Rhenium mungsuh Platinum
Tabel périodik
Symbol
Re
Pt
Panggil Group
7
11
10
8
Panggil periode
6
6
Block
d block
d block
Family unsur
transisi Metal
transisi Metal
CAS Number
7440155
99+
7440064
99+
Jeneng papan Group
P63 / mmc
Fm_ 3M
Space Group Number
194.00
5
225.00
2
facts
Facts Interesting
- kimia saka Rhenium sing padha kanggo Manganese.
- metal Rhenium digawe nalika panyulingan Molybdenum.
- Platinum punika logam paling langka saka kategori logam larang regane ..
- Iklan Platinum diprodhuksi minangka prodhuk sampingan ores saka nikel.
sumber
Found in Minerals, Mining, Ores saka Minerals
Mining, Ores logam, Ores saka Minerals
History
sing katutup
Masataka Ogawa
Antonio de Ulloa
Discovery
ing taun 1908
ing 1735
turah mbrawah
Turah mbrawah Ing Universe
2 * 10-8 %
29
5 * 10-7 %
19
Turah mbrawah Ing Sun
~0.00000001 %
29
~0.0000009 %
19
Turah mbrawah Ing meteorit
0.00 %
99+
0.00 %
25
Turah mbrawah Ing bumi lemah ndhuwur
0.00 %
99+
0.00 %
99+
Turah mbrawah Ing Segara
0.00 %
34
ora Sumadhiya
ulah
Ulah lan Wuku
- Wesi saka Rhenium digunakake minangka materi kontak listrik. Iku bisa nolak tahan karat busar.
- katalis digunakake ing hidrogenasi kimia nggoleki. Sawijining campuran karo nikel digunakake kanggo gawé glathi turbin.
- Platinum logam utamané dipigunakaké ing perhiasan.
- Platinum digunakake minangka katalis industri ing asam nitrat, silikon lan benzena.
Ulah Industrial
Industry Aerospace, Industry automobile, Industri Kimia, Industry Listrik, Industry Elektronik
Industry Aerospace, Industri Kimia
Ulah Medical
NA
Dentistry, Industry Pharmaceutical, Surgical Instruments Manufacturing
Ulah liyane
wesi
wesi, bullion, koin, Jewellery, patung, Statues
Properties biologi
keracunan
Low Toxic
non Toxic
Saiki ing badan Human
Ora
Ora
fisik Properties
leleh Point
3,180.00 ° C
2
1,772.00 ° C
16
Boiling Point
5,627.00 ° C
2
3,827.00 ° C
15
katon
State fisik
Solid
Solid
warna
perak Gray
perak Putih
luster
metallic
metallic
atose
Mohs atose
7.00
3
3.50
11
Brinell atose
1,320.00 MPa
8
300.00 MPa
34
Vickers atose
1,350.00 MPa
7
400.00 MPa
25
Kacepetan swara
4,700.00 m / s
15
2,800.00 m / s
29
Properties Optical
reflectivity
ora Sumadhiya
73.00 %
8
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
Re
Pt
isotop
Isotop dikenal
33
6
35
4
keelektronegatifan
Pauling Elektronegativitas
1.90
11
2.28
3
Allred Rochow Elektronegativitas
1.46
15
1.44
17
Allen Elektronegativitas
1.60
21
1.72
16
Electropositivity
Pauling Electropositivity
2.10
99+
1.72
99+
tenogo ionisasi
Level Energy 1st
760.00 kJ / mol
20
870.00 kJ / mol
10
Level Energy 2
1,260.00 kJ / mol
99+
1,791.00 kJ / mol
21
Level Energy 3rd
2,510.00 kJ / mol
99+
ora Sumadhiya
Level Energy 4
3,640.00 kJ / mol
99+
ora Sumadhiya
padha karo elektrokimia
0.99 g / amp-day
99+
1.82 g / amp-day
35
Fungsi Work elektron
4.96 eV
7
5.65 eV
1
Properties Kimia liyane
Corrosion, ionisasi, Isotop radioaktif, kelarutan
Kimia Stabilitas, anti Corrosion, ionisasi
atom Properties
Panggil atom
75
99+
78
38
Konfigurasi elektron
[Xe] 4F 14 5d 5 6s 2
[Xe] 4F 14 5d 9 6s 1
Struktur Crystal
Hexagonal Tutup dikempalken (HCP)
Face tengah kubik (FCC)
Crystal pola
BCC-Crystal-Structure-.jpg#100
FCC-Crystal-Structure-of-Platinum.jpg#100
atom
Jumlah proton
75
40
78
38
Jumlah Neutron
111
26
117
24
Jumlah Èlèktron
75
40
78
38
Radius saka Atom
Radius atom
137.00 pm
40
139.00 pm
39
kovalen Radius
151.00 pm
34
136.00 pm
99+
Van der Waals Radius
200.00 pm
28
175.00 pm
36
Bobot atom
186.21 Amu
36
47.87 Amu
99+
Volume atom
8.85 cm3 / mol
99+
9.09 cm3 / mol
99+
Nomer atom jejer
Potensi Valence Electron
180.00 (-eV)
3
392.42 (-eV)
1
Constant pola
276.10 pm
99+
392.42 pm
24
pola Angles
π/2, π/2, 2 π/3
π/2, π/2, π/2
Pola C / A rasio
1.62
3
ora Sumadhiya
Teknik Properties
Kapadhetan
Kapadhetan Ing suhu kamar
21.02 g / cm 3
12
21.45 g / cm 3
11
Kapadhetan Nalika Liquid (ing mp)
18.90 g / cm3
4
19.77 g / cm3
2
Strength tensile
1,070.00 MPa
3
125.00 MPa
14
viskositas
ora Sumadhiya
ora Sumadhiya
meksa beluk
Meksa beluk ing 2000 K
0.00 (Pa)
29
0.07 (Pa)
18
situs kelenturan
nyukur pengaturan
178.00 GPA
3
61.00 GPA
14
pengaturan akeh
370.00 GPA
2
230.00 GPA
6
Young kang pengaturan
463.00 GPA
2
168.00 GPA
14
Poisson rasio
0.30
14
0.38
6
Properties Teknik liyane
ductile, malleable
ductile, malleable
Magnetic Properties
Ciri Magnetic
Gravitasi tartamtu
21.02
5
21.45
4
Nindakake Magnetic
paramagnetic
paramagnetic
permeabilitas
ora Sumadhiya
0.00 H / m
3
Properties Listrik
Property Listrik
Arman
Arman
resistivity
193.00 nΩ · m
20
105.00 nΩ · m
30
konduktivitas listrik
0.05 10 6 / cm Ω
33
0.10 10 6 / cm Ω
21
elektron Affinity
14.50 kJ / mol
35
205.30 kJ / mol
2
termal Properties
Kalor tartamtu
0.13 J / (kg K)
39
0.13 J / (kg K)
39
Graham Kapasitas kalor
25.48 J / mol · K
38
25.86 J / mol · K
35
doyo termal
48.00 W / m · K
31
71.60 W / m · K
24
suhu kritis
ora Sumadhiya
ora Sumadhiya
Expansion termal
6.20 μm / (m · K)
99+
8.80 μm / (m · K)
99+
enthalpy
Enthalpy panguapan
707.10 kJ / mol
3
510.50 kJ / mol
11
Enthalpy saka Fusion
33.05 kJ / mol
2
19.70 kJ / mol
12
Enthalpy saka atomization
791.00 kJ / mol
2
565.00 kJ / mol
11
Standard molar Entropy
36.90 J / mol.K
99+
41.60 J / mol.K
36
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