Platinum mungsuh Holmium
Tabel périodik
Symbol
Pt
Ho
Panggil Group
10
8
ora Sumadhiya
Panggil periode
6
6
Block
d block
pemblokiran f
Family unsur
transisi Metal
lanthanide
CAS Number
7440064
99+
7440600
29
Jeneng papan Group
Fm_ 3M
P63 / mmc
Space Group Number
225.00
2
194.00
5
facts
Facts Interesting
- Platinum punika logam paling langka saka kategori logam larang regane ..
- Iklan Platinum diprodhuksi minangka prodhuk sampingan ores saka nikel.
- metal Holmium sanget alus lan malleable.
- metal Holmium uga dikenal kanggo resistivity sawijining karat.
sumber
Mining, Ores logam, Ores saka Minerals
Found in Minerals, Mining, Ores saka Minerals
History
sing katutup
Antonio de Ulloa
Marc Delafontaine
Discovery
ing 1735
ing taun 1878
turah mbrawah
Turah mbrawah Ing Universe
5 * 10-7 %
19
5 * 10-8 %
27
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 %
38
Turah mbrawah Ing Segara
ora Sumadhiya
0.00 %
99+
ulah
Ulah lan Wuku
- Platinum logam utamané dipigunakaké ing perhiasan.
- Platinum digunakake minangka katalis industri ing asam nitrat, silikon lan benzena.
- metal Holmium duwe kemampuan kanggo nresep neutron, supaya logam iki digunakake ing reaktor nuklir kanggo njaga reaksi berantai saka unsur ing kontrol.
- Wesi saka Holmium digunakake kanggo gawé Magnet.
Ulah Industrial
Industry Aerospace, Industri Kimia
NA
Ulah Medical
Dentistry, Industry Pharmaceutical, Surgical Instruments Manufacturing
NA
Ulah liyane
wesi, bullion, koin, Jewellery, patung, Statues
wesi, Nuclear Riset
Properties biologi
keracunan
non Toxic
Low Toxic
Saiki ing badan Human
Ora
Ora
fisik Properties
leleh Point
1,772.00 ° C
16
1,461.00 ° C
30
Boiling Point
3,827.00 ° C
15
2,600.00 ° C
99+
katon
State fisik
Solid
Solid
warna
perak Putih
perak Putih
luster
metallic
metallic
atose
Mohs atose
3.50
11
ora Sumadhiya
Brinell atose
300.00 MPa
34
746.00 MPa
13
Vickers atose
400.00 MPa
25
481.00 MPa
23
Kacepetan swara
2,800.00 m / s
29
2,760.00 m / s
30
Properties Optical
reflectivity
73.00 %
8
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
Pt
Ho
isotop
Isotop dikenal
35
4
34
5
keelektronegatifan
Pauling Elektronegativitas
2.28
3
1.23
37
Allred Rochow Elektronegativitas
1.44
17
1.10
30
Allen Elektronegativitas
1.72
16
ora Sumadhiya
Electropositivity
Pauling Electropositivity
1.72
99+
2.77
17
tenogo ionisasi
Level Energy 1st
870.00 kJ / mol
10
581.00 kJ / mol
99+
Level Energy 2
1,791.00 kJ / mol
21
1,140.00 kJ / mol
99+
Level Energy 3rd
ora Sumadhiya
2,204.00 kJ / mol
99+
Level Energy 4
ora Sumadhiya
4,100.00 kJ / mol
34
padha karo elektrokimia
1.82 g / amp-day
35
2.02 g / amp-day
29
Fungsi Work elektron
5.65 eV
1
ora Sumadhiya
Properties Kimia liyane
Kimia Stabilitas, anti Corrosion, ionisasi
Kimia Stabilitas, anti Corrosion, ionisasi, Isotop radioaktif, kelarutan
atom Properties
Panggil atom
78
38
67
99+
Konfigurasi elektron
[Xe] 4F 14 5d 9 6s 1
[Xe] 4F 11 6s 2
Struktur Crystal
Face tengah kubik (FCC)
Hexagonal Tutup dikempalken (HCP)
Crystal pola
FCC-Crystal-Structure-of-Platinum.jpg#100
HCP-Crystal-Structure-of-Holmium.jpg#100
atom
Jumlah proton
78
38
67
99+
Jumlah Neutron
117
24
98
34
Jumlah Èlèktron
78
38
67
99+
Radius saka Atom
Radius atom
139.00 pm
39
176.00 pm
18
kovalen Radius
136.00 pm
99+
192.00 pm
17
Van der Waals Radius
175.00 pm
36
216.00 pm
24
Bobot atom
47.87 Amu
99+
164.93 Amu
99+
Volume atom
9.09 cm3 / mol
99+
18.70 cm3 / mol
24
Nomer atom jejer
Potensi Valence Electron
392.42 (-eV)
1
47.90 (-eV)
31
Constant pola
392.42 pm
24
357.73 pm
38
pola Angles
π/2, π/2, π/2
π/2, π/2, 2 π/3
Pola C / A rasio
ora Sumadhiya
1.57
17
Teknik Properties
Kapadhetan
Kapadhetan Ing suhu kamar
21.45 g / cm 3
11
8.79 g / cm 3
99+
Kapadhetan Nalika Liquid (ing mp)
19.77 g / cm3
2
8.34 g / cm3
26
Strength tensile
125.00 MPa
14
ora Sumadhiya
viskositas
ora Sumadhiya
ora Sumadhiya
meksa beluk
Meksa beluk ing 1000 K
ora Sumadhiya
0.00 (Pa)
16
Meksa beluk ing 2000 K
0.07 (Pa)
18
ora Sumadhiya
situs kelenturan
nyukur pengaturan
61.00 GPA
14
26.30 GPA
28
pengaturan akeh
230.00 GPA
6
40.20 GPA
32
Young kang pengaturan
168.00 GPA
14
64.80 GPA
31
Poisson rasio
0.38
6
0.23
29
Properties Teknik liyane
ductile, malleable
ductile, malleable, Sectile
Magnetic Properties
Ciri Magnetic
Gravitasi tartamtu
21.45
4
8.80
35
Nindakake Magnetic
paramagnetic
paramagnetic
permeabilitas
0.00 H / m
3
ora Sumadhiya
Properties Listrik
Property Listrik
Arman
Arman
resistivity
105.00 nΩ · m
30
814.00 nΩ · m
4
konduktivitas listrik
0.10 10 6 / cm Ω
21
0.01 10 6 / cm Ω
99+
elektron Affinity
205.30 kJ / mol
2
50.00 kJ / mol
21
termal Properties
Kalor tartamtu
0.13 J / (kg K)
39
0.16 J / (kg K)
35
Graham Kapasitas kalor
25.86 J / mol · K
35
27.15 J / mol · K
19
doyo termal
71.60 W / m · K
24
16.20 W / m · K
99+
suhu kritis
ora Sumadhiya
ora Sumadhiya
Expansion termal
8.80 μm / (m · K)
99+
11.20 μm / (m · K)
35
enthalpy
Enthalpy panguapan
510.50 kJ / mol
11
241.00 kJ / mol
38
Enthalpy saka Fusion
19.70 kJ / mol
12
11.76 kJ / mol
29
Enthalpy saka atomization
565.00 kJ / mol
11
301.00 kJ / mol
36
Standard molar Entropy
41.60 J / mol.K
36
75.30 J / mol.K
8
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