tungsten mungsuh technetium
Tabel périodik
Symbol
W
Tc
Panggil Group
6
12
7
11
Panggil periode
6
5
Block
d block
d block
Family unsur
transisi Metal
transisi Metal
CAS Number
7440337
99+
7440268
99+
Jeneng papan Group
3M Im_
P63 / mmc
Space Group Number
229.00
1
194.00
5
facts
Facts Interesting
- unsur Tungsten nduweni titik leleh paling dhuwur.
- tungsten Pure bisa gampang Cut mudhun karo bantuan saka hacksaw.
- jeneng asli Technetium ana masurium.
- Ing wektu nemokaké iku ditemokaké ing sampel Molybdenum.
sumber
bumi lemah ndhuwur, Found in Minerals, Mining, Ores saka Minerals
Digawe dening némbakaké Molybdenum karo deuterons
History
sing katutup
Not Available
Emilio Segrè and Carlo Perriero
Discovery
ing taun 1781
ing taun 1937
turah mbrawah
Turah mbrawah Ing Universe
5 * 10-8 %
27
ora Sumadhiya
Turah mbrawah Ing Sun
~0.0000004 %
23
~-9999 %
Turah mbrawah Ing meteorit
0.00 %
39
ora Sumadhiya
Turah mbrawah Ing bumi lemah ndhuwur
0.00 %
39
ora Sumadhiya
Turah mbrawah Ing Segara
0.00 %
18
ora Sumadhiya
ulah
Ulah lan Wuku
- Tungsten lan wesi digunakake ing dhuwur-suhu aplikasi kaya elektrods welding, pawon-suhu dhuwur, etc.
- Tungsten carbide banget hard lan digunakake ing apa logam, mining lan gas.
- Technetium punika logam radioaktif lan Empu iku digunakake kanggo pasinaon medical lan risèt liyane.
Ulah Industrial
Industry Aerospace, Industry automobile, Industry Listrik, Industry Elektronik
NA
Ulah Medical
NA
NA
Ulah liyane
wesi
wesi, Nuclear Riset, tujuan Research
Properties biologi
keracunan
non Toxic
Low Toxic
Saiki ing badan Human
Ya
Ora
Sang
0.00 Sang / mg dm-3
31
0.00 Sang / mg dm-3
37
ing Bone
0.00 ppm
35
0.00 ppm
36
fisik Properties
leleh Point
3,410.00 ° C
1
2,200.00 ° C
9
Boiling Point
5,660.00 ° C
1
4,877.00 ° C
7
katon
State fisik
Solid
Solid
warna
klawu putih
Shiny Gray
luster
lustrous
NA
atose
Mohs atose
7.50
2
ora Sumadhiya
Brinell atose
2,000.00 MPa
4
ora Sumadhiya
Vickers atose
3,430.00 MPa
1
ora Sumadhiya
Kacepetan swara
4,620.00 m / s
16
16,200.00 m / s
1
Properties Optical
reflectivity
62.00 %
13
ora Sumadhiya
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
W
Tc
isotop
Isotop dikenal
33
6
18
21
keelektronegatifan
Pauling Elektronegativitas
2.36
2
1.90
11
Sanderson Elektronegativitas
0.98
23
ora Sumadhiya
Allred Rochow Elektronegativitas
1.40
19
1.36
20
Allen Elektronegativitas
1.47
29
1.51
28
Electropositivity
Pauling Electropositivity
1.64
99+
2.10
99+
tenogo ionisasi
Level Energy 1st
770.00 kJ / mol
16
702.00 kJ / mol
36
Level Energy 2
1,700.00 kJ / mol
29
1,470.00 kJ / mol
99+
Level Energy 3rd
ora Sumadhiya
2,850.00 kJ / mol
33
padha karo elektrokimia
1.14 g / amp-day
99+
0.52 g / amp-day
99+
Fungsi Work elektron
4.55 eV
13
ora Sumadhiya
Properties Kimia liyane
ionisasi, Isotop radioaktif, kelarutan
anti Corrosion, ionisasi, Isotop radioaktif, Radioaktif, kelarutan
atom Properties
Panggil atom
74
99+
43
99+
Konfigurasi elektron
[Xe] 4F 14 5d 4 6s 2
[Kr] 4d 5 5S 2
Struktur Crystal
Body tengah kubik (Bcc)
Hexagonal Tutup dikempalken (HCP)
Crystal pola
BCC-Crystal-Structure-.jpg#100
HCP-Crystal-Structure-of-Technetium.jpg#100
atom
Jumlah proton
74
99+
43
99+
Jumlah Neutron
110
27
55
99+
Jumlah Èlèktron
74
99+
43
99+
Radius saka Atom
Radius atom
139.00 pm
39
136.00 pm
99+
kovalen Radius
162.00 pm
29
147.00 pm
37
Van der Waals Radius
200.00 pm
28
200.00 pm
28
Bobot atom
183.84 Amu
37
98.00 Amu
99+
Volume atom
9.53 cm3 / mol
99+
8.50 cm3 / mol
99+
Nomer atom jejer
Potensi Valence Electron
140.00 (-eV)
5
180.00 (-eV)
3
Constant pola
316.52 pm
99+
273.50 pm
99+
pola Angles
π/2, π/2, π/2
π/2, π/2, 2 π/3
Pola C / A rasio
ora Sumadhiya
1.60
5
Teknik Properties
Kapadhetan
Kapadhetan Ing suhu kamar
19.25 g / cm 3
16
11.00 g / cm 3
34
Kapadhetan Nalika Liquid (ing mp)
17.60 g / cm3
5
ora Sumadhiya
Strength tensile
370.00 MPa
10
ora Sumadhiya
viskositas
ora Sumadhiya
ora Sumadhiya
meksa beluk
Meksa beluk ing 2000 K
0.00 (Pa)
32
ora Sumadhiya
situs kelenturan
nyukur pengaturan
161.00 GPA
5
ora Sumadhiya
pengaturan akeh
310.00 GPA
4
ora Sumadhiya
Young kang pengaturan
411.00 GPA
4
ora Sumadhiya
Poisson rasio
0.28
17
ora Sumadhiya
Properties Teknik liyane
ductile, malleable
NA
Magnetic Properties
Ciri Magnetic
Gravitasi tartamtu
19.22
9
11.50
24
Nindakake Magnetic
paramagnetic
paramagnetic
Properties Listrik
Property Listrik
superconductor
Arman
resistivity
52.80 nΩ · m
99+
200.00 nΩ · m
18
konduktivitas listrik
0.19 10 6 / cm Ω
10
0.07 10 6 / cm Ω
30
elektron Affinity
78.60 kJ / mol
13
53.00 kJ / mol
18
termal Properties
Kalor tartamtu
0.13 J / (kg K)
39
0.21 J / (kg K)
29
Graham Kapasitas kalor
24.27 J / mol · K
99+
24.27 J / mol · K
99+
doyo termal
173.00 W / m · K
7
50.60 W / m · K
30
suhu kritis
ora Sumadhiya
ora Sumadhiya
Expansion termal
4.50 μm / (m · K)
99+
7.10 μm / (m · K)
99+
enthalpy
Enthalpy panguapan
799.10 kJ / mol
1
660.00 kJ / mol
6
Enthalpy saka Fusion
35.23 kJ / mol
1
23.01 kJ / mol
9
Enthalpy saka atomization
837.00 kJ / mol
1
649.00 kJ / mol
8
Standard molar Entropy
32.60 J / mol.K
99+
181.10 J / mol.K
2
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