barium mungsuh berkelium
Tabel périodik
Symbol
Ba
Bk
Panggil Group
2
16
ora Sumadhiya
Panggil periode
6
7
Block
s pemblokiran
pemblokiran f
Family unsur
alkalin bumi
actinide
CAS Number
7440393
99+
7440406
99+
Jeneng papan Group
3M Im_
P63 / mmc
Space Group Number
229.00
1
194.00
5
facts
Facts Interesting
Character length exceed error
- X-ray Diffraction- senyawa sing beda saka logam Berkelium sing dikenali nggunakake.
- komersial saka logam Berkelium sing durung ditemokake.
sumber
bumi lemah ndhuwur, Found in Minerals, Mining, Ores saka Minerals
Némbakaké Americium karo Alpha partikel.
History
sing katutup
Carl Wilhelm Scheele
Lawrence Berkeley National Laboratory
Discovery
ing taun 1772
ing taun 1949
turah mbrawah
Turah mbrawah Ing Universe
1 * 10-6 %
16
ora Sumadhiya
Turah mbrawah Ing Sun
~0.000001 %
18
~-9999 %
Turah mbrawah Ing meteorit
0.00 %
20
ora Sumadhiya
Turah mbrawah Ing bumi lemah ndhuwur
0.03 %
11
ora Sumadhiya
Turah mbrawah Ing Segara
0.00 %
8
ora Sumadhiya
Turah mbrawah Ing Manungsa
0.00 %
12
ora Sumadhiya
ulah
Ulah lan Wuku
- 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.
- logam iki arang banget lan wis ora komersial.
Ulah Industrial
Industry amunisi, Industry automobile, Industry Listrik, Industry Elektronik
NA
Ulah Medical
NA
NA
Ulah liyane
wesi
NA
Properties biologi
keracunan
Low Toxic
Unknown
Saiki ing badan Human
Ya
Ora
Sang
0.07 Sang / mg dm-3
15
0.00 Sang / mg dm-3
37
ing Bone
70.00 ppm
9
0.00 ppm
36
fisik Properties
leleh Point
725.00 ° C
99+
986.00 ° C
99+
Boiling Point
1,140.00 ° C
99+
2,627.00 ° C
40
katon
State fisik
Solid
Solid
warna
perak Gray
Silver
luster
NA
metallic
atose
Mohs atose
1.25
19
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Kacepetan swara
1,620.00 m / s
99+
ora Sumadhiya
Properties Optical
allotropes
Ora
Ora
α allotropes
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β allotropes
ora Sumadhiya
ora Sumadhiya
γ allotropes
ora Sumadhiya
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Kimia Properties
Formula Kimia
Ba
Bk
isotop
Isotop dikenal
37
2
14
25
keelektronegatifan
Pauling Elektronegativitas
0.89
99+
1.30
32
Sanderson Elektronegativitas
0.68
28
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Allred Rochow Elektronegativitas
0.97
38
1.20
27
Mulliken-Jaffe Elektronegativitas
0.88
22
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Allen Elektronegativitas
0.88
99+
2.70
1
Electropositivity
Pauling Electropositivity
3.11
4
2.70
22
tenogo ionisasi
Level Energy 1st
502.90 kJ / mol
99+
601.00 kJ / mol
99+
Level Energy 2
965.20 kJ / mol
99+
1,186.00 kJ / mol
99+
Level Energy 3rd
3,600.00 kJ / mol
14
2,152.00 kJ / mol
99+
Level Energy 4
ora Sumadhiya
3,434.00 kJ / mol
99+
padha karo elektrokimia
2.56 g / amp-day
20
3.07 g / amp-day
16
Fungsi Work elektron
2.70 eV
99+
ora Sumadhiya
Properties Kimia liyane
ionisasi, Isotop radioaktif, Radioaktif, kelarutan
ionisasi, Isotop radioaktif, Radioaktif
atom Properties
Panggil atom
56
99+
97
21
Konfigurasi elektron
[Xe] 6s 2
[Rn] 5F 9 7s 2
Struktur Crystal
Body tengah kubik (Bcc)
Double Hexagonal Tutup dikempalken (DHCP)
Crystal pola
BCC-Crystal-Structure-.jpg#100
DHCP-Crystal-Structure-of-Berkelium.jpg#100
atom
Jumlah proton
56
99+
97
21
Jumlah Neutron
81
99+
150
11
Jumlah Èlèktron
56
99+
97
21
Radius saka Atom
Radius atom
222.00 pm
4
170.00 pm
22
kovalen Radius
215.00 pm
5
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Van der Waals Radius
268.00 pm
6
ora Sumadhiya
Bobot atom
137.33 Amu
99+
247.00 Amu
18
Volume atom
39.24 cm3 / mol
5
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Nomer atom jejer
Potensi Valence Electron
21.30 (-eV)
99+
45.50 (-eV)
36
Constant pola
502.80 pm
15
341.60 pm
99+
pola Angles
π/2, π/2, π/2
π/2, π/2, 2 π/3
Pola C / A rasio
ora Sumadhiya
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Teknik Properties
Kapadhetan
Kapadhetan Ing suhu kamar
3.51 g / cm 3
99+
14.78 g / cm 3
22
Kapadhetan Nalika Liquid (ing mp)
3.34 g / cm3
99+
13.25 g / cm3
11
Strength tensile
ora Sumadhiya
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viskositas
ora Sumadhiya
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meksa beluk
Meksa beluk ing 1000 K
7.11 (Pa)
6
ora Sumadhiya
situs kelenturan
nyukur pengaturan
4.90 GPA
99+
ora Sumadhiya
pengaturan akeh
9.60 GPA
99+
ora Sumadhiya
Young kang pengaturan
13.00 GPA
99+
ora Sumadhiya
Poisson rasio
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Properties Teknik liyane
NA
NA
Magnetic Properties
Ciri Magnetic
Gravitasi tartamtu
3.62
99+
14.00
14
Nindakake Magnetic
paramagnetic
paramagnetic
Properties Listrik
Property Listrik
superconductor
Arman
resistivity
332.00 nΩ · m
13
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konduktivitas listrik
0.03 10 6 / cm Ω
40
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elektron Affinity
13.95 kJ / mol
36
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termal Properties
Kalor tartamtu
0.20 J / (kg K)
30
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Graham Kapasitas kalor
28.07 J / mol · K
12
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doyo termal
18.40 W / m · K
99+
10.00 W / m · K
99+
suhu kritis
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Expansion termal
20.60 μm / (m · K)
22
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enthalpy
Enthalpy panguapan
140.00 kJ / mol
99+
ora Sumadhiya
Enthalpy saka Fusion
7.66 kJ / mol
99+
ora Sumadhiya
Enthalpy saka atomization
175.70 kJ / mol
99+
ora Sumadhiya
Standard molar Entropy
62.50 J / mol.K
20
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