Hafnium mungsuh tantalum
Tabel périodik
Symbol
Hf
Ta
Panggil Group
4
14
5
13
Panggil periode
6
6
Block
d block
d block
Family unsur
transisi Metal
transisi Metal
CAS Number
7440586
30
7440257
99+
Jeneng papan Group
P63 / mmc
3M Im_
Space Group Number
194.00
5
229.00
1
facts
Facts Interesting
- Hafnium logam reaktif, Empu ora ketemu gratis ing alam.
- metal Hafnium minangka predicated sawise Mendeleev rampung tabel périodik kang.
- Tantalum logam dikenal minangka resistance karat.
- Tantalum logam bisa gampang fabricated lan Punika dirijen apik saka panas lan listrik.
sumber
Miturut-produk Nyaring panggolekan Zirconium
Found in Minerals, Mining, Ores saka Minerals
History
sing katutup
Dirk Coster and George de Hevesy
Anders Gustaf Ekeberg
Discovery
ing taun 1922
ing taun 1802
turah mbrawah
Turah mbrawah Ing Universe
7 * 10-8 %
25
8 * 10-9 %
31
Turah mbrawah Ing Sun
~0.0000001 %
26
~-9999 %
Turah mbrawah Ing meteorit
0.00 %
37
0.00 %
99+
Turah mbrawah Ing bumi lemah ndhuwur
0.00 %
31
0.00 %
37
Turah mbrawah Ing Segara
0.00 %
27
0.00 %
31
ulah
Ulah lan Wuku
Character length exceed error
Character length exceed error
Ulah Industrial
Industry amunisi
Industry Listrik, Industry Elektronik
Ulah Medical
NA
NA
Ulah liyane
wesi, Ing Reactors Nuclear, Nuclear Riset, tujuan Research
wesi
Properties biologi
keracunan
Toxic
Low Toxic
Saiki ing badan Human
Ora
Ya
ing Bone
ora Sumadhiya
0.03 ppm
28
fisik Properties
leleh Point
2,150.00 ° C
10
2,996.00 ° C
4
Boiling Point
5,400.00 ° C
5
5,425.00 ° C
4
katon
State fisik
Solid
Solid
warna
Gray
Gray Blue
luster
metallic
metallic
atose
Mohs atose
5.50
7
6.50
5
Brinell atose
1,450.00 MPa
6
440.00 MPa
28
Vickers atose
1,520.00 MPa
5
870.00 MPa
12
Kacepetan swara
3,010.00 m / s
27
3,400.00 m / s
22
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
Hf
Ta
isotop
Isotop dikenal
32
7
31
8
keelektronegatifan
Pauling Elektronegativitas
1.30
32
1.50
27
Allred Rochow Elektronegativitas
1.23
25
1.33
22
Allen Elektronegativitas
1.16
37
1.34
33
Electropositivity
Pauling Electropositivity
2.70
22
2.50
27
tenogo ionisasi
Level Energy 1st
658.50 kJ / mol
40
761.00 kJ / mol
18
Level Energy 2
1,440.00 kJ / mol
99+
1,500.00 kJ / mol
40
Level Energy 3rd
2,250.00 kJ / mol
99+
ora Sumadhiya
Level Energy 4
3,216.00 kJ / mol
99+
ora Sumadhiya
padha karo elektrokimia
1.66 g / amp-day
99+
1.35 g / amp-day
99+
Fungsi Work elektron
3.90 eV
27
4.25 eV
21
Properties Kimia liyane
anti Corrosion, ionisasi, Isotop radioaktif, kelarutan
anti Corrosion, ionisasi, Isotop radioaktif, Radioaktif, kelarutan
atom Properties
Panggil atom
72
99+
73
99+
Konfigurasi elektron
[Xe] 4F 14 5d 2 6s 2
[Xe] 4F 14 5d 3 6s 2
Struktur Crystal
Hexagonal Tutup dikempalken (HCP)
Body tengah kubik (Bcc)
Crystal pola
BCC-Crystal-Structure-.jpg#100
BCC-Crystal-Structure-.jpg#100
atom
Jumlah proton
72
99+
73
99+
Jumlah Neutron
106
29
108
28
Jumlah Èlèktron
72
99+
73
99+
Radius saka Atom
Radius atom
159.00 pm
28
146.00 pm
35
kovalen Radius
175.00 pm
23
170.00 pm
25
Van der Waals Radius
200.00 pm
28
200.00 pm
28
Bobot atom
178.49 Amu
39
180.95 Amu
38
Volume atom
13.60 cm3 / mol
38
10.90 cm3 / mol
99+
Nomer atom jejer
Potensi Valence Electron
81.00 (-eV)
16
110.00 (-eV)
7
Constant pola
319.64 pm
99+
330.13 pm
99+
pola Angles
π/2, π/2, 2 π/3
π/2, π/2, π/2
Pola C / A rasio
1.58
12
ora Sumadhiya
Teknik Properties
Kapadhetan
Kapadhetan Ing suhu kamar
13.31 g / cm 3
26
16.69 g / cm 3
18
Kapadhetan Nalika Liquid (ing mp)
12.00 g / cm3
12
15.00 g / cm3
9
Strength tensile
445.00 MPa
8
ora Sumadhiya
viskositas
ora Sumadhiya
ora Sumadhiya
meksa beluk
Meksa beluk ing 2000 K
0.00 (Pa)
24
0.00 (Pa)
31
situs kelenturan
nyukur pengaturan
30.00 GPA
23
69.00 GPA
13
pengaturan akeh
110.00 GPA
15
200.00 GPA
8
Young kang pengaturan
78.00 GPA
25
186.00 GPA
13
Poisson rasio
0.37
7
0.34
10
Properties Teknik liyane
ductile, malleable
ductile
Magnetic Properties
Ciri Magnetic
Gravitasi tartamtu
13.31
18
16.65
11
Nindakake Magnetic
paramagnetic
paramagnetic
Properties Listrik
Property Listrik
Arman
Arman
resistivity
331.00 nΩ · m
14
131.00 nΩ · m
25
konduktivitas listrik
0.03 10 6 / cm Ω
39
0.08 10 6 / cm Ω
27
elektron Affinity
0.00 kJ / mol
40
31.00 kJ / mol
29
termal Properties
Kalor tartamtu
0.14 J / (kg K)
37
0.14 J / (kg K)
37
Graham Kapasitas kalor
25.73 J / mol · K
36
25.36 J / mol · K
99+
doyo termal
23.00 W / m · K
99+
57.50 W / m · K
27
suhu kritis
ora Sumadhiya
ora Sumadhiya
Expansion termal
5.90 μm / (m · K)
99+
6.30 μm / (m · K)
99+
enthalpy
Enthalpy panguapan
661.10 kJ / mol
5
753.10 kJ / mol
2
Enthalpy saka Fusion
25.10 kJ / mol
8
31.40 kJ / mol
3
Enthalpy saka atomization
703.00 kJ / mol
5
782.00 kJ / mol
3
Standard molar Entropy
43.60 J / mol.K
34
41.50 J / mol.K
37
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