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tantalum metal
tantalum


Tabel périodik
Symbol
Ta
Panggil Group
5 13
Panggil periode
6 2
Block
d block
Family unsur
transisi Metal
CAS Number
7440257 55
Jeneng papan Group
3M Im_
Space Group Number
229.00 2
facts
Facts Interesting
  • Tantalum logam dikenal minangka resistance karat.
  • Tantalum logam bisa gampang fabricated lan Punika dirijen apik saka panas lan listrik.
sumber
Found in Minerals, Mining, Ores saka Minerals
History
sing katutup
Anders Gustaf Ekeberg
Discovery
ing taun 1802
turah mbrawah
Turah mbrawah Ing Universe
0.00 % 32
Turah mbrawah Ing Sun
0.00 % 18
Turah mbrawah Ing meteorit
0.00 % 49
Turah mbrawah Ing bumi lemah ndhuwur
0.00 % 37
Turah mbrawah Ing Segara
0.00 % 31
Turah mbrawah Ing Manungsa
0.00 % 24
ulah
Ulah lan Wuku
  • Logam tantalum utamané dipigunakaké ing manufaktur komponen elektron. Lapisan Oksida kasebut minangka insulator.
  • Logam tantalum uga digunakake ing transplantasi bedhah kaya panggantos balung, piring tengkorak lan minangka kain kasa.
Ulah Industrial
Industry Listrik, Industry Elektronik
Ulah Medical
-
Ulah liyane
wesi
Properties biologi
keracunan
Low Toxic
Saiki ing badan Human
Ya
Sang
0.00 Sang / mg dm-3 37
ing Bone
0.03 ppm 33
fisik
leleh Point
2,996.00 ° C 4
Boiling Point
5,425.00 ° C 4
katon
State fisik
Solid
warna
Gray Blue
luster
metallic
atose
Mohs atose
6.50 5
Brinell atose
440.00 MPa 33
Vickers atose
870.00 MPa 19
Kacepetan swara
3,400.00 m / s 33
Properties Optical
bias Index
2.15 10
reflectivity
78.00 % 8
allotropes
Ora
α allotropes
-
β allotropes
-
γ allotropes
-
Kimia
Formula Kimia
Ta
isotop
Isotop dikenal
31 8
keelektronegatifan
Pauling Elektronegativitas
1.50 28
Sanderson Elektronegativitas
1.50 18
Allred Rochow Elektronegativitas
1.33 23
Mulliken-Jaffe Elektronegativitas
1.50 26
Allen Elektronegativitas
1.34 38
Electropositivity
Pauling Electropositivity
2.50 27
tenogo ionisasi
Level Energy 1st
761.00 kJ / mol 18
Level Energy 2
1,500.00 kJ / mol 41
Level Energy 3rd
761.00 kJ / mol 88
Level Energy 4
7,610.00 kJ / mol 9
Level Energy 5th
7,610.00 kJ / mol 19
Level Energy 6th
7,610.00 kJ / mol 36
tingkat Energy 7
7,610.00 kJ / mol 30
Level Energy 8
7,610.00 kJ / mol 30
Level Energy 9
7,610.00 kJ / mol 26
Level Energy 10th
7,610.00 kJ / mol 30
Level Energy 11
7,610.00 kJ / mol 29
Level Energy 12
7,610.00 kJ / mol 47
Level Energy 13
7,610.00 kJ / mol 22
Level Energy 14
7,610.00 kJ / mol 19
Level Energy 15
76,100.00 kJ / mol 19
Level Energy 16
76,100.00 kJ / mol 14
Level Energy 17
761.00 kJ / mol 35
Level Energy 18
7,610.00 kJ / mol 25
Level Energy 19
761.00 kJ / mol 32
Level Energy 20
761.00 kJ / mol 26
Level Energy 21
761.00 kJ / mol 44
Level Energy 22
761.00 kJ / mol 20
Level Energy 23rd
761.00 kJ / mol 45
Level Energy 24
761.00 kJ / mol 16
Level Energy 25th
761.00 kJ / mol 16
Level Energy 26th
761.00 kJ / mol 16
Level Energy 27th
761.00 kJ / mol 15
Level Energy 28th
761.00 kJ / mol 21
Level Energy 29
761.00 kJ / mol 22
Level Energy 30
761.00 kJ / mol 16
padha karo elektrokimia
1.35 g / amp-day 53
Fungsi Work elektron
4.25 eV 28
Properties Kimia liyane
anti Corrosion, ionisasi, Isotop radioaktif, Radioaktif, kelarutan
atom
Panggil atom
73 43
Konfigurasi elektron
[Xe] 4F 14 5d 3 6s 2
Struktur Crystal
Body tengah kubik (Bcc)
Crystal pola
BCC-Crystal-Structure-.jpg#100
atom
Jumlah proton
73 42
Jumlah Neutron
108 29
Jumlah Èlèktron
73 42
Radius saka Atom
Radius atom
146.00 pm 37
kovalen Radius
170.00 pm 27
Van der Waals Radius
200.00 pm 35
Bobot atom
180.95 Amu 38
Volume atom
10.90 cm3 / mol 62
Nomer atom jejer
unsur Previous
63
Sabanjure unsur
32
Potensi Valence Electron
110.00 (-eV) 7
Constant pola
330.13 pm 57
pola Angles
π/2, π/2, π/2
Pola C / A rasio
1.41 51
Teknik
Kapadhetan
Kapadhetan Ing suhu kamar
16.69 g / cm 3 18
Kapadhetan Nalika Liquid (ing mp)
15.00 g / cm3 23
Strength tensile
180.00 MPa 20
viskositas
0.00 25
meksa beluk
Meksa beluk ing 1000 K
0.00 (Pa) 37
Meksa beluk ing 2000 K
0.00 (Pa) 43
situs kelenturan
nyukur pengaturan
69.00 GPA 13
pengaturan akeh
200.00 GPA 8
Young kang pengaturan
186.00 GPA 14
Poisson rasio
0.34 10
Properties Teknik liyane
ductile
Magnetic
Ciri Magnetic
Gravitasi tartamtu
16.65 20
Nindakake Magnetic
paramagnetic
permeabilitas
0.00 H / m 17
kelemahan
0.00 27
Properties Listrik
Property Listrik
Arman
resistivity
131.00 nΩ · m 25
konduktivitas listrik
0.08 10 6 / cm Ω 32
elektron Affinity
31.00 kJ / mol 35
termal
Kalor tartamtu
0.14 J / (kg K) 38
Graham Kapasitas kalor
25.36 J / mol · K 50
doyo termal
57.50 W / m · K 27
suhu kritis
3,290.00 K 4
Expansion termal
6.30 μm / (m · K) 67
enthalpy
Enthalpy panguapan
753.10 kJ / mol 2
Enthalpy saka Fusion
31.40 kJ / mol 3
Enthalpy saka atomization
782.00 kJ / mol 3
Standard molar Entropy
41.50 J / mol.K 51
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