Symbol
Fr
Ba
Panggil Group
12
0
17
👆🏻
Panggil periode
76
2
7
👆🏻
Block
s pemblokiran
s pemblokiran
Family unsur
alkali
alkalin bumi
CAS Number
74407357440393
7429905
54386242
👆🏻
Jeneng papan Group
-
3M Im_
Space Group Number
225.00229.00
11
276
👆🏻
Facts Interesting
- 223 Francium wis setengah urip paling dawa ing 21,8.
- Metal Francium diprodhuksi dening ALPHA bosok ing 227 Actinium 227.
- 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
Kawangun dening Process Bosok, Mining
bumi lemah ndhuwur, Found in Minerals, Mining, Ores saka Minerals
History
sing katutup
Marguerite Perey
Carl Wilhelm Scheele
Discovery
ing taun 1939
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
- Francium ora wis dikenal Efesus minangka wis urip setengah saka mung 22 menit.
- 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
27.00 ° C725.00 ° C
-38.83
3410
👆🏻
Boiling Point
677.00 ° C1,140.00 ° C
0
5660
👆🏻
katon
State fisik
Solid
Solid
warna
-
perak Gray
luster
-
-
atose
Mohs atose
0.201.25
0.2
8.5
👆🏻
Brinell atose
119.00 MPa130.00 MPa
0.14
3490
👆🏻
Vickers atose
300.00 MPa210.00 MPa
0
3920
👆🏻
Kacepetan swara
2,440.00 m / s1,620.00 m / s
818
16200
👆🏻
Properties Optical
bias Index
1.701.47
0.155
3.41
👆🏻
reflectivity
72.00 %65.00 %
5
97
👆🏻
allotropes
Ora
Ora
α allotropes
-
-
β allotropes
-
-
γ allotropes
-
-
Formula Kimia
Fr
Ba
isotop
Isotop dikenal
3337
0
38
👆🏻
keelektronegatifan
Pauling Elektronegativitas
0.700.89
0
2.6
👆🏻
Sanderson Elektronegativitas
0.700.68
0.22
2.56
👆🏻
Allred Rochow Elektronegativitas
0.860.97
0.86
1.9
👆🏻
Mulliken-Jaffe Elektronegativitas
0.680.88
0.62
2.48
👆🏻
Allen Elektronegativitas
0.670.88
0.659
2.7
👆🏻
Electropositivity
Pauling Electropositivity
3.303.11
1.46
3.3
👆🏻
tenogo ionisasi
Level Energy 1st
380.00 kJ / mol502.90 kJ / mol
375.7
26130
👆🏻
Level Energy 2
392.80 kJ / mol965.20 kJ / mol
392.8
28750
👆🏻
Level Energy 3rd
392.80 kJ / mol3,600.00 kJ / mol
392.8
34230
👆🏻
Level Energy 4
392.80 kJ / mol502.90 kJ / mol
375.7
37066
👆🏻
Level Energy 5th
392.00 kJ / mol5,020.00 kJ / mol
392
97510
👆🏻
Level Energy 6th
3,920.00 kJ / mol5,020.00 kJ / mol
1007
105800
👆🏻
tingkat Energy 7
3,920.00 kJ / mol5,020.00 kJ / mol
1007
114300
👆🏻
Level Energy 8
3,920.00 kJ / mol5,020.00 kJ / mol
730
125300
👆🏻
Level Energy 9
3,920.00 kJ / mol5,020.00 kJ / mol
1007
134700
👆🏻
Level Energy 10th
392.00 kJ / mol5,020.00 kJ / mol
392
144300
👆🏻
Level Energy 11
392.00 kJ / mol5,020.00 kJ / mol
392
169988
👆🏻
Level Energy 12
38,000.00 kJ / mol5,020.00 kJ / mol
0
189368
👆🏻
Level Energy 13
3,920.00 kJ / mol5,020.00 kJ / mol
1007
76015
👆🏻
Level Energy 14
380.00 kJ / mol5,020.00 kJ / mol
380
86450
👆🏻
Level Energy 15
67,700.00 kJ / mol50,200.00 kJ / mol
33000
100700
👆🏻
Level Energy 16
39,200.00 kJ / mol50,270.00 kJ / mol
375.7
109480
👆🏻
Level Energy 17
392.00 kJ / mol502.90 kJ / mol
375.7
122200
👆🏻
Level Energy 18
3,920.00 kJ / mol5,020.00 kJ / mol
0
134810
👆🏻
