Samarium mungsuh lutetium
Tabel périodik
Symbol
Sm
Lu
Panggil Group
ora Sumadhiya
ora Sumadhiya
Panggil periode
6
6
Block
pemblokiran f
pemblokiran f
Family unsur
lanthanide
lanthanide
CAS Number
7440199
99+
7439943
99+
Jeneng papan Group
R_ 3M
P63 / mmc
Space Group Number
166.00
6
194.00
5
facts
Facts Interesting
- Samarium logam mbantu menehi pancingan metabolisme awak.
- Samarium logam ana 1st diamati dening Jean Charles Galissard de Marignac ing Dydimia ing 1853.
- Metal lebuning Lutetium unsur punika Highly mbledhos.
- Lutetium logam resistance karat lan tumindak stabil ing udhara.
sumber
Found in Minerals, Mining, Ores saka Minerals
Found in Minerals, Mining, Ores saka Minerals
History
sing katutup
Lecoq de Boisbaudran
Georges Urbain and Carl Auer von Welsbach
Discovery
ing taun 1879
ing taun 1906
turah mbrawah
Turah mbrawah Ing Universe
5 * 10-7 %
19
1 * 10-8 %
30
Turah mbrawah Ing Sun
~0.0000001 %
26
~0.0000001 %
26
Turah mbrawah Ing meteorit
0.00 %
37
0.00 %
99+
Turah mbrawah Ing bumi lemah ndhuwur
0.00 %
29
0.00 %
99+
Turah mbrawah Ing Segara
0.00 %
40
0.00 %
99+
ulah
Ulah lan Wuku
Character length exceed error
- Lutetium logam digunakake njaba riset. Wis komersial kaya katalis Industrial kanggo gawe panyulingan lenga hidrokarbon.
Ulah Industrial
Industry Aerospace, Industry automobile, Industri Kimia, Industry Listrik, Industry Elektronik
NA
Ulah Medical
NA
NA
Ulah liyane
wesi, Ing Reactors Nuclear
wesi
Properties biologi
keracunan
rada Toxic
Low Toxic
Saiki ing badan Human
Ya
Ora
Sang
0.01 Sang / mg dm-3
22
ora Sumadhiya
fisik Properties
leleh Point
1,072.00 ° C
99+
1,652.00 ° C
19
Boiling Point
1,900.00 ° C
99+
3,402.00 ° C
19
katon
State fisik
Solid
Solid
warna
perak Putih
perak Putih
luster
lustrous
metallic
atose
Brinell atose
441.00 MPa
27
893.00 MPa
10
Vickers atose
412.00 MPa
24
1,160.00 MPa
8
Kacepetan swara
2,130.00 m / s
99+
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
Sm
Lu
isotop
Isotop dikenal
30
9
35
4
keelektronegatifan
Pauling Elektronegativitas
1.17
40
1.27
34
Allred Rochow Elektronegativitas
1.07
32
1.14
28
Electropositivity
Pauling Electropositivity
2.83
14
2.73
20
tenogo ionisasi
Level Energy 1st
544.50 kJ / mol
99+
523.50 kJ / mol
99+
Level Energy 2
1,070.00 kJ / mol
99+
1,340.00 kJ / mol
99+
Level Energy 3rd
2,260.00 kJ / mol
99+
2,022.30 kJ / mol
99+
Level Energy 4
3,990.00 kJ / mol
37
4,370.00 kJ / mol
28
Level Energy 5th
ora Sumadhiya
6,445.00 kJ / mol
21
padha karo elektrokimia
1.87 g / amp-day
34
2.18 g / amp-day
23
Fungsi Work elektron
2.70 eV
99+
3.30 eV
33
Properties Kimia liyane
ionisasi, Isotop radioaktif
anti Corrosion, ionisasi, Isotop radioaktif, kelarutan
atom Properties
Panggil atom
62
99+
71
99+
Konfigurasi elektron
[Xe] 4F 6 6s 2
[Xe] 6s 2 4F 14 5d 1
Struktur Crystal
Rhombohedral (RHO)
Hexagonal Tutup dikempalken (HCP)
Crystal pola
RHO-Crystal-Structure-of-Samarium.jpg#100
BCC-Crystal-Structure-.jpg#100
atom
Jumlah proton
62
99+
71
99+
Jumlah Neutron
88
39
104
30
Jumlah Èlèktron
62
99+
71
99+
Radius saka Atom
Radius atom
180.00 pm
14
174.00 pm
20
kovalen Radius
198.00 pm
13
187.00 pm
20
Van der Waals Radius
229.00 pm
20
221.00 pm
22
Bobot atom
150.36 Amu
99+
174.97 Amu
40
Volume atom
19.95 cm3 / mol
19
17.78 cm3 / mol
30
Nomer atom jejer
Potensi Valence Electron
44.80 (-eV)
37
50.90 (-eV)
26
Constant pola
362.10 pm
33
350.31 pm
99+
pola Angles
π/2, π/2, 2 π/3
π/2, π/2, 2 π/3
Pola C / A rasio
ora Sumadhiya
1.59
10
Teknik Properties
Kapadhetan
Kapadhetan Ing suhu kamar
7.52 g / cm 3
99+
9.84 g / cm 3
38
Kapadhetan Nalika Liquid (ing mp)
7.16 g / cm3
32
9.30 g / cm3
22
Strength tensile
ora Sumadhiya
ora Sumadhiya
viskositas
ora Sumadhiya
ora Sumadhiya
meksa beluk
Meksa beluk ing 1000 K
0.94 (Pa)
9
0.00 (Pa)
33
Meksa beluk ing 2000 K
ora Sumadhiya
3.18 (Pa)
11
situs kelenturan
nyukur pengaturan
19.50 GPA
34
27.20 GPA
26
pengaturan akeh
37.80 GPA
35
47.60 GPA
23
Young kang pengaturan
49.70 GPA
37
68.60 GPA
30
Poisson rasio
0.27
19
0.26
21
Properties Teknik liyane
NA
NA
Magnetic Properties
Ciri Magnetic
Gravitasi tartamtu
7.52
99+
9.84
29
Nindakake Magnetic
paramagnetic
paramagnetic
Properties Listrik
Property Listrik
Arman
Arman
resistivity
0.94 nΩ · m
99+
582.00 nΩ · m
9
konduktivitas listrik
0.01 10 6 / cm Ω
99+
0.02 10 6 / cm Ω
99+
elektron Affinity
50.00 kJ / mol
21
50.00 kJ / mol
21
termal Properties
Kalor tartamtu
0.20 J / (kg K)
31
0.15 J / (kg K)
36
Graham Kapasitas kalor
29.54 J / mol · K
7
26.86 J / mol · K
24
doyo termal
13.30 W / m · K
99+
16.40 W / m · K
99+
suhu kritis
ora Sumadhiya
ora Sumadhiya
Expansion termal
12.70 μm / (m · K)
30
9.90 μm / (m · K)
40
enthalpy
Enthalpy panguapan
166.40 kJ / mol
99+
355.90 kJ / mol
22
Enthalpy saka Fusion
8.62 kJ / mol
40
18.70 kJ / mol
13
Enthalpy saka atomization
209.00 kJ / mol
99+
398.00 kJ / mol
20
Standard molar Entropy
69.60 J / mol.K
15
51.00 J / mol.K
30
|
||
|
||
|
