Rhenium mungsuh Samarium
Tabel périodik
Symbol
Re
Sm
Panggil Group
7
11
ora Sumadhiya
Panggil periode
6
6
Block
d block
pemblokiran f
Family unsur
transisi Metal
lanthanide
CAS Number
7440155
99+
7440199
99+
Jeneng papan Group
P63 / mmc
R_ 3M
Space Group Number
194.00
5
166.00
6
facts
Facts Interesting
- kimia saka Rhenium sing padha kanggo Manganese.
- metal Rhenium digawe nalika panyulingan Molybdenum.
- Samarium logam mbantu menehi pancingan metabolisme awak.
- Samarium logam ana 1st diamati dening Jean Charles Galissard de Marignac ing Dydimia ing 1853.
sumber
Found in Minerals, Mining, Ores saka Minerals
Found in Minerals, Mining, Ores saka Minerals
History
sing katutup
Masataka Ogawa
Lecoq de Boisbaudran
Discovery
ing taun 1908
ing taun 1879
turah mbrawah
Turah mbrawah Ing Universe
2 * 10-8 %
29
5 * 10-7 %
19
Turah mbrawah Ing Sun
~0.00000001 %
29
~0.0000001 %
26
Turah mbrawah Ing meteorit
0.00 %
99+
0.00 %
37
Turah mbrawah Ing bumi lemah ndhuwur
0.00 %
99+
0.00 %
29
Turah mbrawah Ing Segara
0.00 %
34
0.00 %
40
ulah
Ulah lan Wuku
- Wesi saka Rhenium digunakake minangka materi kontak listrik. Iku bisa nolak tahan karat busar.
- katalis digunakake ing hidrogenasi kimia nggoleki. Sawijining campuran karo nikel digunakake kanggo gawé glathi turbin.
Character length exceed error
Ulah Industrial
Industry Aerospace, Industry automobile, Industri Kimia, 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
Low Toxic
rada Toxic
Saiki ing badan Human
Ora
Ya
Sang
ora Sumadhiya
0.01 Sang / mg dm-3
22
fisik Properties
leleh Point
3,180.00 ° C
2
1,072.00 ° C
99+
Boiling Point
5,627.00 ° C
2
1,900.00 ° C
99+
katon
State fisik
Solid
Solid
warna
perak Gray
perak Putih
luster
metallic
lustrous
atose
Mohs atose
7.00
3
ora Sumadhiya
Brinell atose
1,320.00 MPa
8
441.00 MPa
27
Vickers atose
1,350.00 MPa
7
412.00 MPa
24
Kacepetan swara
4,700.00 m / s
15
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
Re
Sm
isotop
Isotop dikenal
33
6
30
9
keelektronegatifan
Pauling Elektronegativitas
1.90
11
1.17
40
Allred Rochow Elektronegativitas
1.46
15
1.07
32
Allen Elektronegativitas
1.60
21
ora Sumadhiya
Electropositivity
Pauling Electropositivity
2.10
99+
2.83
14
tenogo ionisasi
Level Energy 1st
760.00 kJ / mol
20
544.50 kJ / mol
99+
Level Energy 2
1,260.00 kJ / mol
99+
1,070.00 kJ / mol
99+
Level Energy 3rd
2,510.00 kJ / mol
99+
2,260.00 kJ / mol
99+
Level Energy 4
3,640.00 kJ / mol
99+
3,990.00 kJ / mol
37
padha karo elektrokimia
0.99 g / amp-day
99+
1.87 g / amp-day
34
Fungsi Work elektron
4.96 eV
7
2.70 eV
99+
Properties Kimia liyane
Corrosion, ionisasi, Isotop radioaktif, kelarutan
ionisasi, Isotop radioaktif
atom Properties
Panggil atom
75
99+
62
99+
Konfigurasi elektron
[Xe] 4F 14 5d 5 6s 2
[Xe] 4F 6 6s 2
Struktur Crystal
Hexagonal Tutup dikempalken (HCP)
Rhombohedral (RHO)
Crystal pola
BCC-Crystal-Structure-.jpg#100
RHO-Crystal-Structure-of-Samarium.jpg#100
atom
Jumlah proton
75
40
62
99+
Jumlah Neutron
111
26
88
39
Jumlah Èlèktron
75
40
62
99+
Radius saka Atom
Radius atom
137.00 pm
40
180.00 pm
14
kovalen Radius
151.00 pm
34
198.00 pm
13
Van der Waals Radius
200.00 pm
28
229.00 pm
20
Bobot atom
186.21 Amu
36
150.36 Amu
99+
Volume atom
8.85 cm3 / mol
99+
19.95 cm3 / mol
19
Nomer atom jejer
Potensi Valence Electron
180.00 (-eV)
3
44.80 (-eV)
37
Constant pola
276.10 pm
99+
362.10 pm
33
pola Angles
π/2, π/2, 2 π/3
π/2, π/2, 2 π/3
Pola C / A rasio
1.62
3
ora Sumadhiya
Teknik Properties
Kapadhetan
Kapadhetan Ing suhu kamar
21.02 g / cm 3
12
7.52 g / cm 3
99+
Kapadhetan Nalika Liquid (ing mp)
18.90 g / cm3
4
7.16 g / cm3
32
Strength tensile
1,070.00 MPa
3
ora Sumadhiya
viskositas
ora Sumadhiya
ora Sumadhiya
meksa beluk
Meksa beluk ing 1000 K
ora Sumadhiya
0.94 (Pa)
9
Meksa beluk ing 2000 K
0.00 (Pa)
29
ora Sumadhiya
situs kelenturan
nyukur pengaturan
178.00 GPA
3
19.50 GPA
34
pengaturan akeh
370.00 GPA
2
37.80 GPA
35
Young kang pengaturan
463.00 GPA
2
49.70 GPA
37
Poisson rasio
0.30
14
0.27
19
Properties Teknik liyane
ductile, malleable
NA
Magnetic Properties
Ciri Magnetic
Gravitasi tartamtu
21.02
5
7.52
99+
Nindakake Magnetic
paramagnetic
paramagnetic
Properties Listrik
Property Listrik
Arman
Arman
resistivity
193.00 nΩ · m
20
0.94 nΩ · m
99+
konduktivitas listrik
0.05 10 6 / cm Ω
33
0.01 10 6 / cm Ω
99+
elektron Affinity
14.50 kJ / mol
35
50.00 kJ / mol
21
termal Properties
Kalor tartamtu
0.13 J / (kg K)
39
0.20 J / (kg K)
31
Graham Kapasitas kalor
25.48 J / mol · K
38
29.54 J / mol · K
7
doyo termal
48.00 W / m · K
31
13.30 W / m · K
99+
suhu kritis
ora Sumadhiya
ora Sumadhiya
Expansion termal
6.20 μm / (m · K)
99+
12.70 μm / (m · K)
30
enthalpy
Enthalpy panguapan
707.10 kJ / mol
3
166.40 kJ / mol
99+
Enthalpy saka Fusion
33.05 kJ / mol
2
8.62 kJ / mol
40
Enthalpy saka atomization
791.00 kJ / mol
2
209.00 kJ / mol
99+
Standard molar Entropy
36.90 J / mol.K
99+
69.60 J / mol.K
15
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