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Samarium metal
Samarium


Tabel périodik
Symbol
Sm
Panggil Group
3 15
Panggil periode
6 2
Block
pemblokiran f
Family unsur
lanthanide
CAS Number
7440199 60
Jeneng papan Group
R_ 3M
Space Group Number
166.00 9
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.
sumber
Found in Minerals, Mining, Ores saka Minerals
History
sing katutup
Lecoq de Boisbaudran
Discovery
ing taun 1879
turah mbrawah
Turah mbrawah Ing Universe
0.00 % 20
Turah mbrawah Ing Sun
0.00 % 26
Turah mbrawah Ing meteorit
0.00 % 37
Turah mbrawah Ing bumi lemah ndhuwur
0.00 % 29
Turah mbrawah Ing Segara
0.00 % 40
Turah mbrawah Ing Manungsa
0.00 % 24
ulah
Ulah lan Wuku
  • Magnet saka campuran kobalt Samarium luwih kuwat tinimbang wesi lan mula digunakake ing aplikasi gelombang mikro.
  • Logam Samarium uga digunakake ing laser optik lan kaca tingal nyerep infra merah lan minangka penyerap neutron.
Ulah Industrial
Industry Aerospace, Industry automobile, Industri Kimia, Industry Listrik, Industry Elektronik
Ulah Medical
-
Ulah liyane
wesi, Ing Reactors Nuclear
Properties biologi
keracunan
rada Toxic
Saiki ing badan Human
Ya
Sang
0.01 Sang / mg dm-3 22
ing Bone
0.00 ppm 41
fisik
leleh Point
1,072.00 ° C 41
Boiling Point
1,900.00 ° C 54
katon
State fisik
Solid
warna
perak Putih
luster
lustrous
atose
Mohs atose
5.50 7
Brinell atose
441.00 MPa 32
Vickers atose
412.00 MPa 40
Kacepetan swara
2,130.00 m / s 59
Properties Optical
bias Index
1.80 22
reflectivity
65.00 % 18
allotropes
Ora
α allotropes
-
β allotropes
-
γ allotropes
-
Kimia
Formula Kimia
Sm
isotop
Isotop dikenal
30 9
keelektronegatifan
Pauling Elektronegativitas
1.17 41
Sanderson Elektronegativitas
1.17 33
Allred Rochow Elektronegativitas
1.07 33
Mulliken-Jaffe Elektronegativitas
1.17 40
Allen Elektronegativitas
1.17 50
Electropositivity
Pauling Electropositivity
2.83 14
tenogo ionisasi
Level Energy 1st
544.50 kJ / mol 72
Level Energy 2
1,070.00 kJ / mol 76
Level Energy 3rd
2,260.00 kJ / mol 61
Level Energy 4
3,990.00 kJ / mol 47
Level Energy 5th
5,445.00 kJ / mol 65
Level Energy 6th
5,445.00 kJ / mol 78
tingkat Energy 7
5,445.00 kJ / mol 68
Level Energy 8
5,400.00 kJ / mol 68
Level Energy 9
5,440.00 kJ / mol 66
Level Energy 10th
5,445.00 kJ / mol 65
Level Energy 11
5,445.00 kJ / mol 70
Level Energy 12
5,440.00 kJ / mol 73
Level Energy 13
5,445.00 kJ / mol 62
Level Energy 14
5,450.00 kJ / mol 49
Level Energy 15
54,450.00 kJ / mol 62
Level Energy 16
54,400.00 kJ / mol 50
Level Energy 17
544.50 kJ / mol 76
Level Energy 18
5,445.00 kJ / mol 64
Level Energy 19
544.50 kJ / mol 74
Level Energy 20
624.00 kJ / mol 43
Level Energy 21
544.50 kJ / mol 78
Level Energy 22
624.00 kJ / mol 37
Level Energy 23rd
544.50 kJ / mol 77
Level Energy 24
544.50 kJ / mol 69
Level Energy 25th
544.00 kJ / mol 65
Level Energy 26th
544.50 kJ / mol 73
Level Energy 27th
544.50 kJ / mol 69
Level Energy 28th
544.50 kJ / mol 72
Level Energy 29
544.50 kJ / mol 75
Level Energy 30
544.00 kJ / mol 69
padha karo elektrokimia
1.87 g / amp-day 38
Fungsi Work elektron
2.70 eV 52
Properties Kimia liyane
ionisasi, Isotop radioaktif
atom
Panggil atom
62 54
Konfigurasi elektron
[Xe] 4F 6 6s 2
Struktur Crystal
Rhombohedral (RHO)
Crystal pola
RHO-Crystal-Structure-of-Samarium.jpg#100
atom
Jumlah proton
62 53
Jumlah Neutron
88 40
Jumlah Èlèktron
62 53
Radius saka Atom
Radius atom
180.00 pm 16
kovalen Radius
198.00 pm 13
Van der Waals Radius
229.00 pm 25
Bobot atom
150.36 Amu 48
Volume atom
19.95 cm3 / mol 31
Nomer atom jejer
unsur Previous
74
Sabanjure unsur
73
Potensi Valence Electron
44.80 (-eV) 38
Constant pola
362.10 pm 37
pola Angles
π/2, π/2, 2 π/3
Pola C / A rasio
1.62 15
Teknik
Kapadhetan
Kapadhetan Ing suhu kamar
7.52 g / cm 3 58
Kapadhetan Nalika Liquid (ing mp)
7.16 g / cm3 61
Strength tensile
50.00 MPa 38
viskositas
0.00 25
meksa beluk
Meksa beluk ing 1000 K
0.94 (Pa) 9
Meksa beluk ing 2000 K
0.00 (Pa) 29
situs kelenturan
nyukur pengaturan
19.50 GPA 44
pengaturan akeh
37.80 GPA 43
Young kang pengaturan
49.70 GPA 40
Poisson rasio
0.27 19
Properties Teknik liyane
-
Magnetic
Ciri Magnetic
Gravitasi tartamtu
7.52 57
Nindakake Magnetic
paramagnetic
permeabilitas
0.00 H / m 9
kelemahan
0.00 24
Properties Listrik
Property Listrik
Arman
resistivity
0.94 nΩ · m 73
konduktivitas listrik
0.01 10 6 / cm Ω 63
elektron Affinity
50.00 kJ / mol 26
termal
Kalor tartamtu
0.20 J / (kg K) 32
Graham Kapasitas kalor
29.54 J / mol · K 9
doyo termal
13.30 W / m · K 59
suhu kritis
1,345.00 K 44
Expansion termal
12.70 μm / (m · K) 39
enthalpy
Enthalpy panguapan
166.40 kJ / mol 65
Enthalpy saka Fusion
8.62 kJ / mol 46
Enthalpy saka atomization
209.00 kJ / mol 55
Standard molar Entropy
69.60 J / mol.K 15
Tabel périodik >>
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