Europium mungsuh iridium
Tabel périodik
Symbol
Eu
Ir
Panggil Group
ora Sumadhiya
9
9
Panggil periode
6
6
Block
pemblokiran f
d block
Family unsur
lanthanide
transisi Metal
CAS Number
7440531
34
7439885
99+
Jeneng papan Group
3M Im_
Fm_ 3M
Space Group Number
229.00
1
225.00
2
facts
Facts Interesting
ora Cepak
- unsur Iridium occurs minangka wesi alam Platinum lan Osmium.
- unsur Iridium dikenal minangka paling metal resistance karat.
sumber
Found in Minerals, Mining, Ores saka Minerals
Found in Minerals, Mining, Ores saka Minerals
History
sing katutup
Eugène-Anatole Demarçay
Smithson Tennant
Discovery
ing taun 1896
ing 1803
turah mbrawah
Turah mbrawah Ing Universe
5 * 10-8 %
27
2 * 10-7 %
22
Turah mbrawah Ing Sun
~0.00000005 %
27
~0.0000002 %
25
Turah mbrawah Ing meteorit
0.00 %
99+
0.00 %
29
Turah mbrawah Ing bumi lemah ndhuwur
0.00 %
36
0.00 %
99+
Turah mbrawah Ing Segara
0.00 %
99+
ora Sumadhiya
ulah
Ulah lan Wuku
- logam Europium utama Efesus ing printing saka dhuwit kertas Euro. cathetan iki cemlorot abang ing lampu UV.
- Kang digunakake ing bolam lampu kurang energi.
- 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
non Toxic
Toxic
Saiki ing badan Human
Ya
Ya
fisik Properties
leleh Point
822.00 ° C
99+
2,410.00 ° C
7
Boiling Point
1,597.00 ° 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
ora Sumadhiya
1,670.00 MPa
5
Vickers atose
167.00 MPa
34
1,760.00 MPa
3
Kacepetan swara
ora Sumadhiya
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
Eu
Ir
isotop
Isotop dikenal
31
8
34
5
keelektronegatifan
Pauling Elektronegativitas
1.20
39
2.20
4
Sanderson Elektronegativitas
1.01
22
ora Sumadhiya
Allred Rochow Elektronegativitas
ora Sumadhiya
1.55
11
Allen Elektronegativitas
ora Sumadhiya
1.68
17
Electropositivity
Pauling Electropositivity
ora Sumadhiya
1.80
99+
tenogo ionisasi
Level Energy 1st
547.10 kJ / mol
99+
880.00 kJ / mol
9
Level Energy 2
1,085.00 kJ / mol
99+
1,600.00 kJ / mol
35
Level Energy 3rd
2,404.00 kJ / mol
99+
ora Sumadhiya
Level Energy 4
4,120.00 kJ / mol
33
ora Sumadhiya
padha karo elektrokimia
1.89 g / amp-day
33
1.14 g / amp-day
99+
Fungsi Work elektron
2.50 eV
99+
4.55 eV
13
Properties Kimia liyane
ionisasi, Isotop radioaktif, kelarutan
kebakar, ionisasi, Isotop radioaktif, Radioaktif
atom Properties
Panggil atom
63
99+
77
39
Konfigurasi elektron
[Xe] 4F 7 6s 2
[Xe] 4F 14 5d 7 6s 2
Struktur Crystal
Body tengah kubik (Bcc)
Face tengah kubik (FCC)
Crystal pola
BCC-Crystal-Structure-.jpg#100
FCC-Crystal-Structure-of-Iridium.jpg#100
atom
Jumlah proton
63
99+
74
99+
Jumlah Neutron
89
38
110
27
Jumlah Èlèktron
63
99+
74
99+
Radius saka Atom
Radius atom
180.00 pm
14
136.00 pm
99+
kovalen Radius
198.00 pm
13
141.00 pm
99+
Van der Waals Radius
233.00 pm
18
202.00 pm
27
Bobot atom
151.96 Amu
99+
192.22 Amu
34
Volume atom
28.90 cm3 / mol
8
9.53 cm3 / mol
99+
Nomer atom jejer
Potensi Valence Electron
45.60 (-eV)
35
140.00 (-eV)
5
Constant pola
458.10 pm
17
383.90 pm
26
pola Angles
π/2, π/2, π/2
π/2, π/2, π/2
Pola C / A rasio
ora Sumadhiya
ora Sumadhiya
Teknik Properties
Kapadhetan
Kapadhetan Ing suhu kamar
5.26 g / cm 3
99+
22.56 g / cm 3
10
Kapadhetan Nalika Liquid (ing mp)
5.13 g / cm3
99+
19.00 g / cm3
3
Strength tensile
120.00 MPa
15
2,000.00 MPa
2
viskositas
ora Sumadhiya
ora Sumadhiya
meksa beluk
Meksa beluk ing 1000 K
19.40 (Pa)
4
ora Sumadhiya
Meksa beluk ing 2000 K
ora Sumadhiya
0.00 (Pa)
25
situs kelenturan
nyukur pengaturan
7.90 GPA
99+
210.00 GPA
2
pengaturan akeh
8.30 GPA
99+
320.00 GPA
3
Young kang pengaturan
18.20 GPA
99+
528.00 GPA
1
Poisson rasio
0.15
34
0.26
22
Properties Teknik liyane
ductile
NA
Magnetic Properties
Ciri Magnetic
Gravitasi tartamtu
5.24
99+
21.78
3
Nindakake Magnetic
paramagnetic
paramagnetic
Properties Listrik
Property Listrik
Arman
Arman
resistivity
0.90 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
0.18 J / (kg K)
33
0.13 J / (kg K)
39
Graham Kapasitas kalor
27.66 J / mol · K
16
25.10 J / mol · K
99+
doyo termal
13.90 W / m · K
99+
147.00 W / m · K
10
suhu kritis
ora Sumadhiya
ora Sumadhiya
Expansion termal
35.00 μm / (m · K)
8
6.40 μm / (m · K)
99+
enthalpy
Enthalpy panguapan
143.50 kJ / mol
99+
799.10 kJ / mol
1
Enthalpy saka Fusion
9.21 kJ / mol
37
35.23 kJ / mol
1
Enthalpy saka atomization
180.00 kJ / mol
99+
837.00 kJ / mol
1
Standard molar Entropy
77.80 J / mol.K
4
35.50 J / mol.K
99+
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