Symbol
Bk
Ba
Panggil Group
142
0
17
👆🏻
Panggil periode
76
2
7
👆🏻
Block
pemblokiran f
s pemblokiran
Family unsur
actinide
alkalin bumi
CAS Number
74404067440393
7429905
54386242
👆🏻
Jeneng papan Group
P63 / mmc
3M Im_
Space Group Number
194.00229.00
11
276
👆🏻
Facts Interesting
- X-ray Diffraction- senyawa sing beda saka logam Berkelium sing dikenali nggunakake.
komersial saka logam Berkelium sing durung ditemokake.
- Barium gampang ngoksidasi ing udara.
- Kabeh senyawa beracun saka Barium bisa gampang larut ing banyu.
- Barium karbonat digunakake kanggo ngasilake racun tikus lan senyawa liyane Barium nitrat digunakake ing kembang api kanggo ngasilake werna ijo.
sumber
Némbakaké Americium karo Alpha partikel.
bumi lemah ndhuwur, Found in Minerals, Mining, Ores saka Minerals
History
sing katutup
Lawrence Berkeley National Laboratory
Carl Wilhelm Scheele
Discovery
ing taun 1949
ing taun 1772
turah mbrawah
Turah mbrawah Ing Universe
0.00 %0.00 %
0
0.11
👆🏻
Turah mbrawah Ing Sun
0.00 %0.00 %
0
0.1
👆🏻
Turah mbrawah Ing meteorit
0.00 %0.00 %
0
22
👆🏻
Turah mbrawah Ing bumi lemah ndhuwur
0.00 %0.03 %
1E-37
8.1
👆🏻
Turah mbrawah Ing Segara
-0.00 %
0
1.1
👆🏻
Turah mbrawah Ing Manungsa
0.00 %0.00 %
0
1.4
👆🏻
Ulah lan Wuku
- logam iki arang banget lan wis ora komersial.
- Punika digugat ing Manufaktur Paint kimia lan Manufaktur kaca.
- Senyawa saka logam beracun; nanging isih barium sulfat punika insoluble lan diwenehi kanggo patients gerah saka kelainan pencernaan.
Ulah Industrial
-
Industry amunisi, Industry automobile, Industry Listrik, Industry Elektronik
Ulah Medical
-
-
Ulah liyane
-
wesi
Properties biologi
keracunan
-
Low Toxic
Saiki ing badan Human
Ora
Ya
Sang
0.00 Sang / mg dm-30.07 Sang / mg dm-3
0
1970
👆🏻
ing Bone
0.00 ppm70.00 ppm
0
170000
👆🏻
leleh Point
986.00 ° C725.00 ° C
-38.83
3410
👆🏻
Boiling Point
2,627.00 ° C1,140.00 ° C
0
5660
👆🏻
katon
State fisik
Solid
Solid
warna
Silver
perak Gray
luster
metallic
-
atose
Mohs atose
6.001.25
0.2
8.5
👆🏻
Brinell atose
260.00 MPa130.00 MPa
0.14
3490
👆🏻
Vickers atose
1,070.00 MPa210.00 MPa
0
3920
👆🏻
Kacepetan swara
2,560.00 m / s1,620.00 m / s
818
16200
👆🏻
Properties Optical
bias Index
1.301.47
0.155
3.41
👆🏻
reflectivity
61.00 %65.00 %
5
97
👆🏻
allotropes
Ora
Ora
α allotropes
-
-
β allotropes
-
-
γ allotropes
-
-
Formula Kimia
Bk
Ba
isotop
Isotop dikenal
1437
0
38
👆🏻
keelektronegatifan
Pauling Elektronegativitas
