Erbium mungsuh iridium
Tabel périodik
Symbol
Er
Ir
Panggil Group
ora Sumadhiya
9
9
Panggil periode
6
6
Block
pemblokiran f
d block
Family unsur
lanthanide
transisi Metal
CAS Number
7440520
35
7439885
99+
Jeneng papan Group
P63 / mmc
Fm_ 3M
Space Group Number
194.00
5
225.00
2
facts
Facts Interesting
- Erbium logam digunakake minangka alloyed karo Vanadium wis alus.
- Panaliten anyar nuduhake yen iku mbiyantu kanggo metabolisme.
- unsur Iridium occurs minangka wesi alam Platinum lan Osmium.
- unsur Iridium dikenal minangka paling metal resistance karat.
sumber
Mining
Found in Minerals, Mining, Ores saka Minerals
History
sing katutup
Carl Gustaf Mosander
Smithson Tennant
Discovery
Wonten ing taun 1842
ing 1803
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 %
29
Turah mbrawah Ing bumi lemah ndhuwur
0.00 %
32
0.00 %
99+
Turah mbrawah Ing Segara
0.00 %
36
ora Sumadhiya
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.
- Iridium duwe sifat anti karat lan digunakake ing alloy khusus karo logam Osmium lan alloy sing digunakake ing tips pen lan Compass bantalan poros.
Ulah Industrial
Industri Kimia
Industry automobile, Industry Listrik, Industry Elektronik
Ulah Medical
NA
NA
Ulah liyane
wesi
wesi
Properties biologi
keracunan
mildly Toxic
Toxic
Saiki ing badan Human
Ora
Ya
fisik Properties
leleh Point
1,522.00 ° C
28
2,410.00 ° C
7
Boiling Point
2,510.00 ° C
99+
4,527.00 ° C
10
katon
State fisik
Solid
Solid
warna
perak Putih
perak Putih
luster
lustrous
metallic
atose
Mohs atose
ora Sumadhiya
6.50
5
Brinell atose
814.00 MPa
11
1,670.00 MPa
5
Vickers atose
589.00 MPa
19
1,760.00 MPa
3
Kacepetan swara
2,830.00 m / s
28
4,825.00 m / s
13
Properties Optical
reflectivity
ora Sumadhiya
78.00 %
6
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
Ir
isotop
Isotop dikenal
31
8
34
5
keelektronegatifan
Pauling Elektronegativitas
1.24
36
2.20
4
Allred Rochow Elektronegativitas
1.11
29
1.55
11
Allen Elektronegativitas
ora Sumadhiya
1.68
17
Electropositivity
Pauling Electropositivity
2.76
18
1.80
99+
tenogo ionisasi
Level Energy 1st
589.30 kJ / mol
99+
880.00 kJ / mol
9
Level Energy 2
1,150.00 kJ / mol
99+
1,600.00 kJ / mol
35
Level Energy 3rd
2,194.00 kJ / mol
99+
ora Sumadhiya
Level Energy 4
4,120.00 kJ / mol
33
ora Sumadhiya
padha karo elektrokimia
2.08 g / amp-day
28
1.14 g / amp-day
99+
Fungsi Work elektron
ora Sumadhiya
4.55 eV
13
Properties Kimia liyane
ionisasi, Isotop radioaktif, kelarutan
kebakar, ionisasi, Isotop radioaktif, Radioaktif
atom Properties
Panggil atom
68
99+
77
39
Konfigurasi elektron
[Xe] 4F 12 6s 2
[Xe] 4F 14 5d 7 6s 2
Struktur Crystal
Hexagonal Tutup dikempalken (HCP)
Face tengah kubik (FCC)
Crystal pola
HCP-Crystal-Structure-of-Erbium.jpg#100
FCC-Crystal-Structure-of-Iridium.jpg#100
atom
Jumlah proton
68
99+
74
99+
Jumlah Neutron
99
33
110
27
Jumlah Èlèktron
68
99+
74
99+
Radius saka Atom
Radius atom
176.00 pm
18
136.00 pm
99+
kovalen Radius
189.00 pm
19
141.00 pm
99+
Van der Waals Radius
ora Sumadhiya
202.00 pm
27
Bobot atom
167.26 Amu
99+
192.22 Amu
34
Volume atom
18.40 cm3 / mol
25
9.53 cm3 / mol
99+
Nomer atom jejer
Potensi Valence Electron
49.00 (-eV)
29
140.00 (-eV)
5
Constant pola
355.88 pm
39
383.90 pm
26
pola Angles
π/2, π/2, 2 π/3
π/2, π/2, π/2
Pola C / A rasio
1.57
17
ora Sumadhiya
Teknik Properties
Kapadhetan
Kapadhetan Ing suhu kamar
9.07 g / cm 3
99+
22.56 g / cm 3
10
Kapadhetan Nalika Liquid (ing mp)
8.86 g / cm3
23
19.00 g / cm3
3
Strength tensile
ora Sumadhiya
2,000.00 MPa
2
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
0.00 (Pa)
25
situs kelenturan
nyukur pengaturan
28.30 GPA
25
210.00 GPA
2
pengaturan akeh
44.40 GPA
27
320.00 GPA
3
Young kang pengaturan
69.90 GPA
29
528.00 GPA
1
Poisson rasio
0.24
28
0.26
22
Properties Teknik liyane
malleable
NA
Magnetic Properties
Ciri Magnetic
Gravitasi tartamtu
9.07
32
21.78
3
Nindakake Magnetic
paramagnetic
paramagnetic
Properties Listrik
Property Listrik
Arman
Arman
resistivity
0.86 nΩ · m
99+
47.10 nΩ · m
99+
konduktivitas listrik
0.01 10 6 / cm Ω
99+
0.19 10 6 / cm Ω
10
elektron Affinity
50.00 kJ / mol
21
151.00 kJ / mol
4
termal Properties
Kalor tartamtu
0.17 J / (kg K)
34
0.13 J / (kg K)
39
Graham Kapasitas kalor
28.12 J / mol · K
11
25.10 J / mol · K
99+
doyo termal
14.50 W / m · K
99+
147.00 W / m · K
10
suhu kritis
ora Sumadhiya
ora Sumadhiya
Expansion termal
12.20 μm / (m · K)
31
6.40 μm / (m · K)
99+
enthalpy
Enthalpy panguapan
261.00 kJ / mol
35
799.10 kJ / mol
1
Enthalpy saka Fusion
17.20 kJ / mol
15
35.23 kJ / mol
1
Enthalpy saka atomization
314.00 kJ / mol
33
837.00 kJ / mol
1
Standard molar Entropy
73.10 J / mol.K
11
35.50 J / mol.K
99+
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