iridium mungsuh Platinum
Tabel périodik
Symbol
Ir
Pt
Panggil Group
9
9
10
8
Panggil periode
6
6
Block
d block
d block
Family unsur
transisi Metal
transisi Metal
CAS Number
7439885
99+
7440064
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.
- Platinum punika logam paling langka saka kategori logam larang regane ..
- Iklan Platinum diprodhuksi minangka prodhuk sampingan ores saka nikel.
sumber
Found in Minerals, Mining, Ores saka Minerals
Mining, Ores logam, Ores saka Minerals
History
sing katutup
Smithson Tennant
Antonio de Ulloa
Discovery
ing 1803
ing 1735
turah mbrawah
Turah mbrawah Ing Universe
2 * 10-7 %
22
5 * 10-7 %
19
Turah mbrawah Ing Sun
~0.0000002 %
25
~0.0000009 %
19
Turah mbrawah Ing meteorit
0.00 %
29
0.00 %
25
Turah mbrawah Ing bumi lemah ndhuwur
0.00 %
99+
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.
- Platinum logam utamané dipigunakaké ing perhiasan.
- Platinum digunakake minangka katalis industri ing asam nitrat, silikon lan benzena.
Ulah Industrial
Industry automobile, Industry Listrik, Industry Elektronik
Industry Aerospace, Industri Kimia
Ulah Medical
NA
Dentistry, Industry Pharmaceutical, Surgical Instruments Manufacturing
Ulah liyane
wesi
wesi, bullion, koin, Jewellery, patung, Statues
Properties biologi
keracunan
Toxic
non Toxic
Saiki ing badan Human
Ya
Ora
fisik Properties
leleh Point
2,410.00 ° C
7
1,772.00 ° C
16
Boiling Point
4,527.00 ° C
10
3,827.00 ° C
15
katon
State fisik
Solid
Solid
warna
perak Putih
perak Putih
luster
metallic
metallic
atose
Mohs atose
6.50
5
3.50
11
Brinell atose
1,670.00 MPa
5
300.00 MPa
34
Vickers atose
1,760.00 MPa
3
400.00 MPa
25
Kacepetan swara
4,825.00 m / s
13
2,800.00 m / s
29
Properties Optical
reflectivity
78.00 %
6
73.00 %
8
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
Pt
isotop
Isotop dikenal
34
5
35
4
keelektronegatifan
Pauling Elektronegativitas
2.20
4
2.28
3
Allred Rochow Elektronegativitas
1.55
11
1.44
17
Allen Elektronegativitas
1.68
17
1.72
16
Electropositivity
Pauling Electropositivity
1.80
99+
1.72
99+
tenogo ionisasi
Level Energy 1st
880.00 kJ / mol
9
870.00 kJ / mol
10
Level Energy 2
1,600.00 kJ / mol
35
1,791.00 kJ / mol
21
padha karo elektrokimia
1.14 g / amp-day
99+
1.82 g / amp-day
35
Fungsi Work elektron
4.55 eV
13
5.65 eV
1
Properties Kimia liyane
kebakar, ionisasi, Isotop radioaktif, Radioaktif
Kimia Stabilitas, anti Corrosion, ionisasi
atom Properties
Panggil atom
77
39
78
38
Konfigurasi elektron
[Xe] 4F 14 5d 7 6s 2
[Xe] 4F 14 5d 9 6s 1
Struktur Crystal
Face tengah kubik (FCC)
Face tengah kubik (FCC)
Crystal pola
FCC-Crystal-Structure-of-Iridium.jpg#100
FCC-Crystal-Structure-of-Platinum.jpg#100
atom
Jumlah proton
74
99+
78
38
Jumlah Neutron
110
27
117
24
Jumlah Èlèktron
74
99+
78
38
Radius saka Atom
Radius atom
136.00 pm
99+
139.00 pm
39
kovalen Radius
141.00 pm
99+
136.00 pm
99+
Van der Waals Radius
202.00 pm
27
175.00 pm
36
Bobot atom
192.22 Amu
34
47.87 Amu
99+
Volume atom
9.53 cm3 / mol
99+
9.09 cm3 / mol
99+
Nomer atom jejer
Potensi Valence Electron
140.00 (-eV)
5
392.42 (-eV)
1
Constant pola
383.90 pm
26
392.42 pm
24
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
21.45 g / cm 3
11
Kapadhetan Nalika Liquid (ing mp)
19.00 g / cm3
3
19.77 g / cm3
2
Strength tensile
2,000.00 MPa
2
125.00 MPa
14
viskositas
ora Sumadhiya
ora Sumadhiya
meksa beluk
Meksa beluk ing 2000 K
0.00 (Pa)
25
0.07 (Pa)
18
situs kelenturan
nyukur pengaturan
210.00 GPA
2
61.00 GPA
14
pengaturan akeh
320.00 GPA
3
230.00 GPA
6
Young kang pengaturan
528.00 GPA
1
168.00 GPA
14
Poisson rasio
0.26
22
0.38
6
Properties Teknik liyane
NA
ductile, malleable
Magnetic Properties
Ciri Magnetic
Gravitasi tartamtu
21.78
3
21.45
4
Nindakake Magnetic
paramagnetic
paramagnetic
permeabilitas
ora Sumadhiya
0.00 H / m
3
Properties Listrik
Property Listrik
Arman
Arman
resistivity
47.10 nΩ · m
99+
105.00 nΩ · m
30
konduktivitas listrik
0.19 10 6 / cm Ω
10
0.10 10 6 / cm Ω
21
elektron Affinity
151.00 kJ / mol
4
205.30 kJ / mol
2
termal Properties
Kalor tartamtu
0.13 J / (kg K)
39
0.13 J / (kg K)
39
Graham Kapasitas kalor
25.10 J / mol · K
99+
25.86 J / mol · K
35
doyo termal
147.00 W / m · K
10
71.60 W / m · K
24
suhu kritis
ora Sumadhiya
ora Sumadhiya
Expansion termal
6.40 μm / (m · K)
99+
8.80 μm / (m · K)
99+
enthalpy
Enthalpy panguapan
799.10 kJ / mol
1
510.50 kJ / mol
11
Enthalpy saka Fusion
35.23 kJ / mol
1
19.70 kJ / mol
12
Enthalpy saka atomization
837.00 kJ / mol
1
565.00 kJ / mol
11
Standard molar Entropy
35.50 J / mol.K
99+
41.60 J / mol.K
36
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