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barium metal
barium


Tabel périodik
Symbol
Ba
Panggil Group
2 16
Panggil periode
6 2
Block
s pemblokiran
Family unsur
alkalin bumi
CAS Number
7440393 45
Jeneng papan Group
3M Im_
Space Group Number
229.00 2
facts
Facts Interesting
  • 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
bumi lemah ndhuwur, Found in Minerals, Mining, Ores saka Minerals
History
sing katutup
Carl Wilhelm Scheele
Discovery
ing taun 1772
turah mbrawah
Turah mbrawah Ing Universe
0.00 % 17
Turah mbrawah Ing Sun
0.00 % 18
Turah mbrawah Ing meteorit
0.00 % 20
Turah mbrawah Ing bumi lemah ndhuwur
0.03 % 11
Turah mbrawah Ing Segara
0.00 % 8
Turah mbrawah Ing Manungsa
0.00 % 13
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.
Ulah Industrial
Industry amunisi, Industry automobile, Industry Listrik, Industry Elektronik
Ulah Medical
-
Ulah liyane
wesi
Properties biologi
keracunan
Low Toxic
Saiki ing badan Human
Ya
Sang
0.07 Sang / mg dm-3 15
ing Bone
70.00 ppm 9
fisik
leleh Point
725.00 ° C 58
Boiling Point
1,140.00 ° C 66
katon
State fisik
Solid
warna
perak Gray
luster
-
atose
Mohs atose
1.25 20
Brinell atose
130.00 MPa 57
Vickers atose
210.00 MPa 52
Kacepetan swara
1,620.00 m / s 65
Properties Optical
bias Index
1.47 38
reflectivity
65.00 % 18
allotropes
Ora
α allotropes
-
β allotropes
-
γ allotropes
-
Kimia
Formula Kimia
Ba
isotop
Isotop dikenal
37 2
keelektronegatifan
Pauling Elektronegativitas
0.89 51
Sanderson Elektronegativitas
0.68 48
Allred Rochow Elektronegativitas
0.97 39
Mulliken-Jaffe Elektronegativitas
0.88 51
Allen Elektronegativitas
0.88 61
Electropositivity
Pauling Electropositivity
3.11 4
tenogo ionisasi
Level Energy 1st
502.90 kJ / mol 83
Level Energy 2
965.20 kJ / mol 83
Level Energy 3rd
3,600.00 kJ / mol 14
Level Energy 4
502.90 kJ / mol 85
Level Energy 5th
5,020.00 kJ / mol 74
Level Energy 6th
5,020.00 kJ / mol 86
tingkat Energy 7
5,020.00 kJ / mol 78
Level Energy 8
5,020.00 kJ / mol 76
Level Energy 9
5,020.00 kJ / mol 77
Level Energy 10th
5,020.00 kJ / mol 74
Level Energy 11
5,020.00 kJ / mol 79
Level Energy 12
5,020.00 kJ / mol 82
Level Energy 13
5,020.00 kJ / mol 72
Level Energy 14
5,020.00 kJ / mol 56
Level Energy 15
50,200.00 kJ / mol 72
Level Energy 16
50,270.00 kJ / mol 58
Level Energy 17
502.90 kJ / mol 87
Level Energy 18
5,020.00 kJ / mol 72
Level Energy 19
502.90 kJ / mol 86
Level Energy 20
502.00 kJ / mol 76
Level Energy 21
502.90 kJ / mol 86
Level Energy 22
502.00 kJ / mol 70
Level Energy 23rd
502.90 kJ / mol 82
Level Energy 24
502.90 kJ / mol 82
Level Energy 25th
503.00 kJ / mol 74
Level Energy 26th
502.90 kJ / mol 82
Level Energy 27th
502.90 kJ / mol 77
Level Energy 28th
502.90 kJ / mol 80
Level Energy 29
502.90 kJ / mol 83
Level Energy 30
503.00 kJ / mol 77
padha karo elektrokimia
2.56 g / amp-day 24
Fungsi Work elektron
2.70 eV 52
Properties Kimia liyane
ionisasi, Isotop radioaktif, Radioaktif, kelarutan
atom
Panggil atom
56 60
Konfigurasi elektron
[Xe] 6s 2
Struktur Crystal
Body tengah kubik (Bcc)
Crystal pola
BCC-Crystal-Structure-.jpg#100
atom
Jumlah proton
56 59
Jumlah Neutron
81 43
Jumlah Èlèktron
56 59
Radius saka Atom
Radius atom
222.00 pm 5
kovalen Radius
215.00 pm 5
Van der Waals Radius
268.00 pm 8
Bobot atom
137.33 Amu 54
Volume atom
39.24 cm3 / mol 6
Nomer atom jejer
unsur Previous
40
Sabanjure unsur
72
Potensi Valence Electron
21.30 (-eV) 61
Constant pola
502.80 pm 17
pola Angles
π/2, π/2, π/2
Pola C / A rasio
1.57 41
Teknik
Kapadhetan
Kapadhetan Ing suhu kamar
3.51 g / cm 3 77
Kapadhetan Nalika Liquid (ing mp)
3.34 g / cm3 79
Strength tensile
55.00 MPa 37
viskositas
0.00 2
meksa beluk
Meksa beluk ing 1000 K
7.11 (Pa) 6
Meksa beluk ing 2000 K
0.00 (Pa) 30
situs kelenturan
nyukur pengaturan
4.90 GPA 60
pengaturan akeh
9.60 GPA 59
Young kang pengaturan
13.00 GPA 56
Poisson rasio
0.22 31
Properties Teknik liyane
-
Magnetic
Ciri Magnetic
Gravitasi tartamtu
3.62 76
Nindakake Magnetic
paramagnetic
permeabilitas
0.00 H / m 15
kelemahan
0.00 24
Properties Listrik
Property Listrik
superconductor
resistivity
332.00 nΩ · m 13
konduktivitas listrik
0.03 10 6 / cm Ω 45
elektron Affinity
13.95 kJ / mol 42
termal
Kalor tartamtu
0.20 J / (kg K) 31
Graham Kapasitas kalor
28.07 J / mol · K 15
doyo termal
18.40 W / m · K 47
suhu kritis
1,000.00 K 60
Expansion termal
20.60 μm / (m · K) 24
enthalpy
Enthalpy panguapan
140.00 kJ / mol 71
Enthalpy saka Fusion
7.66 kJ / mol 49
Enthalpy saka atomization
175.70 kJ / mol 61
Standard molar Entropy
62.50 J / mol.K 25
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