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Hafnium metal
Hafnium


Tabel périodik
Symbol
Hf
Panggil Group
4 14
Panggil periode
6 2
Block
d block
Family unsur
transisi Metal
CAS Number
7440586 30
Jeneng papan Group
P63 / mmc
Space Group Number
194.00 7
facts
Facts Interesting
  • Hafnium logam reaktif, Empu ora ketemu gratis ing alam.
  • metal Hafnium minangka predicated sawise Mendeleev rampung tabel périodik kang.
sumber
Miturut-produk Nyaring panggolekan Zirconium
History
sing katutup
Dirk Coster and George de Hevesy
Discovery
ing taun 1922
turah mbrawah
Turah mbrawah Ing Universe
0.00 % 26
Turah mbrawah Ing Sun
0.00 % 26
Turah mbrawah Ing meteorit
0.00 % 37
Turah mbrawah Ing bumi lemah ndhuwur
0.00 % 31
Turah mbrawah Ing Segara
0.00 % 27
Turah mbrawah Ing Manungsa
0.00 % 14
ulah
Ulah lan Wuku
  • Nduwe kemampuan kanggo nyerep neutron lan mula digunakake kanggo nggawe rod kontrol ing kapal selam nuklir. Lan logam iki uga digunakake ing obor welding Plasma.
  • Iku wesi karo wesi, titanium lan niobium banget migunani.
Ulah Industrial
Industry amunisi
Ulah Medical
-
Ulah liyane
wesi, Ing Reactors Nuclear, Nuclear Riset, tujuan Research
Properties biologi
keracunan
Toxic
Saiki ing badan Human
Ora
Sang
0.00 Sang / mg dm-3 40
ing Bone
0.00 ppm 41
fisik
leleh Point
2,150.00 ° C 10
Boiling Point
5,400.00 ° C 5
katon
State fisik
Solid
warna
Gray
luster
metallic
atose
Mohs atose
5.50 7
Brinell atose
1,450.00 MPa 6
Vickers atose
1,520.00 MPa 10
Kacepetan swara
3,010.00 m / s 39
Properties Optical
bias Index
2.00 15
reflectivity
71.00 % 12
allotropes
Ora
α allotropes
-
β allotropes
-
γ allotropes
-
Kimia
Formula Kimia
Hf
isotop
Isotop dikenal
32 7
keelektronegatifan
Pauling Elektronegativitas
1.30 33
Sanderson Elektronegativitas
1.30 25
Allred Rochow Elektronegativitas
1.23 26
Mulliken-Jaffe Elektronegativitas
1.30 33
Allen Elektronegativitas
1.16 51
Electropositivity
Pauling Electropositivity
2.70 22
tenogo ionisasi
Level Energy 1st
658.50 kJ / mol 40
Level Energy 2
1,440.00 kJ / mol 45
Level Energy 3rd
2,250.00 kJ / mol 63
Level Energy 4
3,216.00 kJ / mol 73
Level Energy 5th
6,585.00 kJ / mol 33
Level Energy 6th
6,585.00 kJ / mol 50
tingkat Energy 7
6,580.00 kJ / mol 43
Level Energy 8
6,580.00 kJ / mol 41
Level Energy 9
6,585.00 kJ / mol 38
Level Energy 10th
6,590.00 kJ / mol 40
Level Energy 11
6,585.00 kJ / mol 40
Level Energy 12
6,580.00 kJ / mol 56
Level Energy 13
6,580.00 kJ / mol 35
Level Energy 14
658.50 kJ / mol 83
Level Energy 15
65,800.00 kJ / mol 34
Level Energy 16
658.50 kJ / mol 77
Level Energy 17
658.50 kJ / mol 45
Level Energy 18
6,585.00 kJ / mol 36
Level Energy 19
658.50 kJ / mol 42
Level Energy 20
658.00 kJ / mol 37
Level Energy 21
658.50 kJ / mol 56
Level Energy 22
658.00 kJ / mol 31
Level Energy 23rd
658.50 kJ / mol 55
Level Energy 24
658.50 kJ / mol 31
Level Energy 25th
658.00 kJ / mol 33
Level Energy 26th
658.50 kJ / mol 32
Level Energy 27th
658.50 kJ / mol 33
Level Energy 28th
658.50 kJ / mol 38
Level Energy 29
658.50 kJ / mol 39
Level Energy 30
658.00 kJ / mol 35
padha karo elektrokimia
1.66 g / amp-day 48
Fungsi Work elektron
3.90 eV 36
Properties Kimia liyane
anti Corrosion, ionisasi, Isotop radioaktif, kelarutan
atom
Panggil atom
72 44
Konfigurasi elektron
[Xe] 4F 14 5d 2 6s 2
Struktur Crystal
Hexagonal Tutup dikempalken (HCP)
Crystal pola
BCC-Crystal-Structure-.jpg#100
atom
Jumlah proton
72 43
Jumlah Neutron
106 30
Jumlah Èlèktron
72 43
Radius saka Atom
Radius atom
159.00 pm 30
kovalen Radius
175.00 pm 25
Van der Waals Radius
200.00 pm 35
Bobot atom
178.49 Amu 39
Volume atom
13.60 cm3 / mol 55
Nomer atom jejer
unsur Previous
80
Sabanjure unsur
57
Potensi Valence Electron
81.00 (-eV) 16
Constant pola
319.64 pm 62
pola Angles
π/2, π/2, 2 π/3
Pola C / A rasio
1.58 34
Teknik
Kapadhetan
Kapadhetan Ing suhu kamar
13.31 g / cm 3 27
Kapadhetan Nalika Liquid (ing mp)
12.00 g / cm3 31
Strength tensile
445.00 MPa 9
viskositas
0.00 28
meksa beluk
Meksa beluk ing 1000 K
0.00 (Pa) 37
Meksa beluk ing 2000 K
0.00 (Pa) 25
situs kelenturan
nyukur pengaturan
30.00 GPA 27
pengaturan akeh
110.00 GPA 15
Young kang pengaturan
78.00 GPA 27
Poisson rasio
0.37 7
Properties Teknik liyane
ductile, malleable
Magnetic
Ciri Magnetic
Gravitasi tartamtu
13.31 30
Nindakake Magnetic
paramagnetic
permeabilitas
0.00 H / m 9
kelemahan
0.00 13
Properties Listrik
Property Listrik
Arman
resistivity
331.00 nΩ · m 14
konduktivitas listrik
0.03 10 6 / cm Ω 44
elektron Affinity
0.00 kJ / mol 49
termal
Kalor tartamtu
0.14 J / (kg K) 38
Graham Kapasitas kalor
25.73 J / mol · K 45
doyo termal
23.00 W / m · K 42
suhu kritis
2,500.00 K 11
Expansion termal
5.90 μm / (m · K) 69
enthalpy
Enthalpy panguapan
661.10 kJ / mol 6
Enthalpy saka Fusion
25.10 kJ / mol 8
Enthalpy saka atomization
703.00 kJ / mol 5
Standard molar Entropy
43.60 J / mol.K 46
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