iridium mungsuh Lead
Tabel périodik
Symbol
Ir
Pb
Panggil Group
9
9
14
4
Panggil periode
6
6
Block
d block
p pemblokiran
Family unsur
transisi Metal
Transisi Post-
CAS Number
7439885
99+
7439921
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.
- Galena Mineral ngandhut meh 87% saka logam Lead ing, Galena punika sulfide Mineral.
- Sumber kasedhiya paling saka logam Lead dina iku dening ulang batre automobile.
sumber
Found in Minerals, Mining, Ores saka Minerals
bumi lemah ndhuwur, Found in Minerals, Mining, Ores logam, Ores saka Minerals
History
sing katutup
Smithson Tennant
Unknown
Discovery
ing 1803
Ing Tengah Easterns (7000 SM)
turah mbrawah
Turah mbrawah Ing Universe
2 * 10-7 %
22
1 * 10-6 %
16
Turah mbrawah Ing Sun
~0.0000002 %
25
~0.000001 %
18
Turah mbrawah Ing meteorit
0.00 %
29
0.00 %
23
Turah mbrawah Ing bumi lemah ndhuwur
0.00 %
99+
0.00 %
26
Turah mbrawah Ing Segara
ora Sumadhiya
0.00 %
22
Turah mbrawah Ing Manungsa
ora Sumadhiya
0.00 %
8
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.
- Sampeyan uga dipigunakaké ing insecticides, alami rambute lan minangka aditif anti-nuthuk kanggo bensin. Nanging kabeh iki dilarang déning pamaréntah minangka logam Lead dikenal kanggo ngrugekake kanggo kesehatan.
Ulah Industrial
Industry automobile, Industry Listrik, Industry Elektronik
Industri Kimia, Industry Listrik, Industry Elektronik
Ulah Medical
NA
Surgical Instruments Manufacturing
Ulah liyane
wesi
wesi
Properties biologi
keracunan
Toxic
Toxic
Saiki ing badan Human
Ya
Ya
Sang
ora Sumadhiya
0.21 Sang / mg dm-3
11
ing Bone
ora Sumadhiya
30.00 ppm
10
fisik Properties
leleh Point
2,410.00 ° C
7
327.50 ° C
99+
Boiling Point
4,527.00 ° C
10
1,740.00 ° C
99+
katon
State fisik
Solid
Solid
warna
perak Putih
Gray
luster
metallic
metallic
atose
Mohs atose
6.50
5
1.50
18
Brinell atose
1,670.00 MPa
5
38.00 MPa
99+
Vickers atose
1,760.00 MPa
3
ora Sumadhiya
Kacepetan swara
4,825.00 m / s
13
1,190.00 m / s
99+
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
Pb
isotop
Isotop dikenal
34
5
35
4
keelektronegatifan
Pauling Elektronegativitas
2.20
4
1.87
13
Sanderson Elektronegativitas
ora Sumadhiya
2.29
4
Allred Rochow Elektronegativitas
1.55
11
1.55
11
Mulliken-Jaffe Elektronegativitas
ora Sumadhiya
2.41
2
Allen Elektronegativitas
1.68
17
1.85
8
Electropositivity
Pauling Electropositivity
1.80
99+
1.67
99+
tenogo ionisasi
Level Energy 1st
880.00 kJ / mol
9
715.60 kJ / mol
31
Level Energy 2
1,600.00 kJ / mol
35
1,450.50 kJ / mol
99+
Level Energy 3rd
ora Sumadhiya
3,081.50 kJ / mol
23
Level Energy 4
ora Sumadhiya
4,083.00 kJ / mol
35
Level Energy 5th
ora Sumadhiya
6,640.00 kJ / mol
20
padha karo elektrokimia
1.14 g / amp-day
99+
3.87 g / amp-day
9
Fungsi Work elektron
4.55 eV
13
4.25 eV
21
Properties Kimia liyane
kebakar, ionisasi, Isotop radioaktif, Radioaktif
anti Corrosion, ionisasi, Isotop radioaktif
atom Properties
Panggil atom
77
39
82
34
Konfigurasi elektron
[Xe] 4F 14 5d 7 6s 2
[Xe] 4F 14 5d 10 6s 2 6p 2
Struktur Crystal
Face tengah kubik (FCC)
Face tengah kubik (FCC)
Crystal pola
FCC-Crystal-Structure-of-Iridium.jpg#100
FCC-Crystal-Structure-of-Lead.jpg#100
atom
Jumlah proton
74
99+
82
34
Jumlah Neutron
110
27
125
19
Jumlah Èlèktron
74
99+
82
34
Radius saka Atom
Radius atom
136.00 pm
99+
175.00 pm
19
kovalen Radius
141.00 pm
99+
146.00 pm
38
Van der Waals Radius
202.00 pm
27
202.00 pm
27
Bobot atom
192.22 Amu
34
207.20 Amu
30
Volume atom
9.53 cm3 / mol
99+
18.17 cm3 / mol
27
Nomer atom jejer
Potensi Valence Electron
140.00 (-eV)
5
24.20 (-eV)
99+
Constant pola
383.90 pm
26
495.08 pm
16
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
11.34 g / cm 3
33
Kapadhetan Nalika Liquid (ing mp)
19.00 g / cm3
3
10.66 g / cm3
15
Strength tensile
2,000.00 MPa
2
12.00 MPa
20
viskositas
ora Sumadhiya
ora Sumadhiya
meksa beluk
Meksa beluk ing 1000 K
ora Sumadhiya
1.64 (Pa)
7
Meksa beluk ing 2000 K
0.00 (Pa)
25
ora Sumadhiya
situs kelenturan
nyukur pengaturan
210.00 GPA
2
5.60 GPA
99+
pengaturan akeh
320.00 GPA
3
46.00 GPA
24
Young kang pengaturan
528.00 GPA
1
16.00 GPA
99+
Poisson rasio
0.26
22
0.44
3
Properties Teknik liyane
NA
ductile, malleable
Magnetic Properties
Ciri Magnetic
Gravitasi tartamtu
21.78
3
11.35
25
Nindakake Magnetic
paramagnetic
diamagnetic
Properties Listrik
Property Listrik
Arman
Arman miskin
resistivity
47.10 nΩ · m
99+
208.00 nΩ · m
16
konduktivitas listrik
0.19 10 6 / cm Ω
10
0.05 10 6 / cm Ω
36
elektron Affinity
151.00 kJ / mol
4
35.10 kJ / mol
28
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+
26.65 J / mol · K
26
doyo termal
147.00 W / m · K
10
35.30 W / m · K
38
suhu kritis
ora Sumadhiya
ora Sumadhiya
Expansion termal
6.40 μm / (m · K)
99+
28.90 μm / (m · K)
13
enthalpy
Enthalpy panguapan
799.10 kJ / mol
1
179.40 kJ / mol
99+
Enthalpy saka Fusion
35.23 kJ / mol
1
4.77 kJ / mol
99+
Enthalpy saka atomization
837.00 kJ / mol
1
194.60 kJ / mol
99+
Standard molar Entropy
35.50 J / mol.K
99+
64.80 J / mol.K
17
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