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Niobium unsur
Niobium


Tabel périodik
Symbol
Nb
Panggil Group
5 13
Panggil periode
5 3
Block
d block
Family unsur
transisi Metal
CAS Number
7440031 76
Jeneng papan Group
3M Im_
Space Group Number
229.00 2
facts
Facts Interesting
  • metal Niobium iki digunakake kanggo njaluk disebut Columbium ing past.
  • metal Niobium ketemu ing alam bebas (turah mbrawah).
sumber
Miturut-produk saka Tin Extraction, Found in Minerals, Mining, Ores saka Minerals
History
sing katutup
Charles Hatchett
Discovery
ing taun 1801
turah mbrawah
Turah mbrawah Ing Universe
0.00 % 23
Turah mbrawah Ing Sun
0.00 % 23
Turah mbrawah Ing meteorit
0.00 % 35
Turah mbrawah Ing bumi lemah ndhuwur
0.00 % 25
Turah mbrawah Ing Segara
0.00 % 34
Turah mbrawah Ing Manungsa
0.00 % 24
ulah
Ulah lan Wuku
  • Wesi niobium digunakake ing mesin jet lan roket lan pesawat ruang angkasa, balok lan girder kanggo bangunan lan pipa minyak lan gas.
  • Iki digunakake magnet superkonduktor ing akselerator partikel, peralatan NMR lan MRI.
Ulah Industrial
Industry Aerospace, Industry amunisi, Industry Listrik, Industry Elektronik
Ulah Medical
-
Ulah liyane
wesi
Properties biologi
keracunan
Low Toxic
Saiki ing badan Human
Ya
Sang
0.01 Sang / mg dm-3 25
ing Bone
0.07 ppm 30
fisik
leleh Point
2,468.00 ° C 6
Boiling Point
2,468.00 ° C 47
katon
State fisik
Solid
warna
Gray
luster
metallic
atose
Mohs atose
6.00 6
Brinell atose
735.00 MPa 15
Vickers atose
870.00 MPa 19
Kacepetan swara
3,480.00 m / s 31
Properties Optical
bias Index
2.30 8
reflectivity
70.00 % 13
allotropes
Ora
α allotropes
-
β allotropes
-
γ allotropes
-
Kimia
Formula Kimia
Nb
isotop
Isotop dikenal
17 22
keelektronegatifan
Pauling Elektronegativitas
1.60 24
Sanderson Elektronegativitas
1.42 20
Allred Rochow Elektronegativitas
1.23 26
Mulliken-Jaffe Elektronegativitas
1.60 22
Allen Elektronegativitas
1.41 35
Electropositivity
Pauling Electropositivity
2.40 31
tenogo ionisasi
Level Energy 1st
652.10 kJ / mol 41
Level Energy 2
1,380.00 kJ / mol 51
Level Energy 3rd
2,416.00 kJ / mol 51
Level Energy 4
3,700.00 kJ / mol 59
Level Energy 5th
4,877.00 kJ / mol 78
Level Energy 6th
9,847.00 kJ / mol 17
tingkat Energy 7
12,100.00 kJ / mol 14
Level Energy 8
6,520.00 kJ / mol 42
Level Energy 9
5,470.00 kJ / mol 65
Level Energy 10th
5,470.00 kJ / mol 64
Level Energy 11
6,520.00 kJ / mol 41
Level Energy 12
6,520.00 kJ / mol 57
Level Energy 13
5,470.00 kJ / mol 61
Level Energy 14
691.00 kJ / mol 82
Level Energy 15
65,200.00 kJ / mol 35
Level Energy 16
652.10 kJ / mol 78
Level Energy 17
652.10 kJ / mol 46
Level Energy 18
6,520.00 kJ / mol 37
Level Energy 19
652.10 kJ / mol 43
Level Energy 20
652.00 kJ / mol 38
Level Energy 21
652.10 kJ / mol 57
Level Energy 22
694.00 kJ / mol 30
Level Energy 23rd
4,490.00 kJ / mol 30
Level Energy 24
652.10 kJ / mol 33
Level Energy 25th
652.10 kJ / mol 35
Level Energy 26th
652.10 kJ / mol 34
Level Energy 27th
652.10 kJ / mol 35
Level Energy 28th
652.10 kJ / mol 40
Level Energy 29
652.10 kJ / mol 41
Level Energy 30
652.00 kJ / mol 37
padha karo elektrokimia
0.69 g / amp-day 70
Fungsi Work elektron
4.30 eV 25
Properties Kimia liyane
anti Corrosion, ionisasi, Isotop radioaktif, kelarutan
atom
Panggil atom
41 71
Konfigurasi elektron
[Kr] 4d 4 5S 1
Struktur Crystal
Body tengah kubik (Bcc)
Crystal pola
BCC-Crystal-Structure-.jpg#100
atom
Jumlah proton
41 70
Jumlah Neutron
52 54
Jumlah Èlèktron
41 70
Radius saka Atom
Radius atom
146.00 pm 37
kovalen Radius
164.00 pm 30
Van der Waals Radius
200.00 pm 35
Bobot atom
92.91 Amu 65
Volume atom
10.87 cm3 / mol 63
Nomer atom jejer
unsur Previous
56
Sabanjure unsur
34
Potensi Valence Electron
104.00 (-eV) 8
Constant pola
330.04 pm 58
pola Angles
π/2, π/2, π/2
Pola C / A rasio
1.47 48
Teknik
Kapadhetan
Kapadhetan Ing suhu kamar
8.57 g / cm 3 53
Kapadhetan Nalika Liquid (ing mp)
8.57 g / cm3 50
Strength tensile
330.00 MPa 14
viskositas
0.00 22
meksa beluk
Meksa beluk ing 1000 K
0.00 (Pa) 16
Meksa beluk ing 2000 K
0.00 (Pa) 36
situs kelenturan
nyukur pengaturan
38.00 GPA 20
pengaturan akeh
170.00 GPA 10
Young kang pengaturan
105.00 GPA 22
Poisson rasio
0.40 4
Properties Teknik liyane
ductile, malleable
Magnetic
Ciri Magnetic
Gravitasi tartamtu
8.57 53
Nindakake Magnetic
paramagnetic
permeabilitas
0.00 H / m 4
kelemahan
0.00 30
Properties Listrik
Property Listrik
Arman
resistivity
152.00 nΩ · m 23
konduktivitas listrik
0.07 10 6 / cm Ω 33
elektron Affinity
86.10 kJ / mol 14
termal
Kalor tartamtu
0.26 J / (kg K) 20
Graham Kapasitas kalor
24.60 J / mol · K 59
doyo termal
53.70 W / m · K 29
suhu kritis
2,750.00 K 7
Expansion termal
7.30 μm / (m · K) 63
enthalpy
Enthalpy panguapan
696.60 kJ / mol 5
Enthalpy saka Fusion
27.20 kJ / mol 6
Enthalpy saka atomization
745.00 kJ / mol 4
Standard molar Entropy
36.40 J / mol.K 59
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