barium mungsuh iridium
Tabel périodik
Symbol
Ba
Ir
Panggil Group
2
16
9
9
Panggil periode
6
6
Block
s pemblokiran
d block
Family unsur
alkalin bumi
transisi Metal
CAS Number
7440393
99+
7439885
99+
Jeneng papan Group
3M Im_
Fm_ 3M
Space Group Number
229.00
1
225.00
2
facts
Facts Interesting
Character length exceed error
- unsur Iridium occurs minangka wesi alam Platinum lan Osmium.
- unsur Iridium dikenal minangka paling metal resistance karat.
sumber
bumi lemah ndhuwur, Found in Minerals, Mining, Ores saka Minerals
Found in Minerals, Mining, Ores saka Minerals
History
sing katutup
Carl Wilhelm Scheele
Smithson Tennant
Discovery
ing taun 1772
ing 1803
turah mbrawah
Turah mbrawah Ing Universe
1 * 10-6 %
16
2 * 10-7 %
22
Turah mbrawah Ing Sun
~0.000001 %
18
~0.0000002 %
25
Turah mbrawah Ing meteorit
0.00 %
20
0.00 %
29
Turah mbrawah Ing bumi lemah ndhuwur
0.03 %
11
0.00 %
99+
Turah mbrawah Ing Segara
0.00 %
8
ora Sumadhiya
Turah mbrawah Ing Manungsa
0.00 %
12
ora Sumadhiya
ulah
Ulah lan Wuku
- Punika digugat ing Manufaktur Paint kimia lan Manufaktur kaca.
- Senyawa saka logam beracun; nanging isih barium sulfat punika insoluble lan diwenehi kanggo patients gerah saka kelainan pencernaan.
- 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 amunisi, Industry automobile, Industry Listrik, Industry Elektronik
Industry automobile, Industry Listrik, Industry Elektronik
Ulah Medical
NA
NA
Ulah liyane
wesi
wesi
Properties biologi
keracunan
Low Toxic
Toxic
Saiki ing badan Human
Ya
Ya
Sang
0.07 Sang / mg dm-3
15
ora Sumadhiya
ing Bone
70.00 ppm
9
ora Sumadhiya
fisik Properties
leleh Point
725.00 ° C
99+
2,410.00 ° C
7
Boiling Point
1,140.00 ° C
99+
4,527.00 ° C
10
katon
State fisik
Solid
Solid
warna
perak Gray
perak Putih
luster
NA
metallic
atose
Mohs atose
1.25
19
6.50
5
Brinell atose
ora Sumadhiya
1,670.00 MPa
5
Vickers atose
ora Sumadhiya
1,760.00 MPa
3
Kacepetan swara
1,620.00 m / s
99+
4,825.00 m / s
13
Properties Optical
reflectivity
ora Sumadhiya
78.00 %
6
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
Ba
Ir
isotop
Isotop dikenal
37
2
34
5
keelektronegatifan
Pauling Elektronegativitas
0.89
99+
2.20
4
Sanderson Elektronegativitas
0.68
28
ora Sumadhiya
Allred Rochow Elektronegativitas
0.97
38
1.55
11
Mulliken-Jaffe Elektronegativitas
0.88
22
ora Sumadhiya
Allen Elektronegativitas
0.88
99+
1.68
17
Electropositivity
Pauling Electropositivity
3.11
4
1.80
99+
tenogo ionisasi
Level Energy 1st
502.90 kJ / mol
99+
880.00 kJ / mol
9
Level Energy 2
965.20 kJ / mol
99+
1,600.00 kJ / mol
35
Level Energy 3rd
3,600.00 kJ / mol
14
ora Sumadhiya
padha karo elektrokimia
2.56 g / amp-day
20
1.14 g / amp-day
99+
Fungsi Work elektron
2.70 eV
99+
4.55 eV
13
Properties Kimia liyane
ionisasi, Isotop radioaktif, Radioaktif, kelarutan
kebakar, ionisasi, Isotop radioaktif, Radioaktif
atom Properties
Panggil atom
56
99+
77
39
Konfigurasi elektron
[Xe] 6s 2
[Xe] 4F 14 5d 7 6s 2
Struktur Crystal
Body tengah kubik (Bcc)
Face tengah kubik (FCC)
Crystal pola
BCC-Crystal-Structure-.jpg#100
FCC-Crystal-Structure-of-Iridium.jpg#100
atom
Jumlah proton
56
99+
74
99+
Jumlah Neutron
81
99+
110
27
Jumlah Èlèktron
56
99+
74
99+
Radius saka Atom
Radius atom
222.00 pm
4
136.00 pm
99+
kovalen Radius
215.00 pm
5
141.00 pm
99+
Van der Waals Radius
268.00 pm
6
202.00 pm
27
Bobot atom
137.33 Amu
99+
192.22 Amu
34
Volume atom
39.24 cm3 / mol
5
9.53 cm3 / mol
99+
Nomer atom jejer
Potensi Valence Electron
21.30 (-eV)
99+
140.00 (-eV)
5
Constant pola
502.80 pm
15
383.90 pm
26
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
3.51 g / cm 3
99+
22.56 g / cm 3
10
Kapadhetan Nalika Liquid (ing mp)
3.34 g / cm3
99+
19.00 g / cm3
3
Strength tensile
ora Sumadhiya
2,000.00 MPa
2
viskositas
ora Sumadhiya
ora Sumadhiya
meksa beluk
Meksa beluk ing 1000 K
7.11 (Pa)
6
ora Sumadhiya
Meksa beluk ing 2000 K
ora Sumadhiya
0.00 (Pa)
25
situs kelenturan
nyukur pengaturan
4.90 GPA
99+
210.00 GPA
2
pengaturan akeh
9.60 GPA
99+
320.00 GPA
3
Young kang pengaturan
13.00 GPA
99+
528.00 GPA
1
Poisson rasio
ora Sumadhiya
0.26
22
Properties Teknik liyane
NA
NA
Magnetic Properties
Ciri Magnetic
Gravitasi tartamtu
3.62
99+
21.78
3
Nindakake Magnetic
paramagnetic
paramagnetic
Properties Listrik
Property Listrik
superconductor
Arman
resistivity
332.00 nΩ · m
13
47.10 nΩ · m
99+
konduktivitas listrik
0.03 10 6 / cm Ω
40
0.19 10 6 / cm Ω
10
elektron Affinity
13.95 kJ / mol
36
151.00 kJ / mol
4
termal Properties
Kalor tartamtu
0.20 J / (kg K)
30
0.13 J / (kg K)
39
Graham Kapasitas kalor
28.07 J / mol · K
12
25.10 J / mol · K
99+
doyo termal
18.40 W / m · K
99+
147.00 W / m · K
10
suhu kritis
ora Sumadhiya
ora Sumadhiya
Expansion termal
20.60 μm / (m · K)
22
6.40 μm / (m · K)
99+
enthalpy
Enthalpy panguapan
140.00 kJ / mol
99+
799.10 kJ / mol
1
Enthalpy saka Fusion
7.66 kJ / mol
99+
35.23 kJ / mol
1
Enthalpy saka atomization
175.70 kJ / mol
99+
837.00 kJ / mol
1
Standard molar Entropy
62.50 J / mol.K
20
35.50 J / mol.K
99+
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