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