mbandhingaké iridium lan Europium
Tabel périodik
Symbol
Ir
Eu
Panggil Group
9
9
ora Sumadhiya
Panggil periode
6
6
Block
d block
pemblokiran f
Family unsur
transisi Metal
lanthanide
CAS Number
7439885
99+
7440531
34
Jeneng papan Group
Fm_ 3M
3M Im_
Space Group Number
225.00
2
229.00
1
facts
Facts Interesting
- unsur Iridium occurs minangka wesi alam Platinum lan Osmium.
- unsur Iridium dikenal minangka paling metal resistance karat.
ora Cepak
sumber
Found in Minerals, Mining, Ores saka Minerals
Found in Minerals, Mining, Ores saka Minerals
History
sing katutup
Smithson Tennant
Eugène-Anatole Demarçay
Discovery
ing 1803
ing taun 1896
turah mbrawah
Turah mbrawah Ing Universe
2 * 10-7 %
22
5 * 10-8 %
27
Turah mbrawah Ing Sun
~0.0000002 %
25
~0.00000005 %
27
Turah mbrawah Ing meteorit
0.00 %
29
0.00 %
99+
Turah mbrawah Ing bumi lemah ndhuwur
0.00 %
99+
0.00 %
36
Turah mbrawah Ing Segara
ora Sumadhiya
0.00 %
99+
ulah
Ulah lan Wuku
- Iridium duwe sifat anti karat lan digunakake ing alloy khusus karo logam Osmium lan alloy sing digunakake ing tips pen lan Compass bantalan poros.
- logam Europium utama Efesus ing printing saka dhuwit kertas Euro. cathetan iki cemlorot abang ing lampu UV.
- Kang digunakake ing bolam lampu kurang energi.
Ulah Industrial
Industry automobile, Industry Listrik, Industry Elektronik
Industri Kimia
Ulah Medical
NA
NA
Ulah liyane
wesi
wesi
Properties biologi
keracunan
Toxic
non Toxic
Saiki ing badan Human
Ya
Ya
fisik Properties
leleh Point
2,410.00 ° C
7
822.00 ° C
99+
Boiling Point
4,527.00 ° C
10
1,597.00 ° C
99+
katon
State fisik
Solid
Solid
warna
perak Putih
perak Putih
luster
metallic
lustrous
atose
Mohs atose
6.50
5
ora Sumadhiya
Brinell atose
1,670.00 MPa
5
ora Sumadhiya
Vickers atose
1,760.00 MPa
3
167.00 MPa
34
Kacepetan swara
4,825.00 m / s
13
ora Sumadhiya
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
Ir
Eu
isotop
Isotop dikenal
34
5
31
8
keelektronegatifan
Pauling Elektronegativitas
2.20
4
1.20
39
Sanderson Elektronegativitas
ora Sumadhiya
1.01
22
Allred Rochow Elektronegativitas
1.55
11
ora Sumadhiya
Allen Elektronegativitas
1.68
17
ora Sumadhiya
Electropositivity
Pauling Electropositivity
1.80
99+
ora Sumadhiya
tenogo ionisasi
Level Energy 1st
880.00 kJ / mol
9
547.10 kJ / mol
99+
Level Energy 2
1,600.00 kJ / mol
35
1,085.00 kJ / mol
99+
Level Energy 3rd
ora Sumadhiya
2,404.00 kJ / mol
99+
Level Energy 4
ora Sumadhiya
4,120.00 kJ / mol
33
padha karo elektrokimia
1.14 g / amp-day
99+
1.89 g / amp-day
33
Fungsi Work elektron
4.55 eV
13
2.50 eV
99+
Properties Kimia liyane
kebakar, ionisasi, Isotop radioaktif, Radioaktif
ionisasi, Isotop radioaktif, kelarutan
atom Properties
Panggil atom
77
39
63
99+
Konfigurasi elektron
[Xe] 4F 14 5d 7 6s 2
[Xe] 4F 7 6s 2
Struktur Crystal
Face tengah kubik (FCC)
Body tengah kubik (Bcc)
Crystal pola
FCC-Crystal-Structure-of-Iridium.jpg#100
BCC-Crystal-Structure-.jpg#100
atom
Jumlah proton
74
99+
63
99+
Jumlah Neutron
110
27
89
38
Jumlah Èlèktron
74
99+
63
99+
Radius saka Atom
Radius atom
136.00 pm
99+
180.00 pm
14
kovalen Radius
141.00 pm
99+
198.00 pm
13
Van der Waals Radius
202.00 pm
27
233.00 pm
18
Bobot atom
192.22 Amu
34
151.96 Amu
99+
Volume atom
9.53 cm3 / mol
99+
28.90 cm3 / mol
8
Nomer atom jejer
Potensi Valence Electron
140.00 (-eV)
5
45.60 (-eV)
35
Constant pola
383.90 pm
26
458.10 pm
17
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
22.56 g / cm 3
10
5.26 g / cm 3
99+
Kapadhetan Nalika Liquid (ing mp)
19.00 g / cm3
3
5.13 g / cm3
99+
Strength tensile
2,000.00 MPa
2
120.00 MPa
15
viskositas
ora Sumadhiya
ora Sumadhiya
meksa beluk
Meksa beluk ing 1000 K
ora Sumadhiya
19.40 (Pa)
4
Meksa beluk ing 2000 K
0.00 (Pa)
25
ora Sumadhiya
situs kelenturan
nyukur pengaturan
210.00 GPA
2
7.90 GPA
99+
pengaturan akeh
320.00 GPA
3
8.30 GPA
99+
Young kang pengaturan
528.00 GPA
1
18.20 GPA
99+
Poisson rasio
0.26
22
0.15
34
Properties Teknik liyane
NA
ductile
Magnetic Properties
Ciri Magnetic
Gravitasi tartamtu
21.78
3
5.24
99+
Nindakake Magnetic
paramagnetic
paramagnetic
Properties Listrik
Property Listrik
Arman
Arman
resistivity
47.10 nΩ · m
99+
0.90 nΩ · m
99+
konduktivitas listrik
0.19 10 6 / cm Ω
10
0.01 10 6 / cm Ω
99+
elektron Affinity
151.00 kJ / mol
4
50.00 kJ / mol
21
termal Properties
Kalor tartamtu
0.13 J / (kg K)
39
0.18 J / (kg K)
33
Graham Kapasitas kalor
25.10 J / mol · K
99+
27.66 J / mol · K
16
doyo termal
147.00 W / m · K
10
13.90 W / m · K
99+
suhu kritis
ora Sumadhiya
ora Sumadhiya
Expansion termal
6.40 μm / (m · K)
99+
35.00 μm / (m · K)
8
enthalpy
Enthalpy panguapan
799.10 kJ / mol
1
143.50 kJ / mol
99+
Enthalpy saka Fusion
35.23 kJ / mol
1
9.21 kJ / mol
37
Enthalpy saka atomization
837.00 kJ / mol
1
180.00 kJ / mol
99+
Standard molar Entropy
35.50 J / mol.K
99+
77.80 J / mol.K
4
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