Platinum mungsuh tantalum
Tabel périodik
Symbol
Pt
Ta
Panggil Group
10
8
5
13
Panggil periode
6
6
Block
d block
d block
Family unsur
transisi Metal
transisi Metal
CAS Number
7440064
99+
7440257
99+
Jeneng papan Group
Fm_ 3M
3M Im_
Space Group Number
225.00
2
229.00
1
facts
Facts Interesting
- Platinum punika logam paling langka saka kategori logam larang regane ..
- Iklan Platinum diprodhuksi minangka prodhuk sampingan ores saka nikel.
- Tantalum logam dikenal minangka resistance karat.
- Tantalum logam bisa gampang fabricated lan Punika dirijen apik saka panas lan listrik.
sumber
Mining, Ores logam, Ores saka Minerals
Found in Minerals, Mining, Ores saka Minerals
History
sing katutup
Antonio de Ulloa
Anders Gustaf Ekeberg
Discovery
ing 1735
ing taun 1802
turah mbrawah
Turah mbrawah Ing Universe
5 * 10-7 %
19
8 * 10-9 %
31
Turah mbrawah Ing Sun
~0.0000009 %
19
~-9999 %
Turah mbrawah Ing meteorit
0.00 %
25
0.00 %
99+
Turah mbrawah Ing bumi lemah ndhuwur
0.00 %
99+
0.00 %
37
Turah mbrawah Ing Segara
ora Sumadhiya
0.00 %
31
ulah
Ulah lan Wuku
- Platinum logam utamané dipigunakaké ing perhiasan.
- Platinum digunakake minangka katalis industri ing asam nitrat, silikon lan benzena.
Character length exceed error
Ulah Industrial
Industry Aerospace, Industri Kimia
Industry Listrik, Industry Elektronik
Ulah Medical
Dentistry, Industry Pharmaceutical, Surgical Instruments Manufacturing
NA
Ulah liyane
wesi, bullion, koin, Jewellery, patung, Statues
wesi
Properties biologi
keracunan
non Toxic
Low Toxic
Saiki ing badan Human
Ora
Ya
ing Bone
ora Sumadhiya
0.03 ppm
28
fisik Properties
leleh Point
1,772.00 ° C
16
2,996.00 ° C
4
Boiling Point
3,827.00 ° C
15
5,425.00 ° C
4
katon
State fisik
Solid
Solid
warna
perak Putih
Gray Blue
luster
metallic
metallic
atose
Mohs atose
3.50
11
6.50
5
Brinell atose
300.00 MPa
34
440.00 MPa
28
Vickers atose
400.00 MPa
25
870.00 MPa
12
Kacepetan swara
2,800.00 m / s
29
3,400.00 m / s
22
Properties Optical
reflectivity
73.00 %
8
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
Pt
Ta
isotop
Isotop dikenal
35
4
31
8
keelektronegatifan
Pauling Elektronegativitas
2.28
3
1.50
27
Allred Rochow Elektronegativitas
1.44
17
1.33
22
Allen Elektronegativitas
1.72
16
1.34
33
Electropositivity
Pauling Electropositivity
1.72
99+
2.50
27
tenogo ionisasi
Level Energy 1st
870.00 kJ / mol
10
761.00 kJ / mol
18
Level Energy 2
1,791.00 kJ / mol
21
1,500.00 kJ / mol
40
padha karo elektrokimia
1.82 g / amp-day
35
1.35 g / amp-day
99+
Fungsi Work elektron
5.65 eV
1
4.25 eV
21
Properties Kimia liyane
Kimia Stabilitas, anti Corrosion, ionisasi
anti Corrosion, ionisasi, Isotop radioaktif, Radioaktif, kelarutan
atom Properties
Panggil atom
78
38
73
99+
Konfigurasi elektron
[Xe] 4F 14 5d 9 6s 1
[Xe] 4F 14 5d 3 6s 2
Struktur Crystal
Face tengah kubik (FCC)
Body tengah kubik (Bcc)
Crystal pola
FCC-Crystal-Structure-of-Platinum.jpg#100
BCC-Crystal-Structure-.jpg#100
atom
Jumlah proton
78
38
73
99+
Jumlah Neutron
117
24
108
28
Jumlah Èlèktron
78
38
73
99+
Radius saka Atom
Radius atom
139.00 pm
39
146.00 pm
35
kovalen Radius
136.00 pm
99+
170.00 pm
25
Van der Waals Radius
175.00 pm
36
200.00 pm
28
Bobot atom
47.87 Amu
99+
180.95 Amu
38
Volume atom
9.09 cm3 / mol
99+
10.90 cm3 / mol
99+
Nomer atom jejer
Potensi Valence Electron
392.42 (-eV)
1
110.00 (-eV)
7
Constant pola
392.42 pm
24
330.13 pm
99+
pola Angles
π/2, π/2, π/2
π/2, π/2, π/2
Pola C / A rasio
ora Sumadhiya
ora Sumadhiya
Teknik Properties
Kapadhetan
Kapadhetan Ing suhu kamar
21.45 g / cm 3
11
16.69 g / cm 3
18
Kapadhetan Nalika Liquid (ing mp)
19.77 g / cm3
2
15.00 g / cm3
9
Strength tensile
125.00 MPa
14
ora Sumadhiya
viskositas
ora Sumadhiya
ora Sumadhiya
meksa beluk
Meksa beluk ing 2000 K
0.07 (Pa)
18
0.00 (Pa)
31
situs kelenturan
nyukur pengaturan
61.00 GPA
14
69.00 GPA
13
pengaturan akeh
230.00 GPA
6
200.00 GPA
8
Young kang pengaturan
168.00 GPA
14
186.00 GPA
13
Poisson rasio
0.38
6
0.34
10
Properties Teknik liyane
ductile, malleable
ductile
Magnetic Properties
Ciri Magnetic
Gravitasi tartamtu
21.45
4
16.65
11
Nindakake Magnetic
paramagnetic
paramagnetic
permeabilitas
0.00 H / m
3
ora Sumadhiya
Properties Listrik
Property Listrik
Arman
Arman
resistivity
105.00 nΩ · m
30
131.00 nΩ · m
25
konduktivitas listrik
0.10 10 6 / cm Ω
21
0.08 10 6 / cm Ω
27
elektron Affinity
205.30 kJ / mol
2
31.00 kJ / mol
29
termal Properties
Kalor tartamtu
0.13 J / (kg K)
39
0.14 J / (kg K)
37
Graham Kapasitas kalor
25.86 J / mol · K
35
25.36 J / mol · K
99+
doyo termal
71.60 W / m · K
24
57.50 W / m · K
27
suhu kritis
ora Sumadhiya
ora Sumadhiya
Expansion termal
8.80 μm / (m · K)
99+
6.30 μm / (m · K)
99+
enthalpy
Enthalpy panguapan
510.50 kJ / mol
11
753.10 kJ / mol
2
Enthalpy saka Fusion
19.70 kJ / mol
12
31.40 kJ / mol
3
Enthalpy saka atomization
565.00 kJ / mol
11
782.00 kJ / mol
3
Standard molar Entropy
41.60 J / mol.K
36
41.50 J / mol.K
37
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