tantalum mungsuh Samarium
Tabel périodik
Symbol
Ta
Sm
Panggil Group
5
13
ora Sumadhiya
Panggil periode
6
6
Block
d block
pemblokiran f
Family unsur
transisi Metal
lanthanide
CAS Number
7440257
99+
7440199
99+
Jeneng papan Group
3M Im_
R_ 3M
Space Group Number
229.00
1
166.00
6
facts
Facts Interesting
- Tantalum logam dikenal minangka resistance karat.
- Tantalum logam bisa gampang fabricated lan Punika dirijen apik saka panas lan listrik.
- 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
Anders Gustaf Ekeberg
Lecoq de Boisbaudran
Discovery
ing taun 1802
ing taun 1879
turah mbrawah
Turah mbrawah Ing Universe
8 * 10-9 %
31
5 * 10-7 %
19
Turah mbrawah Ing Sun
~-9999 %
~0.0000001 %
26
Turah mbrawah Ing meteorit
0.00 %
99+
0.00 %
37
Turah mbrawah Ing bumi lemah ndhuwur
0.00 %
37
0.00 %
29
Turah mbrawah Ing Segara
0.00 %
31
0.00 %
40
ulah
Ulah lan Wuku
Character length exceed error
Character length exceed error
Ulah Industrial
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
Ya
Ya
Sang
ora Sumadhiya
0.01 Sang / mg dm-3
22
ing Bone
0.03 ppm
28
ora Sumadhiya
fisik Properties
leleh Point
2,996.00 ° C
4
1,072.00 ° C
99+
Boiling Point
5,425.00 ° C
4
1,900.00 ° C
99+
katon
State fisik
Solid
Solid
warna
Gray Blue
perak Putih
luster
metallic
lustrous
atose
Mohs atose
6.50
5
ora Sumadhiya
Brinell atose
440.00 MPa
28
441.00 MPa
27
Vickers atose
870.00 MPa
12
412.00 MPa
24
Kacepetan swara
3,400.00 m / s
22
2,130.00 m / s
99+
Properties Optical
reflectivity
78.00 %
6
ora Sumadhiya
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
Ta
Sm
isotop
Isotop dikenal
31
8
30
9
keelektronegatifan
Pauling Elektronegativitas
1.50
27
1.17
40
Allred Rochow Elektronegativitas
1.33
22
1.07
32
Allen Elektronegativitas
1.34
33
ora Sumadhiya
Electropositivity
Pauling Electropositivity
2.50
27
2.83
14
tenogo ionisasi
Level Energy 1st
761.00 kJ / mol
18
544.50 kJ / mol
99+
Level Energy 2
1,500.00 kJ / mol
40
1,070.00 kJ / mol
99+
Level Energy 3rd
ora Sumadhiya
2,260.00 kJ / mol
99+
Level Energy 4
ora Sumadhiya
3,990.00 kJ / mol
37
padha karo elektrokimia
1.35 g / amp-day
99+
1.87 g / amp-day
34
Fungsi Work elektron
4.25 eV
21
2.70 eV
99+
Properties Kimia liyane
anti Corrosion, ionisasi, Isotop radioaktif, Radioaktif, kelarutan
ionisasi, Isotop radioaktif
atom Properties
Panggil atom
73
99+
62
99+
Konfigurasi elektron
[Xe] 4F 14 5d 3 6s 2
[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
73
99+
62
99+
Jumlah Neutron
108
28
88
39
Jumlah Èlèktron
73
99+
62
99+
Radius saka Atom
Radius atom
146.00 pm
35
180.00 pm
14
kovalen Radius
170.00 pm
25
198.00 pm
13
Van der Waals Radius
200.00 pm
28
229.00 pm
20
Bobot atom
180.95 Amu
38
150.36 Amu
99+
Volume atom
10.90 cm3 / mol
99+
19.95 cm3 / mol
19
Nomer atom jejer
Potensi Valence Electron
110.00 (-eV)
7
44.80 (-eV)
37
Constant pola
330.13 pm
99+
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
16.69 g / cm 3
18
7.52 g / cm 3
99+
Kapadhetan Nalika Liquid (ing mp)
15.00 g / cm3
9
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
Meksa beluk ing 2000 K
0.00 (Pa)
31
ora Sumadhiya
situs kelenturan
nyukur pengaturan
69.00 GPA
13
19.50 GPA
34
pengaturan akeh
200.00 GPA
8
37.80 GPA
35
Young kang pengaturan
186.00 GPA
13
49.70 GPA
37
Poisson rasio
0.34
10
0.27
19
Properties Teknik liyane
ductile
NA
Magnetic Properties
Ciri Magnetic
Gravitasi tartamtu
16.65
11
7.52
99+
Nindakake Magnetic
paramagnetic
paramagnetic
Properties Listrik
Property Listrik
Arman
Arman
resistivity
131.00 nΩ · m
25
0.94 nΩ · m
99+
konduktivitas listrik
0.08 10 6 / cm Ω
27
0.01 10 6 / cm Ω
99+
elektron Affinity
31.00 kJ / mol
29
50.00 kJ / mol
21
termal Properties
Kalor tartamtu
0.14 J / (kg K)
37
0.20 J / (kg K)
31
Graham Kapasitas kalor
25.36 J / mol · K
99+
29.54 J / mol · K
7
doyo termal
57.50 W / m · K
27
13.30 W / m · K
99+
suhu kritis
ora Sumadhiya
ora Sumadhiya
Expansion termal
6.30 μm / (m · K)
99+
12.70 μm / (m · K)
30
enthalpy
Enthalpy panguapan
753.10 kJ / mol
2
166.40 kJ / mol
99+
Enthalpy saka Fusion
31.40 kJ / mol
3
8.62 kJ / mol
40
Enthalpy saka atomization
782.00 kJ / mol
3
209.00 kJ / mol
99+
Standard molar Entropy
41.50 J / mol.K
37
69.60 J / mol.K
15
|
||
|
||
|
