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Niobium Properties
Niobium


fisik
0
leleh Point
2,468.00 ° C 6
Boiling Point
2,468.00 ° C 45
atose
0
Mohs atose
6.00 6
Brinell atose
735.00 MPa 14
Vickers atose
870.00 MPa 12
Properties Optical
0
bias Index
ora Sumadhiya 0
reflectivity
ora Sumadhiya 0
Kacepetan swara
3,480.00 m / s 21
allotropes
Ora 0
α allotropes
ora Sumadhiya 0
β allotropes
ora Sumadhiya 0
γ allotropes
ora Sumadhiya 0
Kimia
0
Formula Kimia
Nb 0
isotop
0
Isotop dikenal
17 22
keelektronegatifan
0
Pauling Elektronegativitas
1.60 23
Sanderson Elektronegativitas
1.42 16
Allred Rochow Elektronegativitas
1.23 25
Mulliken-Jaffe Elektronegativitas
ora Sumadhiya 0
Allen Elektronegativitas
1.41 31
Electropositivity
0
Pauling Electropositivity
2.40 31
tenogo ionisasi
0
Level Energy 1st
652.10 kJ / mol 41
Level Energy 2
1,380.00 kJ / mol 50
Level Energy 3rd
2,416.00 kJ / mol 50
padha karo elektrokimia
0.69 g / amp-day 66
Fungsi Work elektron
4.30 eV 18
Properties Kimia liyane
anti Corrosion, ionisasi, Isotop radioaktif, kelarutan 0
Teknik
0
Kapadhetan
0
Kapadhetan Ing suhu kamar
8.57 g / cm 3 48
Kapadhetan Nalika Liquid (ing mp)
ora Sumadhiya 0
meksa beluk
0
Meksa beluk ing 1000 K
ora Sumadhiya 0
Meksa beluk ing 2000 K
0.00 (Pa) 27
Strength tensile
330.00 MPa 12
viskositas
ora Sumadhiya 0
situs kelenturan
0
nyukur pengaturan
38.00 GPA 19
pengaturan akeh
170.00 GPA 10
Young kang pengaturan
105.00 GPA 20
Poisson rasio
0.40 4
Properties Teknik liyane
ductile, malleable 0
Tabel périodik
0
Symbol
Nb 0
Panggil Group
5 13
Panggil periode
5 3
Block
d block 0
Family unsur
transisi Metal 0
atom
0
Panggil atom
41 71
Bobot atom
92.91 Amu 65
Volume atom
10.87 cm3 / mol 45
Konfigurasi elektron
[Kr] 4d 4 5S 1 0
Potensi Valence Electron
104.00 (-eV) 8
atom
0
Jumlah proton
41 70
Jumlah Neutron
52 53
Jumlah Èlèktron
41 70
Struktur Crystal
Body tengah kubik (Bcc) 0
Crystal pola
BCC-Crystal-Structure-.jpg#100 0
Radius saka Atom
0
Radius atom
146.00 pm 35
kovalen Radius
164.00 pm 28
Van der Waals Radius
200.00 pm 28
Constant pola
330.04 pm 51
pola Angles
π/2, π/2, π/2 0
Pola C / A rasio
ora Sumadhiya 0
Nomer atom jejer
0
Sabanjure unsur
34 0
unsur Previous
56 0
Magnetic
0
Properties Listrik
0
resistivity
152.00 nΩ · m 23
konduktivitas listrik
0.07 10 6 / cm Ω 28
elektron Affinity
86.10 kJ / mol 12
Property Listrik
Arman 0
Ciri Magnetic
0
Gravitasi tartamtu
8.57 37
Nindakake Magnetic
paramagnetic 0
permeabilitas
ora Sumadhiya 0
kelemahan
ora Sumadhiya 0
termal
0
Kalor tartamtu
0.26 J / (kg K) 20
doyo termal
53.70 W / m · K 29
suhu kritis
ora Sumadhiya 0
Graham Kapasitas kalor
24.60 J / mol · K 50
Expansion termal
7.30 μm / (m · K) 48
Standard molar Entropy
36.40 J / mol.K 42
enthalpy
0
Enthalpy panguapan
696.60 kJ / mol 4
Enthalpy saka Fusion
27.20 kJ / mol 6
Enthalpy saka atomization
745.00 kJ / mol 4
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