iridium mungsuh Silver
Tabel périodik
Symbol
Ir
Ag
Panggil Group
9
9
11
7
Panggil periode
6
5
Block
d block
d block
Family unsur
transisi Metal
transisi Metal
CAS Number
7439885
99+
7440224
99+
Jeneng papan Group
Fm_ 3M
Fm_ 3M
Space Group Number
225.00
2
225.00
2
facts
Facts Interesting
- unsur Iridium occurs minangka wesi alam Platinum lan Osmium.
- unsur Iridium dikenal minangka paling metal resistance karat.
- Kuwi unsur paling termenung.
- Silver punika logam ductile paling kapindho sawisé Gold.
- Sampeyan uga dipigunakaké ing Dentistry minangka wesi dental klip lan penobatan.
sumber
Found in Minerals, Mining, Ores saka Minerals
bumi lemah ndhuwur, Found in Minerals, Ores logam
History
sing katutup
Smithson Tennant
Unknown
Discovery
ing 1803
Sadurunge 5000 BC
turah mbrawah
Turah mbrawah Ing Universe
2 * 10-7 %
22
6 * 10-8 %
26
Turah mbrawah Ing Sun
~0.0000002 %
25
~0.0000001 %
26
Turah mbrawah Ing meteorit
0.00 %
29
0.00 %
38
Turah mbrawah Ing bumi lemah ndhuwur
0.00 %
99+
0.00 %
99+
Turah mbrawah Ing Segara
ora Sumadhiya
0.00 %
19
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.
- Silver utamané dipigunakaké kanggo Jewelry lan nuduhake Piece.
- Kang digunakake kanggo Manufaktur mirrors kualitas dhuwur amarga bisa reflectivity sawijining.
Ulah Industrial
Industry automobile, Industry Listrik, Industry Elektronik
Industri Kimia, Industry Clothing, Industry Listrik
Ulah Medical
NA
Dentistry, Industry Pharmaceutical
Ulah liyane
wesi
wesi, bullion, koin, Jewellery, patung, Statues
Properties biologi
keracunan
Toxic
non Toxic
Saiki ing badan Human
Ya
Ya
Sang
ora Sumadhiya
0.00 Sang / mg dm-3
29
ing Bone
ora Sumadhiya
0.44 ppm
20
fisik Properties
leleh Point
2,410.00 ° C
7
961.93 ° C
99+
Boiling Point
4,527.00 ° C
10
2,212.00 ° C
99+
katon
State fisik
Solid
Solid
warna
perak Putih
perak Putih
luster
metallic
metallic
atose
Mohs atose
6.50
5
2.50
14
Brinell atose
1,670.00 MPa
5
251.00 MPa
37
Vickers atose
1,760.00 MPa
3
229.00 MPa
30
Kacepetan swara
4,825.00 m / s
13
2,680.00 m / s
34
Properties Optical
reflectivity
78.00 %
6
97.00 %
1
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
Ag
isotop
Isotop dikenal
34
5
36
3
keelektronegatifan
Pauling Elektronegativitas
2.20
4
1.93
9
Sanderson Elektronegativitas
ora Sumadhiya
1.83
11
Allred Rochow Elektronegativitas
1.55
11
1.42
18
Mulliken-Jaffe Elektronegativitas
ora Sumadhiya
1.47
15
Allen Elektronegativitas
1.68
17
1.87
7
Electropositivity
Pauling Electropositivity
1.80
99+
2.07
99+
tenogo ionisasi
Level Energy 1st
880.00 kJ / mol
9
731.00 kJ / mol
27
Level Energy 2
1,600.00 kJ / mol
35
2,070.00 kJ / mol
11
Level Energy 3rd
ora Sumadhiya
3,361.00 kJ / mol
19
padha karo elektrokimia
1.14 g / amp-day
99+
4.02 g / amp-day
7
Fungsi Work elektron
4.55 eV
13
4.26 eV
20
Properties Kimia liyane
kebakar, ionisasi, Isotop radioaktif, Radioaktif
Kimia Stabilitas, ionisasi, kelarutan
atom Properties
Panggil atom
77
39
47
99+
Konfigurasi elektron
[Xe] 4F 14 5d 7 6s 2
[Kr] 4d 10 5S 1
Struktur Crystal
Face tengah kubik (FCC)
Face tengah kubik (FCC)
Crystal pola
FCC-Crystal-Structure-of-Iridium.jpg#100
FCC-Crystal-Structure-of-Silver.jpg#100
atom
Jumlah proton
74
99+
47
99+
Jumlah Neutron
110
27
61
99+
Jumlah Èlèktron
74
99+
47
99+
Radius saka Atom
Radius atom
136.00 pm
99+
144.00 pm
36
kovalen Radius
141.00 pm
99+
145.00 pm
39
Van der Waals Radius
202.00 pm
27
172.00 pm
38
Bobot atom
192.22 Amu
34
107.87 Amu
99+
Volume atom
9.53 cm3 / mol
99+
10.30 cm3 / mol
99+
Nomer atom jejer
Potensi Valence Electron
140.00 (-eV)
5
11.40 (-eV)
99+
Constant pola
383.90 pm
26
408.53 pm
20
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
10.49 g / cm 3
35
Kapadhetan Nalika Liquid (ing mp)
19.00 g / cm3
3
9.32 g / cm3
21
Strength tensile
2,000.00 MPa
2
ora Sumadhiya
viskositas
ora Sumadhiya
ora Sumadhiya
meksa beluk
Meksa beluk ing 1000 K
ora Sumadhiya
0.00 (Pa)
14
Meksa beluk ing 2000 K
0.00 (Pa)
25
ora Sumadhiya
situs kelenturan
nyukur pengaturan
210.00 GPA
2
30.00 GPA
23
pengaturan akeh
320.00 GPA
3
100.00 GPA
16
Young kang pengaturan
528.00 GPA
1
83.00 GPA
23
Poisson rasio
0.26
22
0.37
7
Properties Teknik liyane
NA
ductile, malleable
Magnetic Properties
Ciri Magnetic
Gravitasi tartamtu
21.78
3
10.50
26
Nindakake Magnetic
paramagnetic
diamagnetic
kelemahan
ora Sumadhiya
0.00
5
Properties Listrik
Property Listrik
Arman
Arman
resistivity
47.10 nΩ · m
99+
15.87 nΩ · m
99+
konduktivitas listrik
0.19 10 6 / cm Ω
10
0.63 10 6 / cm Ω
1
elektron Affinity
151.00 kJ / mol
4
125.60 kJ / mol
5
termal Properties
Kalor tartamtu
0.13 J / (kg K)
39
0.24 J / (kg K)
25
Graham Kapasitas kalor
25.10 J / mol · K
99+
25.35 J / mol · K
99+
doyo termal
147.00 W / m · K
10
429.00 W / m · K
1
suhu kritis
ora Sumadhiya
ora Sumadhiya
Expansion termal
6.40 μm / (m · K)
99+
18.90 μm / (m · K)
23
enthalpy
Enthalpy panguapan
799.10 kJ / mol
1
255.10 kJ / mol
37
Enthalpy saka Fusion
35.23 kJ / mol
1
11.30 kJ / mol
31
Enthalpy saka atomization
837.00 kJ / mol
1
284.50 kJ / mol
37
Standard molar Entropy
35.50 J / mol.K
99+
42.60 J / mol.K
35
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