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iridium metal
iridium


Tabel périodik
Symbol
Ir
Panggil Group
9 9
Panggil periode
6 2
Block
d block
Family unsur
transisi Metal
CAS Number
7439885 89
Jeneng papan Group
Fm_ 3M
Space Group Number
225.00 3
facts
Facts Interesting
  • 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
History
sing katutup
Smithson Tennant
Discovery
ing 1803
turah mbrawah
Turah mbrawah Ing Universe
0.00 % 23
Turah mbrawah Ing Sun
0.00 % 25
Turah mbrawah Ing meteorit
0.00 % 29
Turah mbrawah Ing bumi lemah ndhuwur
0.00 % 56
Turah mbrawah Ing Segara
-
Turah mbrawah Ing Manungsa
0.00 % 24
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.
Ulah Industrial
Industry automobile, Industry Listrik, Industry Elektronik
Ulah Medical
-
Ulah liyane
wesi
Properties biologi
keracunan
Toxic
Saiki ing badan Human
Ya
Sang
0.00 Sang / mg dm-3 40
ing Bone
0.00 ppm 41
fisik
leleh Point
2,410.00 ° C 7
Boiling Point
4,527.00 ° C 10
katon
State fisik
Solid
warna
perak Putih
luster
metallic
atose
Mohs atose
6.50 5
Brinell atose
1,670.00 MPa 5
Vickers atose
1,760.00 MPa 8
Kacepetan swara
4,825.00 m / s 17
Properties Optical
bias Index
2.40 7
reflectivity
78.00 % 8
allotropes
Ora
α allotropes
-
β allotropes
-
γ allotropes
-
Kimia
Formula Kimia
Ir
isotop
Isotop dikenal
34 5
keelektronegatifan
Pauling Elektronegativitas
2.20 5
Sanderson Elektronegativitas
2.20 8
Allred Rochow Elektronegativitas
1.55 12
Mulliken-Jaffe Elektronegativitas
2.20 6
Allen Elektronegativitas
1.68 20
Electropositivity
Pauling Electropositivity
1.80 50
tenogo ionisasi
Level Energy 1st
880.00 kJ / mol 9
Level Energy 2
1,600.00 kJ / mol 36
Level Energy 3rd
2,256.10 kJ / mol 62
Level Energy 4
880.00 kJ / mol 80
Level Energy 5th
8,800.00 kJ / mol 8
Level Energy 6th
8,800.00 kJ / mol 25
tingkat Energy 7
8,800.00 kJ / mol 22
Level Energy 8
8,800.00 kJ / mol 22
Level Energy 9
8,800.00 kJ / mol 21
Level Energy 10th
8,800.00 kJ / mol 23
Level Energy 11
8,800.00 kJ / mol 20
Level Energy 12
8,800.00 kJ / mol 40
Level Energy 13
8,800.00 kJ / mol 15
Level Energy 14
8,800.00 kJ / mol 14
Level Energy 15
88,000.00 kJ / mol 8
Level Energy 16
88,000.00 kJ / mol 9
Level Energy 17
880.00 kJ / mol 26
Level Energy 18
8,800.00 kJ / mol 15
Level Energy 19
880.00 kJ / mol 24
Level Energy 20
880.00 kJ / mol 14
Level Energy 21
880.00 kJ / mol 37
Level Energy 22
880.00 kJ / mol 12
Level Energy 23rd
8,800.00 kJ / mol 7
Level Energy 24
880.00 kJ / mol 8
Level Energy 25th
880.00 kJ / mol 6
Level Energy 26th
880.00 kJ / mol 6
Level Energy 27th
880.00 kJ / mol 5
Level Energy 28th
880.00 kJ / mol 8
Level Energy 29
880.00 kJ / mol 9
Level Energy 30
880.00 kJ / mol 6
padha karo elektrokimia
1.14 g / amp-day 58
Fungsi Work elektron
4.55 eV 18
Properties Kimia liyane
kebakar, ionisasi, Isotop radioaktif, Radioaktif
atom
Panggil atom
77 39
Konfigurasi elektron
[Xe] 4F 14 5d 7 6s 2
Struktur Crystal
Face tengah kubik (FCC)
Crystal pola
FCC-Crystal-Structure-of-Iridium.jpg#100
atom
Jumlah proton
74 41
Jumlah Neutron
110 28
Jumlah Èlèktron
74 41
Radius saka Atom
Radius atom
136.00 pm 43
kovalen Radius
141.00 pm 45
Van der Waals Radius
202.00 pm 34
Bobot atom
192.22 Amu 34
Volume atom
9.53 cm3 / mol 68
Nomer atom jejer
unsur Previous
44
Sabanjure unsur
20
Potensi Valence Electron
140.00 (-eV) 5
Constant pola
383.90 pm 29
pola Angles
π/2, π/2, π/2
Pola C / A rasio
1.58 35
Teknik
Kapadhetan
Kapadhetan Ing suhu kamar
22.56 g / cm 3 10
Kapadhetan Nalika Liquid (ing mp)
19.00 g / cm3 13
Strength tensile
2,000.00 MPa 2
viskositas
0.00 21
meksa beluk
Meksa beluk ing 1000 K
0.00 (Pa) 37
Meksa beluk ing 2000 K
0.00 (Pa) 26
situs kelenturan
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
-
Magnetic
Ciri Magnetic
Gravitasi tartamtu
21.78 12
Nindakake Magnetic
paramagnetic
permeabilitas
0.00 H / m 16
kelemahan
0.00 5
Properties Listrik
Property Listrik
Arman
resistivity
47.10 nΩ · m 44
konduktivitas listrik
0.19 10 6 / cm Ω 10
elektron Affinity
151.00 kJ / mol 4
termal
Kalor tartamtu
0.13 J / (kg K) 40
Graham Kapasitas kalor
25.10 J / mol · K 52
doyo termal
147.00 W / m · K 10
suhu kritis
2,719.00 K 8
Expansion termal
6.40 μm / (m · K) 66
enthalpy
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 60
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