Francium mungsuh sesium
Tabel périodik
Symbol
Fr
Cs
Panggil Group
1
17
1
17
Panggil periode
7
6
Block
s pemblokiran
s pemblokiran
Family unsur
alkali
alkali
CAS Number
7440735
18
7440462
40
Jeneng papan Group
ora Sumadhiya
3M Im_
Space Group Number
ora Sumadhiya
229.00
1
facts
Facts Interesting
- 223 Francium wis setengah urip paling dawa ing 21,8.
- Metal Francium diprodhuksi dening ALPHA bosok ing 227 Actinium 227.
ora Cepak
sumber
Kawangun dening Process Bosok, Mining
bumi lemah ndhuwur, Found in Minerals, Mining, Ores saka Minerals
History
sing katutup
Marguerite Perey
Robert Bunsen and Gustav Kirchhoff
Discovery
ing taun 1939
ing taun 1860
turah mbrawah
Turah mbrawah Ing Universe
ora Sumadhiya
8 * 10-8 %
24
Turah mbrawah Ing Sun
~-9999 %
~0.0000008 %
20
Turah mbrawah Ing meteorit
ora Sumadhiya
0.00 %
38
Turah mbrawah Ing bumi lemah ndhuwur
ora Sumadhiya
0.00 %
35
Turah mbrawah Ing Segara
ora Sumadhiya
0.00 %
17
Turah mbrawah Ing Manungsa
ora Sumadhiya
0.00 %
17
ulah
Ulah lan Wuku
- Francium ora wis dikenal Efesus minangka wis urip setengah saka mung 22 menit.
- nggunakake paling umum saka logam Sesium yaiku adi ngebur. Sampeyan uga dipigunakaké ing Manufaktur kaca optik.
- Ing tabung vakum lan peralatan monitor radiation logam iki digunakake minangka katalis tukang promosi.
Ulah Industrial
NA
Industry Aerospace, Industry automobile, Industry Listrik, Industry Elektronik
Ulah Medical
NA
NA
Ulah liyane
NA
wesi
Properties biologi
keracunan
NA
mildly Toxic
Saiki ing badan Human
Ora
Ya
Sang
0.00 Sang / mg dm-3
37
0.00 Sang / mg dm-3
28
ing Bone
0.00 ppm
36
0.05 ppm
26
fisik Properties
leleh Point
27.00 ° C
99+
28.50 ° C
99+
Boiling Point
677.00 ° C
99+
678.40 ° C
99+
katon
State fisik
Solid
Solid
warna
NA
Gold perak
luster
NA
NA
atose
Mohs atose
ora Sumadhiya
0.20
25
Brinell atose
ora Sumadhiya
0.14 MPa
99+
Kacepetan swara
ora Sumadhiya
ora Sumadhiya
Properties Optical
allotropes
Ora
Ora
α allotropes
ora Sumadhiya
ora Sumadhiya
β allotropes
ora Sumadhiya
ora Sumadhiya
γ allotropes
ora Sumadhiya
ora Sumadhiya
Kimia Properties
Formula Kimia
Fr
Cs
isotop
Isotop dikenal
33
6
36
3
keelektronegatifan
Pauling Elektronegativitas
0.70
99+
0.79
99+
Sanderson Elektronegativitas
ora Sumadhiya
0.22
33
Allred Rochow Elektronegativitas
0.86
99+
0.86
99+
Mulliken-Jaffe Elektronegativitas
0.68
25
0.62
26
Allen Elektronegativitas
0.67
99+
0.66
99+
Electropositivity
Pauling Electropositivity
3.30
1
3.21
2
tenogo ionisasi
Level Energy 1st
380.00 kJ / mol
99+
375.70 kJ / mol
99+
Level Energy 2
ora Sumadhiya
2,234.30 kJ / mol
8
Level Energy 3rd
ora Sumadhiya
3,400.00 kJ / mol
16
padha karo elektrokimia
8.32 g / amp-day
1
4.96 g / amp-day
3
Fungsi Work elektron
ora Sumadhiya
2.14 eV
99+
Properties Kimia liyane
ionisasi, Isotop radioaktif, Radioaktif, kelarutan
Kimia Stabilitas, Corrosion, ionisasi, Isotop radioaktif, kelarutan
atom Properties
Panggil atom
87
31
55
99+
Konfigurasi elektron
[Rn] 7s 1
[Xe] 6s 1
Struktur Crystal
Body tengah kubik (Bcc)
Body tengah kubik (Bcc)
Crystal pola
BCC-Crystal-Structure-.jpg#100
BCC-Crystal-Structure-.jpg#100
atom
Jumlah proton
87
31
55
99+
Jumlah Neutron
136
17
78
99+
Jumlah Èlèktron
87
31
55
99+
Radius saka Atom
Radius atom
ora Sumadhiya
265.00 pm
1
kovalen Radius
260.00 pm
1
244.00 pm
2
Van der Waals Radius
348.00 pm
1
343.00 pm
2
Bobot atom
223.00 Amu
27
132.91 Amu
99+
Volume atom
ora Sumadhiya
71.07 cm3 / mol
1
Nomer atom jejer
Potensi Valence Electron
8.00 (-eV)
99+
8.62 (-eV)
99+
Constant pola
ora Sumadhiya
614.10 pm
5
pola Angles
NA
π/2, π/2, π/2
Pola C / A rasio
ora Sumadhiya
ora Sumadhiya
Teknik Properties
Kapadhetan
Kapadhetan Ing suhu kamar
1.87 g / cm 3
99+
1.93 g / cm 3
99+
Kapadhetan Nalika Liquid (ing mp)
ora Sumadhiya
1.84 g / cm3
99+
Strength tensile
ora Sumadhiya
ora Sumadhiya
viskositas
ora Sumadhiya
ora Sumadhiya
meksa beluk
situs kelenturan
pengaturan akeh
ora Sumadhiya
1.60 GPA
99+
Young kang pengaturan
ora Sumadhiya
1.70 GPA
99+
Poisson rasio
ora Sumadhiya
ora Sumadhiya
Properties Teknik liyane
NA
ductile
Magnetic Properties
Ciri Magnetic
Gravitasi tartamtu
ora Sumadhiya
1.87
99+
Nindakake Magnetic
paramagnetic
paramagnetic
Properties Listrik
Property Listrik
Arman miskin
Semiconductor
resistivity
3.00 nΩ · m
99+
205.00 nΩ · m
17
konduktivitas listrik
0.03 10 6 / cm Ω
40
0.05 10 6 / cm Ω
35
elektron Affinity
ora Sumadhiya
45.50 kJ / mol
25
termal Properties
Kalor tartamtu
ora Sumadhiya
0.24 J / (kg K)
23
Graham Kapasitas kalor
ora Sumadhiya
32.21 J / mol · K
4
doyo termal
15.00 W / m · K
99+
35.90 W / m · K
36
suhu kritis
ora Sumadhiya
1,938.00 K
5
Expansion termal
ora Sumadhiya
97.00 μm / (m · K)
1
enthalpy
Enthalpy panguapan
ora Sumadhiya
65.90 kJ / mol
99+
Enthalpy saka Fusion
ora Sumadhiya
2.10 kJ / mol
99+
Enthalpy saka atomization
71.00 kJ / mol
99+
78.20 kJ / mol
99+
Standard molar Entropy
ora Sumadhiya
85.20 J / mol.K
3
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