Erbium mungsuh lanthanum
Tabel périodik
Symbol
Er
La
Panggil Group
ora Sumadhiya
ora Sumadhiya
Panggil periode
6
6
Block
pemblokiran f
pemblokiran f
Family unsur
lanthanide
lanthanide
CAS Number
7440520
35
7439910
99+
Jeneng papan Group
P63 / mmc
P63 / mmc
Space Group Number
194.00
5
194.00
5
facts
Facts Interesting
- Erbium logam digunakake minangka alloyed karo Vanadium wis alus.
- Panaliten anyar nuduhake yen iku mbiyantu kanggo metabolisme.
- Lanthanum logam punika Highly malleable, ductile lan sectile.
- Yen kapapar logam Lanthanum online oxidizes kanthi cepet.
sumber
Mining
Found in Minerals, Mining, Ores saka Minerals
History
sing katutup
Carl Gustaf Mosander
Carl Gustaf Mosander
Discovery
Wonten ing taun 1842
Wonten ing taun 1838
turah mbrawah
Turah mbrawah Ing Universe
2 * 10-7 %
22
2 * 10-7 %
22
Turah mbrawah Ing Sun
~0.0000001 %
26
~0.0000002 %
25
Turah mbrawah Ing meteorit
0.00 %
36
0.00 %
32
Turah mbrawah Ing bumi lemah ndhuwur
0.00 %
32
0.00 %
19
Turah mbrawah Ing Segara
0.00 %
36
0.00 %
29
ulah
Ulah lan Wuku
- Wis cenderung kanggo njaluk tarnished ing online mbukak, nanging nalika alloyed karo unsur kaya erbium, vanadium, tingkat atose sudo.
- senyawa kaya Erbium oxide digunakake ing kaca tingal safety saka welders lan buruh metal.
Character length exceed error
Ulah Industrial
Industri Kimia
Industry Listrik, Industry Elektronik
Ulah Medical
NA
NA
Ulah liyane
wesi
wesi, Manufacturing mirror
Properties biologi
keracunan
mildly Toxic
Low Toxic
Saiki ing badan Human
Ora
Ya
ing Bone
ora Sumadhiya
0.08 ppm
24
fisik Properties
leleh Point
1,522.00 ° C
28
920.00 ° C
99+
Boiling Point
2,510.00 ° C
99+
3,469.00 ° C
18
katon
State fisik
Solid
Solid
warna
perak Putih
perak Putih
luster
lustrous
NA
atose
Mohs atose
ora Sumadhiya
2.50
14
Brinell atose
814.00 MPa
11
350.00 MPa
30
Vickers atose
589.00 MPa
19
360.00 MPa
26
Kacepetan swara
2,830.00 m / s
28
2,475.00 m / s
37
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
Er
La
isotop
Isotop dikenal
31
8
31
8
keelektronegatifan
Pauling Elektronegativitas
1.24
36
1.10
99+
Allred Rochow Elektronegativitas
1.11
29
1.08
31
Electropositivity
Pauling Electropositivity
2.76
18
2.90
10
tenogo ionisasi
Level Energy 1st
589.30 kJ / mol
99+
538.10 kJ / mol
99+
Level Energy 2
1,150.00 kJ / mol
99+
1,067.00 kJ / mol
99+
Level Energy 3rd
2,194.00 kJ / mol
99+
1,850.30 kJ / mol
99+
Level Energy 4
4,120.00 kJ / mol
33
4,819.00 kJ / mol
22
Level Energy 5th
ora Sumadhiya
5,940.00 kJ / mol
25
padha karo elektrokimia
2.08 g / amp-day
28
1.73 g / amp-day
99+
Fungsi Work elektron
ora Sumadhiya
3.50 eV
31
Properties Kimia liyane
ionisasi, Isotop radioaktif, kelarutan
ionisasi, Isotop radioaktif, kelarutan
atom Properties
Panggil atom
68
99+
57
99+
Konfigurasi elektron
[Xe] 4F 12 6s 2
[Xe] 5d 2 6s 2
Struktur Crystal
Hexagonal Tutup dikempalken (HCP)
Double Hexagonal Tutup dikempalken (DHCP)
Crystal pola
HCP-Crystal-Structure-of-Erbium.jpg#100
DHCP-Crystal-Structure-of-Lanthanum.jpg#100
atom
Jumlah proton
68
99+
57
99+
Jumlah Neutron
99
33
82
99+
Jumlah Èlèktron
68
99+
57
99+
Radius saka Atom
Radius atom
176.00 pm
18
187.00 pm
8
kovalen Radius
189.00 pm
19
207.00 pm
6
Van der Waals Radius
ora Sumadhiya
240.00 pm
13
Bobot atom
167.26 Amu
99+
138.91 Amu
99+
Volume atom
18.40 cm3 / mol
25
20.73 cm3 / mol
16
Nomer atom jejer
Potensi Valence Electron
49.00 (-eV)
29
40.71 (-eV)
99+
Constant pola
355.88 pm
39
377.20 pm
28
pola Angles
π/2, π/2, 2 π/3
π/2, π/2, 2 π/3
Pola C / A rasio
1.57
17
1.62
2
Teknik Properties
Kapadhetan
Kapadhetan Ing suhu kamar
9.07 g / cm 3
99+
6.16 g / cm 3
99+
Kapadhetan Nalika Liquid (ing mp)
8.86 g / cm3
23
5.94 g / cm3
99+
Strength tensile
ora Sumadhiya
ora Sumadhiya
viskositas
ora Sumadhiya
ora Sumadhiya
meksa beluk
Meksa beluk ing 1000 K
0.00 (Pa)
20
ora Sumadhiya
Meksa beluk ing 2000 K
ora Sumadhiya
0.98 (Pa)
15
situs kelenturan
nyukur pengaturan
28.30 GPA
25
14.30 GPA
40
pengaturan akeh
44.40 GPA
27
27.90 GPA
99+
Young kang pengaturan
69.90 GPA
29
36.60 GPA
99+
Poisson rasio
0.24
28
0.28
17
Properties Teknik liyane
malleable
ductile
Magnetic Properties
Ciri Magnetic
Gravitasi tartamtu
9.07
32
6.17
99+
Nindakake Magnetic
paramagnetic
paramagnetic
Properties Listrik
Property Listrik
Arman
Arman
resistivity
0.86 nΩ · m
99+
615.00 nΩ · m
7
konduktivitas listrik
0.01 10 6 / cm Ω
99+
0.01 10 6 / cm Ω
99+
elektron Affinity
50.00 kJ / mol
21
48.00 kJ / mol
23
termal Properties
Kalor tartamtu
0.17 J / (kg K)
34
0.19 J / (kg K)
32
Graham Kapasitas kalor
28.12 J / mol · K
11
27.11 J / mol · K
21
doyo termal
14.50 W / m · K
99+
13.40 W / m · K
99+
suhu kritis
ora Sumadhiya
ora Sumadhiya
Expansion termal
12.20 μm / (m · K)
31
12.10 μm / (m · K)
32
enthalpy
Enthalpy panguapan
261.00 kJ / mol
35
399.60 kJ / mol
17
Enthalpy saka Fusion
17.20 kJ / mol
15
6.20 kJ / mol
99+
Enthalpy saka atomization
314.00 kJ / mol
33
431.00 kJ / mol
16
Standard molar Entropy
73.10 J / mol.K
11
56.90 J / mol.K
23
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