Vikidia Perancis	Berkélium
ID WordNet 3.1 Synset	14655312-n
ID bahan DSSTox	DTXSID70225389
ID kewibawaan Perpustakaan Kongres	sh2012004283
ID pemerihal MeSH	D001603
InChI	InChI=1S/Bk
InChIKey	PWVKJRSRVJTHTR-UHFFFAOYSA-N
Maksud Tertakrif OmegaWiki	156441
Probes And Drugs ID	PD058313
PubChem CID	23971
Römpp online ID	RD-02-00987
UNII	2YQA718KUU
USGS Thesaurus ID	1405
nombor pendaftaran CAS	7440-40-6

Berkelium (Bk)

Sifat Fizikal

Sifat Kimia

other

Isotopes of Berkelium

233Bk

234Bk

235Bk

236Bk

237Bk

238Bk

239Bk

240Bk

241Bk

242Bk

243Bk

244Bk

245Bk

246Bk

247Bk

248Bk

249Bk

250Bk

251Bk

252Bk

253Bk

254Bk

sejarah

sumber

Nuclear Screening Constants

²³³Bk

²³⁴Bk

²³⁵Bk

²³⁶Bk

²³⁷Bk

²³⁸Bk

²³⁹Bk

²⁴⁰Bk

²⁴¹Bk

²⁴²Bk

²⁴³Bk

²⁴⁴Bk

²⁴⁵Bk

²⁴⁶Bk

²⁴⁷Bk

²⁴⁸Bk

²⁴⁹Bk

²⁵⁰Bk

²⁵¹Bk

²⁵²Bk

²⁵³Bk

²⁵⁴Bk