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iridium unsur
iridium


Tabel périodik
0
Symbol
Ir 0
Panggil Group
9 9
Panggil periode
6 2
Block
d block 0
Family unsur
transisi Metal 0
CAS Number
7439885 89
Jeneng papan Group
Fm_ 3M 0
Space Group Number
225.00 2
facts
0
Facts Interesting
  • unsur Iridium occurs minangka wesi alam Platinum lan Osmium.
  • unsur Iridium dikenal minangka paling metal resistance karat.
0
sumber
Found in Minerals, Mining, Ores saka Minerals 0
History
0
sing katutup
Smithson Tennant 0
Discovery
ing 1803 0
turah mbrawah
0
Turah mbrawah Ing Universe
2 * 10-7 % 22
Turah mbrawah Ing Sun
~0.0000002 % 25
Turah mbrawah Ing meteorit
0.00 % 29
Turah mbrawah Ing bumi lemah ndhuwur
0.00 % 56
Turah mbrawah Ing Segara
ora Sumadhiya 0
Turah mbrawah Ing Manungsa
ora Sumadhiya 0
ulah
0
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.
0
Ulah Industrial
Industry automobile, Industry Listrik, Industry Elektronik 0
Ulah Medical
NA 0
Ulah liyane
wesi 0
Properties biologi
0
keracunan
Toxic 0
Saiki ing badan Human
Ya 0
Sang
ora Sumadhiya 0
ing Bone
ora Sumadhiya 0
fisik
0
leleh Point
2,410.00 ° C 7
Boiling Point
4,527.00 ° C 10
katon
0
State fisik
Solid 0
warna
perak Putih 0
luster
metallic 0
atose
0
Mohs atose
6.50 5
Brinell atose
1,670.00 MPa 5
Vickers atose
1,760.00 MPa 3
Kacepetan swara
4,825.00 m / s 13
Properties Optical
0
bias Index
ora Sumadhiya 0
reflectivity
78.00 % 6
allotropes
Ora 0
α allotropes
ora Sumadhiya 0
β allotropes
ora Sumadhiya 0
γ allotropes
ora Sumadhiya 0
Kimia
0
Formula Kimia
Ir 0
isotop
0
Isotop dikenal
34 5
keelektronegatifan
0
Pauling Elektronegativitas
2.20 4
Sanderson Elektronegativitas
ora Sumadhiya 0
Allred Rochow Elektronegativitas
1.55 11
Mulliken-Jaffe Elektronegativitas
ora Sumadhiya 0
Allen Elektronegativitas
1.68 17
Electropositivity
0
Pauling Electropositivity
1.80 49
tenogo ionisasi
0
Level Energy 1st
880.00 kJ / mol 9
Level Energy 2
1,600.00 kJ / mol 35
Level Energy 3rd
ora Sumadhiya 0
Level Energy 4
ora Sumadhiya 0
Level Energy 5th
ora Sumadhiya 0
Level Energy 6th
ora Sumadhiya 0
tingkat Energy 7
ora Sumadhiya 0
Level Energy 8
ora Sumadhiya 0
Level Energy 9
ora Sumadhiya 0
Level Energy 10th
ora Sumadhiya 0
Level Energy 11
ora Sumadhiya 0
Level Energy 12
ora Sumadhiya 0
Level Energy 13
ora Sumadhiya 0
Level Energy 14
ora Sumadhiya 0
Level Energy 15
ora Sumadhiya 0
Level Energy 16
ora Sumadhiya 0
Level Energy 17
ora Sumadhiya 0
Level Energy 18
ora Sumadhiya 0
Level Energy 19
ora Sumadhiya 0
Level Energy 20
ora Sumadhiya 0
Level Energy 21
ora Sumadhiya 0
Level Energy 22
ora Sumadhiya 0
Level Energy 23rd
ora Sumadhiya 0
Level Energy 24
ora Sumadhiya 0
Level Energy 25th
ora Sumadhiya 0
Level Energy 26th
ora Sumadhiya 0
Level Energy 27th
ora Sumadhiya 0
Level Energy 28th
ora Sumadhiya 0
Level Energy 29
ora Sumadhiya 0
Level Energy 30
ora Sumadhiya 0
padha karo elektrokimia
1.14 g / amp-day 54
Fungsi Work elektron
4.55 eV 13
Properties Kimia liyane
kebakar, ionisasi, Isotop radioaktif, Radioaktif 0
atom
0
Panggil atom
77 39
Konfigurasi elektron
[Xe] 4F 14 5d 7 6s 2 0
Struktur Crystal
Face tengah kubik (FCC) 0
Crystal pola
FCC-Crystal-Structure-of-Iridium.jpg#100 0
atom
0
Jumlah proton
74 41
Jumlah Neutron
110 27
Jumlah Èlèktron
74 41
Radius saka Atom
0
Radius atom
136.00 pm 41
kovalen Radius
141.00 pm 43
Van der Waals Radius
202.00 pm 27
Bobot atom
192.22 Amu 34
Volume atom
9.53 cm3 / mol 50
Nomer atom jejer
0
unsur Previous
44 0
Sabanjure unsur
20 0
Potensi Valence Electron
140.00 (-eV) 5
Constant pola
383.90 pm 26
pola Angles
π/2, π/2, π/2 0
Pola C / A rasio
ora Sumadhiya 0
Teknik
0
Kapadhetan
0
Kapadhetan Ing suhu kamar
22.56 g / cm 3 10
Kapadhetan Nalika Liquid (ing mp)
19.00 g / cm3 3
Strength tensile
2,000.00 MPa 2
viskositas
ora Sumadhiya 0
meksa beluk
0
Meksa beluk ing 1000 K
ora Sumadhiya 0
Meksa beluk ing 2000 K
0.00 (Pa) 25
situs kelenturan
0
nyukur pengaturan
210.00 GPA 2
pengaturan akeh
320.00 GPA 3
Young kang pengaturan
528.00 GPA 1
Poisson rasio
0.26 22
Properties Teknik liyane
NA 0
Magnetic
0
Ciri Magnetic
0
Gravitasi tartamtu
21.78 3
Nindakake Magnetic
paramagnetic 0
permeabilitas
ora Sumadhiya 0
kelemahan
ora Sumadhiya 0
Properties Listrik
0
Property Listrik
Arman 0
resistivity
47.10 nΩ · m 44
konduktivitas listrik
0.19 10 6 / cm Ω 10
elektron Affinity
151.00 kJ / mol 4
termal
0
Kalor tartamtu
0.13 J / (kg K) 39
Graham Kapasitas kalor
25.10 J / mol · K 43
doyo termal
147.00 W / m · K 10
suhu kritis
ora Sumadhiya 0
Expansion termal
6.40 μm / (m · K) 51
enthalpy
0
Enthalpy panguapan
799.10 kJ / mol 1
Enthalpy saka Fusion
35.23 kJ / mol 1
Enthalpy saka atomization
837.00 kJ / mol 1
Standard molar Entropy
35.50 J / mol.K 43
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