1.300.89
0
2.6
👆🏻
Sanderson Elektronegativitas
1.300.68
0.22
2.56
👆🏻
Allred Rochow Elektronegativitas
1.200.97
0.86
1.9
👆🏻
Mulliken-Jaffe Elektronegativitas
1.300.88
0.62
2.48
👆🏻
Allen Elektronegativitas
2.700.88
0.659
2.7
👆🏻
Electropositivity
Pauling Electropositivity
2.703.11
1.46
3.3
👆🏻
tenogo ionisasi
Level Energy 1st
601.00 kJ / mol502.90 kJ / mol
375.7
26130
👆🏻
Level Energy 2
1,186.00 kJ / mol965.20 kJ / mol
392.8
28750
👆🏻
Level Energy 3rd
2,152.00 kJ / mol3,600.00 kJ / mol
392.8
34230
👆🏻
Level Energy 4
3,434.00 kJ / mol502.90 kJ / mol
375.7
37066
👆🏻
Level Energy 5th
6,010.00 kJ / mol5,020.00 kJ / mol
392
97510
👆🏻
Level Energy 6th
6,010.00 kJ / mol5,020.00 kJ / mol
1007
105800
👆🏻
tingkat Energy 7
6,010.00 kJ / mol5,020.00 kJ / mol
1007
114300
👆🏻
Level Energy 8
6,010.00 kJ / mol5,020.00 kJ / mol
730
125300
👆🏻
Level Energy 9
6,010.00 kJ / mol5,020.00 kJ / mol
1007
134700
👆🏻
Level Energy 10th
6,010.00 kJ / mol5,020.00 kJ / mol
392
144300
👆🏻
Level Energy 11
6,010.00 kJ / mol5,020.00 kJ / mol
392
169988
👆🏻
Level Energy 12
60,100.00 kJ / mol5,020.00 kJ / mol
0
189368
👆🏻
Level Energy 13
6,010.00 kJ / mol5,020.00 kJ / mol
1007
76015
👆🏻
Level Energy 14
6,010.00 kJ / mol5,020.00 kJ / mol
380
86450
👆🏻
Level Energy 15
60,100.00 kJ / mol50,200.00 kJ / mol
33000
100700
👆🏻
Level Energy 16
60,100.00 kJ / mol50,270.00 kJ / mol
375.7
109480
👆🏻
Level Energy 17
601.00 kJ / mol502.90 kJ / mol
375.7
122200
👆🏻
Level Energy 18
6,010.00 kJ / mol5,020.00 kJ / mol
0
134810
👆🏻
Level Energy 19
601.00 kJ / mol502.90 kJ / mol
375.7
148700
👆🏻
Level Energy 20
601.00 kJ / mol502.00 kJ / mol
0
171200
👆🏻
Level Energy 21
6,010.00 kJ / mol502.90 kJ / mol
375.7
179100
👆🏻
Level Energy 22
601.00 kJ / mol502.00 kJ / mol
330
184900
👆🏻
Level Energy 23rd
6,010.00 kJ / mol502.90 kJ / mol
357.6
198800
👆🏻
Level Energy 24
601.00 kJ / mol502.90 kJ / mol
297.3
195200
👆🏻
Level Energy 25th
601.00 kJ / mol503.00 kJ / mol
0
121900
👆🏻
Level Energy 26th
601.00 kJ / mol502.90 kJ / mol
357.6
127700
👆🏻
Level Energy 27th
601.00 kJ / mol502.90 kJ / mol
0
133800
👆🏻
Level Energy 28th
601.00 kJ / mol502.90 kJ / mol
297.3
139800
👆🏻
Level Energy 29
601.00 kJ / mol502.90 kJ / mol
0
148100
👆🏻
Level Energy 30
601.00 kJ / mol503.00 kJ / mol
0
154500
👆🏻
padha karo elektrokimia
3.07 g / amp-day2.56 g / amp-day
0.16812
8.3209
👆🏻
Fungsi Work elektron
4.90 eV2.70 eV
2.14
6
👆🏻
Properties Kimia liyane
