sesium mungsuh Samarium
Tabel périodik
Symbol
Cs
Sm
Panggil Group
1
17
ora Sumadhiya
Panggil periode
6
6
Block
s pemblokiran
pemblokiran f
Family unsur
alkali
lanthanide
CAS Number
7440462
40
7440199
99+
Jeneng papan Group
3M Im_
R_ 3M
Space Group Number
229.00
1
166.00
6
facts
Facts Interesting
ora Cepak
- Samarium logam mbantu menehi pancingan metabolisme awak.
- Samarium logam ana 1st diamati dening Jean Charles Galissard de Marignac ing Dydimia ing 1853.
sumber
bumi lemah ndhuwur, Found in Minerals, Mining, Ores saka Minerals
Found in Minerals, Mining, Ores saka Minerals
History
sing katutup
Robert Bunsen and Gustav Kirchhoff
Lecoq de Boisbaudran
Discovery
ing taun 1860
ing taun 1879
turah mbrawah
Turah mbrawah Ing Universe
8 * 10-8 %
24
5 * 10-7 %
19
Turah mbrawah Ing Sun
~0.0000008 %
20
~0.0000001 %
26
Turah mbrawah Ing meteorit
0.00 %
38
0.00 %
37
Turah mbrawah Ing bumi lemah ndhuwur
0.00 %
35
0.00 %
29
Turah mbrawah Ing Segara
0.00 %
17
0.00 %
40
Turah mbrawah Ing Manungsa
0.00 %
17
ora Sumadhiya
ulah
Ulah lan Wuku
- 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.
Character length exceed error
Ulah Industrial
Industry Aerospace, Industry automobile, Industry Listrik, Industry Elektronik
Industry Aerospace, Industry automobile, Industri Kimia, Industry Listrik, Industry Elektronik
Ulah Medical
NA
NA
Ulah liyane
wesi
wesi, Ing Reactors Nuclear
Properties biologi
keracunan
mildly Toxic
rada Toxic
Saiki ing badan Human
Ya
Ya
Sang
0.00 Sang / mg dm-3
28
0.01 Sang / mg dm-3
22
ing Bone
0.05 ppm
26
ora Sumadhiya
fisik Properties
leleh Point
28.50 ° C
99+
1,072.00 ° C
99+
Boiling Point
678.40 ° C
99+
1,900.00 ° C
99+
katon
State fisik
Solid
Solid
warna
Gold perak
perak Putih
luster
NA
lustrous
atose
Mohs atose
0.20
25
ora Sumadhiya
Brinell atose
0.14 MPa
99+
441.00 MPa
27
Vickers atose
ora Sumadhiya
412.00 MPa
24
Kacepetan swara
ora Sumadhiya
2,130.00 m / s
99+
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
Cs
Sm
isotop
Isotop dikenal
36
3
30
9
keelektronegatifan
Pauling Elektronegativitas
0.79
99+
1.17
40
Sanderson Elektronegativitas
0.22
33
ora Sumadhiya
Allred Rochow Elektronegativitas
0.86
99+
1.07
32
Mulliken-Jaffe Elektronegativitas
0.62
26
ora Sumadhiya
Allen Elektronegativitas
0.66
99+
ora Sumadhiya
Electropositivity
Pauling Electropositivity
3.21
2
2.83
14
tenogo ionisasi
Level Energy 1st
375.70 kJ / mol
99+
544.50 kJ / mol
99+
Level Energy 2
2,234.30 kJ / mol
8
1,070.00 kJ / mol
99+
Level Energy 3rd
3,400.00 kJ / mol
16
2,260.00 kJ / mol
99+
Level Energy 4
ora Sumadhiya
3,990.00 kJ / mol
37
padha karo elektrokimia
4.96 g / amp-day
3
1.87 g / amp-day
34
Fungsi Work elektron
2.14 eV
99+
2.70 eV
99+
Properties Kimia liyane
Kimia Stabilitas, Corrosion, ionisasi, Isotop radioaktif, kelarutan
ionisasi, Isotop radioaktif
atom Properties
Panggil atom
55
99+
62
99+
Konfigurasi elektron
[Xe] 6s 1
[Xe] 4F 6 6s 2
Struktur Crystal
Body tengah kubik (Bcc)
Rhombohedral (RHO)
Crystal pola
BCC-Crystal-Structure-.jpg#100
RHO-Crystal-Structure-of-Samarium.jpg#100
atom
Jumlah proton
55
99+
62
99+
Jumlah Neutron
78
99+
88
39
Jumlah Èlèktron
55
99+
62
99+
Radius saka Atom
Radius atom
265.00 pm
1
180.00 pm
14
kovalen Radius
244.00 pm
2
198.00 pm
13
Van der Waals Radius
343.00 pm
2
229.00 pm
20
Bobot atom
132.91 Amu
99+
150.36 Amu
99+
Volume atom
71.07 cm3 / mol
1
19.95 cm3 / mol
19
Nomer atom jejer
Potensi Valence Electron
8.62 (-eV)
99+
44.80 (-eV)
37
Constant pola
614.10 pm
5
362.10 pm
33
pola Angles
π/2, π/2, π/2
π/2, π/2, 2 π/3
Pola C / A rasio
ora Sumadhiya
ora Sumadhiya
Teknik Properties
Kapadhetan
Kapadhetan Ing suhu kamar
1.93 g / cm 3
99+
7.52 g / cm 3
99+
Kapadhetan Nalika Liquid (ing mp)
1.84 g / cm3
99+
7.16 g / cm3
32
Strength tensile
ora Sumadhiya
ora Sumadhiya
viskositas
ora Sumadhiya
ora Sumadhiya
meksa beluk
Meksa beluk ing 1000 K
ora Sumadhiya
0.94 (Pa)
9
situs kelenturan
nyukur pengaturan
ora Sumadhiya
19.50 GPA
34
pengaturan akeh
1.60 GPA
99+
37.80 GPA
35
Young kang pengaturan
1.70 GPA
99+
49.70 GPA
37
Poisson rasio
ora Sumadhiya
0.27
19
Properties Teknik liyane
ductile
NA
Magnetic Properties
Ciri Magnetic
Gravitasi tartamtu
1.87
99+
7.52
99+
Nindakake Magnetic
paramagnetic
paramagnetic
Properties Listrik
Property Listrik
Semiconductor
Arman
resistivity
205.00 nΩ · m
17
0.94 nΩ · m
99+
konduktivitas listrik
0.05 10 6 / cm Ω
35
0.01 10 6 / cm Ω
99+
elektron Affinity
45.50 kJ / mol
25
50.00 kJ / mol
21
termal Properties
Kalor tartamtu
0.24 J / (kg K)
23
0.20 J / (kg K)
31
Graham Kapasitas kalor
32.21 J / mol · K
4
29.54 J / mol · K
7
doyo termal
35.90 W / m · K
36
13.30 W / m · K
99+
suhu kritis
1,938.00 K
5
ora Sumadhiya
Expansion termal
97.00 μm / (m · K)
1
12.70 μm / (m · K)
30
enthalpy
Enthalpy panguapan
65.90 kJ / mol
99+
166.40 kJ / mol
99+
Enthalpy saka Fusion
2.10 kJ / mol
99+
8.62 kJ / mol
40
Enthalpy saka atomization
78.20 kJ / mol
99+
209.00 kJ / mol
99+
Standard molar Entropy
85.20 J / mol.K
3
69.60 J / mol.K
15
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