tungsten mungsuh Hafnium
Tabel périodik
Symbol
W
Hf
Panggil Group
6
12
4
14
Panggil periode
6
6
Block
d block
d block
Family unsur
transisi Metal
transisi Metal
CAS Number
7440337
99+
7440586
30
Jeneng papan Group
3M Im_
P63 / mmc
Space Group Number
229.00
1
194.00
5
facts
Facts Interesting
- unsur Tungsten nduweni titik leleh paling dhuwur.
- tungsten Pure bisa gampang Cut mudhun karo bantuan saka hacksaw.
- Hafnium logam reaktif, Empu ora ketemu gratis ing alam.
- metal Hafnium minangka predicated sawise Mendeleev rampung tabel périodik kang.
sumber
bumi lemah ndhuwur, Found in Minerals, Mining, Ores saka Minerals
Miturut-produk Nyaring panggolekan Zirconium
History
sing katutup
Not Available
Dirk Coster and George de Hevesy
Discovery
ing taun 1781
ing taun 1922
turah mbrawah
Turah mbrawah Ing Universe
5 * 10-8 %
27
7 * 10-8 %
25
Turah mbrawah Ing Sun
~0.0000004 %
23
~0.0000001 %
26
Turah mbrawah Ing meteorit
0.00 %
39
0.00 %
37
Turah mbrawah Ing bumi lemah ndhuwur
0.00 %
39
0.00 %
31
Turah mbrawah Ing Segara
0.00 %
18
0.00 %
27
ulah
Ulah lan Wuku
- Tungsten lan wesi digunakake ing dhuwur-suhu aplikasi kaya elektrods welding, pawon-suhu dhuwur, etc.
- Tungsten carbide banget hard lan digunakake ing apa logam, mining lan gas.
Character length exceed error
Ulah Industrial
Industry Aerospace, Industry automobile, Industry Listrik, Industry Elektronik
Industry amunisi
Ulah Medical
NA
NA
Ulah liyane
wesi
wesi, Ing Reactors Nuclear, Nuclear Riset, tujuan Research
Properties biologi
keracunan
non Toxic
Toxic
Saiki ing badan Human
Ya
Ora
Sang
0.00 Sang / mg dm-3
31
ora Sumadhiya
ing Bone
0.00 ppm
35
ora Sumadhiya
fisik Properties
leleh Point
3,410.00 ° C
1
2,150.00 ° C
10
Boiling Point
5,660.00 ° C
1
5,400.00 ° C
5
katon
State fisik
Solid
Solid
warna
klawu putih
Gray
luster
lustrous
metallic
atose
Mohs atose
7.50
2
5.50
7
Brinell atose
2,000.00 MPa
4
1,450.00 MPa
6
Vickers atose
3,430.00 MPa
1
1,520.00 MPa
5
Kacepetan swara
4,620.00 m / s
16
3,010.00 m / s
27
Properties Optical
reflectivity
62.00 %
13
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
W
Hf
isotop
Isotop dikenal
33
6
32
7
keelektronegatifan
Pauling Elektronegativitas
2.36
2
1.30
32
Sanderson Elektronegativitas
0.98
23
ora Sumadhiya
Allred Rochow Elektronegativitas
1.40
19
1.23
25
Allen Elektronegativitas
1.47
29
1.16
37
Electropositivity
Pauling Electropositivity
1.64
99+
2.70
22
tenogo ionisasi
Level Energy 1st
770.00 kJ / mol
16
658.50 kJ / mol
40
Level Energy 2
1,700.00 kJ / mol
29
1,440.00 kJ / mol
99+
Level Energy 3rd
ora Sumadhiya
2,250.00 kJ / mol
99+
Level Energy 4
ora Sumadhiya
3,216.00 kJ / mol
99+
padha karo elektrokimia
1.14 g / amp-day
99+
1.66 g / amp-day
99+
Fungsi Work elektron
4.55 eV
13
3.90 eV
27
Properties Kimia liyane
ionisasi, Isotop radioaktif, kelarutan
anti Corrosion, ionisasi, Isotop radioaktif, kelarutan
atom Properties
Panggil atom
74
99+
72
99+
Konfigurasi elektron
[Xe] 4F 14 5d 4 6s 2
[Xe] 4F 14 5d 2 6s 2
Struktur Crystal
Body tengah kubik (Bcc)
Hexagonal Tutup dikempalken (HCP)
Crystal pola
BCC-Crystal-Structure-.jpg#100
BCC-Crystal-Structure-.jpg#100
atom
Jumlah proton
74
99+
72
99+
Jumlah Neutron
110
27
106
29
Jumlah Èlèktron
74
99+
72
99+
Radius saka Atom
Radius atom
139.00 pm
39
159.00 pm
28
kovalen Radius
162.00 pm
29
175.00 pm
23
Van der Waals Radius
200.00 pm
28
200.00 pm
28
Bobot atom
183.84 Amu
37
178.49 Amu
39
Volume atom
9.53 cm3 / mol
99+
13.60 cm3 / mol
38
Nomer atom jejer
Potensi Valence Electron
140.00 (-eV)
5
81.00 (-eV)
16
Constant pola
316.52 pm
99+
319.64 pm
99+
pola Angles
π/2, π/2, π/2
π/2, π/2, 2 π/3
Pola C / A rasio
ora Sumadhiya
1.58
12
Teknik Properties
Kapadhetan
Kapadhetan Ing suhu kamar
19.25 g / cm 3
16
13.31 g / cm 3
26
Kapadhetan Nalika Liquid (ing mp)
17.60 g / cm3
5
12.00 g / cm3
12
Strength tensile
370.00 MPa
10
445.00 MPa
8
viskositas
ora Sumadhiya
ora Sumadhiya
meksa beluk
Meksa beluk ing 2000 K
0.00 (Pa)
32
0.00 (Pa)
24
situs kelenturan
nyukur pengaturan
161.00 GPA
5
30.00 GPA
23
pengaturan akeh
310.00 GPA
4
110.00 GPA
15
Young kang pengaturan
411.00 GPA
4
78.00 GPA
25
Poisson rasio
0.28
17
0.37
7
Properties Teknik liyane
ductile, malleable
ductile, malleable
Magnetic Properties
Ciri Magnetic
Gravitasi tartamtu
19.22
9
13.31
18
Nindakake Magnetic
paramagnetic
paramagnetic
Properties Listrik
Property Listrik
superconductor
Arman
resistivity
52.80 nΩ · m
99+
331.00 nΩ · m
14
konduktivitas listrik
0.19 10 6 / cm Ω
10
0.03 10 6 / cm Ω
39
elektron Affinity
78.60 kJ / mol
13
0.00 kJ / mol
40
termal Properties
Kalor tartamtu
0.13 J / (kg K)
39
0.14 J / (kg K)
37
Graham Kapasitas kalor
24.27 J / mol · K
99+
25.73 J / mol · K
36
doyo termal
173.00 W / m · K
7
23.00 W / m · K
99+
suhu kritis
ora Sumadhiya
ora Sumadhiya
Expansion termal
4.50 μm / (m · K)
99+
5.90 μm / (m · K)
99+
enthalpy
Enthalpy panguapan
799.10 kJ / mol
1
661.10 kJ / mol
5
Enthalpy saka Fusion
35.23 kJ / mol
1
25.10 kJ / mol
8
Enthalpy saka atomization
837.00 kJ / mol
1
703.00 kJ / mol
5
Standard molar Entropy
32.60 J / mol.K
99+
43.60 J / mol.K
34
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