ionisasi, Isotop radioaktif, Radioaktif
ionisasi, Isotop radioaktif, Radioaktif, kelarutan
Panggil atom
9756
3
117
👆🏻
Konfigurasi elektron
[Rn] 5F 9 7s 2
[Xe] 6s 2
Struktur Crystal
Double Hexagonal Tutup dikempalken (DHCP)
Body tengah kubik (Bcc)
Crystal pola
atom
Jumlah proton
9756
3
117
👆🏻
Jumlah Neutron
15081
4
285
👆🏻
Jumlah Èlèktron
9756
3
117
👆🏻
Radius saka Atom
Radius atom
170.00 pm222.00 pm
0
348
👆🏻
kovalen Radius
170.00 pm215.00 pm
0
260
👆🏻
Van der Waals Radius
244.00 pm268.00 pm
0
348
👆🏻
Bobot atom
247.00 Amu137.33 Amu
6.94
294
👆🏻
Volume atom
13.39 cm3 / mol39.24 cm3 / mol
1.39
71.07
👆🏻
Nomer atom jejer
unsur Previous
Sabanjure unsur
Potensi Valence Electron
45.50 (-eV)21.30 (-eV)
0
392.42
👆🏻
Constant pola
341.60 pm502.80 pm
0
891.25
👆🏻
pola Angles
π/2, π/2, 2 π/3
π/2, π/2, π/2
Pola C / A rasio
1.571.57
0.423
1.9
👆🏻
Kapadhetan
Kapadhetan Ing suhu kamar
14.78 g / cm 33.51 g / cm 3
0.534
40.7
👆🏻
Kapadhetan Nalika Liquid (ing mp)
13.25 g / cm33.34 g / cm3
0.512
41
👆🏻
Strength tensile
70.00 MPa55.00 MPa
0.1
11000
👆🏻
viskositas
0.000.00
1.5E-05
0.0035
👆🏻
meksa beluk
Meksa beluk ing 1000 K
0.00 (Pa)7.11 (Pa)
0
121
👆🏻
Meksa beluk ing 2000 K
0.00 (Pa)0.00 (Pa)
0
774
👆🏻
situs kelenturan
nyukur pengaturan
27.00 GPA4.90 GPA
1.3
222
👆🏻
pengaturan akeh
13.00 GPA9.60 GPA
0
462
👆🏻
Young kang pengaturan
13.00 GPA13.00 GPA
0
528
👆🏻
Poisson rasio
0.350.22
0.032
0.47
👆🏻
Properties Teknik liyane
-
-
Ciri Magnetic
Gravitasi tartamtu
14.003.62
0.53
4500
👆🏻
Nindakake Magnetic
paramagnetic
paramagnetic
permeabilitas
0.00 H / m0.00 H / m
1.25643E-06
0.0063
👆🏻
kelemahan
0.000.00
-0.000166
200000
👆🏻
Properties Listrik
Property Listrik
Arman
superconductor
resistivity
7.60 nΩ · m332.00 nΩ · m
0.1
961
👆🏻
konduktivitas listrik
0.10 10 6 / cm Ω0.03 10 6 / cm Ω
0
0.63
👆🏻
elektron Affinity
0.00 kJ / mol13.95 kJ / mol
0
222.8
👆🏻
Kalor tartamtu
0.10 J / (kg K)0.20 J / (kg K)
0.1
3.6
👆🏻
Graham Kapasitas kalor
27.00 J / mol · K28.07 J / mol · K
13.1
62.7
👆🏻
doyo termal
10.00 W / m · K18.40 W / m · K
0
429
👆🏻
suhu kritis
1,323.00 K1,000.00 K
26.3
3695
👆🏻
Expansion termal
13.25 μm / (m · K)20.60 μm / (m · K)
4.5
97
👆🏻
enthalpy
Enthalpy panguapan
380.00 kJ / mol140.00 kJ / mol
7.32
799.1
👆🏻
Enthalpy saka Fusion
13.25 kJ / mol7.66 kJ / mol
2.1
35.23
👆🏻
Enthalpy saka atomization
601.00 kJ / mol175.70 kJ / mol
61.5
837
👆🏻
Standard molar Entropy
52.00 J / mol.K62.50 J / mol.K
9.5
198.1
👆🏻