iridium mungsuh Beryllium
Tabel périodik
Symbol
Ir
Be
Panggil Group
9
9
2
16
Panggil periode
6
2
Block
d block
s pemblokiran
Family unsur
transisi Metal
alkalin bumi
CAS Number
7439885
99+
7440417
99+
Jeneng papan Group
Fm_ 3M
P63 / mmc
Space Group Number
225.00
2
194.00
5
facts
Facts Interesting
- unsur Iridium occurs minangka wesi alam Platinum lan Osmium.
- unsur Iridium dikenal minangka paling metal resistance karat.
- Beryllium paling logam anti karat.
- Beryllium punika logam ènthèng lan isih iku kuwat saka baja.
- Uga ketemu macem-macem aplikasi ing reaktor nuklir minangka reflektor.
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
Louis Nicolas Vauquelin
Discovery
ing 1803
ing 1797
turah mbrawah
Turah mbrawah Ing Universe
2 * 10-7 %
22
1 * 10-7 %
23
Turah mbrawah Ing Sun
~0.0000002 %
25
~0.00000001 %
29
Turah mbrawah Ing meteorit
0.00 %
29
0.00 %
99+
Turah mbrawah Ing bumi lemah ndhuwur
0.00 %
99+
0.00 %
35
Turah mbrawah Ing Segara
ora Sumadhiya
0.00 %
39
Turah mbrawah Ing Manungsa
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.
- Sawijining wesi karo tembaga utawa nikel sing digunakake ing Gyroscopes Manufaktur, sumber, kontak listrik lan pribadi non sparking.
- Wesi Beryllium digunakake minangka materi kanggo pesawat, pluru, wahana lan satelit.
Ulah Industrial
Industry automobile, Industry Listrik, Industry Elektronik
Industry Aerospace, Industry amunisi, Industry automobile, Industry Listrik, Industry Elektronik
Ulah Medical
NA
NA
Ulah liyane
wesi
wesi
Properties biologi
keracunan
Toxic
Toxic
Saiki ing badan Human
Ya
Ya
Sang
ora Sumadhiya
0.00 Sang / mg dm-3
32
ing Bone
ora Sumadhiya
0.00 ppm
32
fisik Properties
leleh Point
2,410.00 ° C
7
1,278.00 ° C
36
Boiling Point
4,527.00 ° C
10
2,970.00 ° C
32
katon
State fisik
Solid
Solid
warna
perak Putih
putih Gray
luster
metallic
metallic
atose
Mohs atose
6.50
5
5.50
7
Brinell atose
1,670.00 MPa
5
590.00 MPa
21
Vickers atose
1,760.00 MPa
3
1,670.00 MPa
4
Kacepetan swara
4,825.00 m / s
13
12,890.00 m / s
2
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
Be
isotop
Isotop dikenal
34
5
9
29
keelektronegatifan
Pauling Elektronegativitas
2.20
4
1.57
24
Sanderson Elektronegativitas
ora Sumadhiya
1.81
12
Allred Rochow Elektronegativitas
1.55
11
1.47
14
Mulliken-Jaffe Elektronegativitas
ora Sumadhiya
1.54
12
Allen Elektronegativitas
1.68
17
1.58
23
Electropositivity
Pauling Electropositivity
1.80
99+
2.43
30
tenogo ionisasi
Level Energy 1st
880.00 kJ / mol
9
899.50 kJ / mol
7
Level Energy 2
1,600.00 kJ / mol
35
1,757.10 kJ / mol
23
Level Energy 3rd
ora Sumadhiya
14,848.70 kJ / mol
2
Level Energy 4
ora Sumadhiya
21,006.60 kJ / mol
2
padha karo elektrokimia
1.14 g / amp-day
99+
0.17 g / amp-day
99+
Fungsi Work elektron
4.55 eV
13
4.98 eV
6
Properties Kimia liyane
kebakar, ionisasi, Isotop radioaktif, Radioaktif
Corrosion, ionisasi, Isotop radioaktif
atom Properties
Panggil atom
77
39
4
99+
Konfigurasi elektron
[Xe] 4F 14 5d 7 6s 2
[Panjenenganipun] 2S 2
Struktur Crystal
Face tengah kubik (FCC)
Hexagonal Tutup dikempalken (HCP)
Crystal pola
FCC-Crystal-Structure-of-Iridium.jpg#100
HCP-Crystal-Structure-of-Beryllium.jpg#100
atom
Jumlah proton
74
99+
4
99+
Jumlah Neutron
110
27
5
99+
Jumlah Èlèktron
74
99+
4
99+
Radius saka Atom
Radius atom
136.00 pm
99+
112.00 pm
99+
kovalen Radius
141.00 pm
99+
96.00 pm
99+
Van der Waals Radius
202.00 pm
27
153.00 pm
99+
Bobot atom
192.22 Amu
34
9.01 Amu
99+
Volume atom
9.53 cm3 / mol
99+
5.00 cm3 / mol
99+
Nomer atom jejer
Potensi Valence Electron
140.00 (-eV)
5
82.00 (-eV)
15
Constant pola
383.90 pm
26
228.58 pm
99+
pola Angles
π/2, π/2, π/2
π/2, π/2, π/2
Pola C / A rasio
ora Sumadhiya
1.57
18
Teknik Properties
Kapadhetan
Kapadhetan Ing suhu kamar
22.56 g / cm 3
10
1.85 g / cm 3
99+
Kapadhetan Nalika Liquid (ing mp)
19.00 g / cm3
3
1.69 g / cm3
99+
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)
19
Meksa beluk ing 2000 K
0.00 (Pa)
25
ora Sumadhiya
situs kelenturan
nyukur pengaturan
210.00 GPA
2
132.00 GPA
7
pengaturan akeh
320.00 GPA
3
130.00 GPA
13
Young kang pengaturan
528.00 GPA
1
287.00 GPA
7
Poisson rasio
0.26
22
0.03
35
Properties Teknik liyane
NA
NA
Magnetic Properties
Ciri Magnetic
Gravitasi tartamtu
21.78
3
1.85
99+
Nindakake Magnetic
paramagnetic
diamagnetic
Properties Listrik
Property Listrik
Arman
Semiconductor
resistivity
47.10 nΩ · m
99+
36.00 nΩ · m
99+
konduktivitas listrik
0.19 10 6 / cm Ω
10
0.31 10 6 / cm Ω
5
elektron Affinity
151.00 kJ / mol
4
0.00 kJ / mol
40
termal Properties
Kalor tartamtu
0.13 J / (kg K)
39
1.82 J / (kg K)
2
Graham Kapasitas kalor
25.10 J / mol · K
99+
16.44 J / mol · K
99+
doyo termal
147.00 W / m · K
10
200.00 W / m · K
6
suhu kritis
ora Sumadhiya
ora Sumadhiya
Expansion termal
6.40 μm / (m · K)
99+
11.30 μm / (m · K)
34
enthalpy
Enthalpy panguapan
799.10 kJ / mol
1
294.70 kJ / mol
30
Enthalpy saka Fusion
35.23 kJ / mol
1
11.72 kJ / mol
30
Enthalpy saka atomization
837.00 kJ / mol
1
326.40 kJ / mol
30
Standard molar Entropy
35.50 J / mol.K
99+
9.50 J / mol.K
99+
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