Level Energy 19
392.80 kJ / mol502.90 kJ / mol
375.7
148700
👆🏻
Level Energy 20
392.00 kJ / mol502.00 kJ / mol
0
171200
👆🏻
Level Energy 21
392.00 kJ / mol502.90 kJ / mol
375.7
179100
👆🏻
Level Energy 22
392.00 kJ / mol502.00 kJ / mol
330
184900
👆🏻
Level Energy 23rd
392.80 kJ / mol502.90 kJ / mol
357.6
198800
👆🏻
Level Energy 24
392.00 kJ / mol502.90 kJ / mol
297.3
195200
👆🏻
Level Energy 25th
392.00 kJ / mol503.00 kJ / mol
0
121900
👆🏻
Level Energy 26th
392.80 kJ / mol502.90 kJ / mol
357.6
127700
👆🏻
Level Energy 27th
392.00 kJ / mol502.90 kJ / mol
0
133800
👆🏻
Level Energy 28th
380.00 kJ / mol502.90 kJ / mol
297.3
139800
👆🏻
Level Energy 29
392.00 kJ / mol502.90 kJ / mol
0
148100
👆🏻
Level Energy 30
677.00 kJ / mol503.00 kJ / mol
0
154500
👆🏻
padha karo elektrokimia
8.32 g / amp-day2.56 g / amp-day
0.16812
8.3209
👆🏻
Fungsi Work elektron
4.07 eV2.70 eV
2.14
6
👆🏻
Properties Kimia liyane
ionisasi, Isotop radioaktif, Radioaktif, kelarutan
ionisasi, Isotop radioaktif, Radioaktif, kelarutan
Panggil atom
8756
3
117
👆🏻
Konfigurasi elektron
[Rn] 7s 1
[Xe] 6s 2
Struktur Crystal
Body tengah kubik (Bcc)
Body tengah kubik (Bcc)
Crystal pola
atom
Jumlah proton
8756
3
117
👆🏻
Jumlah Neutron
13681
4
285
👆🏻
Jumlah Èlèktron
8756
3
117
👆🏻
Radius saka Atom
Radius atom
348.00 pm222.00 pm
0
348
👆🏻
kovalen Radius
260.00 pm215.00 pm
0
260
👆🏻
Van der Waals Radius
348.00 pm268.00 pm
0
348
👆🏻
Bobot atom
223.00 Amu137.33 Amu
6.94
294
👆🏻
Volume atom
71.00 cm3 / mol39.24 cm3 / mol
1.39
71.07
👆🏻
Nomer atom jejer
unsur Previous
Sabanjure unsur
Potensi Valence Electron
8.00 (-eV)21.30 (-eV)
0
392.42
👆🏻
Constant pola
440.00 pm502.80 pm
0
891.25
👆🏻
pola Angles
-
π/2, π/2, π/2
Pola C / A rasio
1.561.57
0.423
1.9
👆🏻
Kapadhetan
Kapadhetan Ing suhu kamar
1.87 g / cm 33.51 g / cm 3
0.534
40.7
👆🏻
Kapadhetan Nalika Liquid (ing mp)
1.87 g / cm33.34 g / cm3
0.512
41
👆🏻
Strength tensile
50.00 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
3.60 GPA4.90 GPA
1.3
222
👆🏻
pengaturan akeh
6.00 GPA9.60 GPA
0
462
👆🏻
Young kang pengaturan
0.00 GPA13.00 GPA
0
528
👆🏻
Poisson rasio
0.440.22
0.032
0.47
👆🏻
Properties Teknik liyane
-
-
Ciri Magnetic
Gravitasi tartamtu
0.873.62
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 miskin
superconductor
resistivity
3.00 nΩ · m332.00 nΩ · m
0.1
961
👆🏻
konduktivitas listrik
0.03 10 6 / cm Ω0.03 10 6 / cm Ω
0
0.63
👆🏻
elektron Affinity
0.70 kJ / mol13.95 kJ / mol
0
222.8
👆🏻
Kalor tartamtu
0.15 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
15.00 W / m · K18.40 W / m · K
0
429
👆🏻
suhu kritis
300.00 K1,000.00 K
26.3
3695
👆🏻
Expansion termal
18.90 μm / (m · K)20.60 μm / (m · K)
4.5
97
👆🏻
enthalpy
Enthalpy panguapan
67.00 kJ / mol140.00 kJ / mol
7.32
799.1
👆🏻
Enthalpy saka Fusion
2.30 kJ / mol7.66 kJ / mol
2.1
35.23
👆🏻
Enthalpy saka atomization
71.00 kJ / mol175.70 kJ / mol
61.5
837
👆🏻
Standard molar Entropy
42.00 J / mol.K62.50 J / mol.K
9.5
198.1
👆🏻