mbandhingaké Palladium lan rhodium
Tabel périodik
Symbol
Pd
Rh
Panggil Group
10
8
9
9
Panggil periode
5
5
Block
d block
d block
Family unsur
transisi Metal
transisi Metal
CAS Number
7440053
99+
7440166
99+
Jeneng papan Group
Fm_ 3M
Fm_ 3M
Space Group Number
225.00
2
225.00
2
facts
Facts Interesting
Character length exceed error
- Rhodium punika unsur paling langka metu kabeh logam non-radioaktif ing bumi.
- Rhodium punika salah siji sing paling awet lan hard logam, kang uga duwe reflectance dhuwur.
sumber
Ores logam
bumi lemah ndhuwur, Found Minangka By-produk, Found in Minerals, Mining
History
sing katutup
William Hyde Wollaston
William Hyde Wollaston
Discovery
ing 1803
ing taun 1804
turah mbrawah
Turah mbrawah Ing Universe
2 * 10-7 %
22
6 * 10-8 %
26
Turah mbrawah Ing Sun
~0.0000003 %
24
~0.0000002 %
25
Turah mbrawah Ing meteorit
0.00 %
99+
0.00 %
36
Turah mbrawah Ing bumi lemah ndhuwur
0.00 %
99+
0.00 %
99+
ulah
Ulah lan Wuku
- Biasane Proteksi logam digunakake ing katalitik dinggo ngowahi. Ing industri elektronik kang digunakake ing kapasitor Keramik saka mobile lan komputer.
- Kang digunakake ing perhiasan lan fillings dental lan Koruna.
Character length exceed error
Ulah Industrial
Industry Aerospace, Industry automobile, Industry Elektronik
Industry Aerospace, Industry automobile, Industry Listrik, Industry Elektronik
Ulah Medical
Dentistry, Industry Pharmaceutical, Surgical Instruments Manufacturing
NA
Ulah liyane
koin, bullion, Jewellery
wesi
Properties biologi
keracunan
Toxic
NA
Saiki ing badan Human
Ora
Ora
fisik Properties
leleh Point
1,554.90 ° C
22
1,966.00 ° C
12
Boiling Point
2,963.00 ° C
33
3,727.00 ° C
17
katon
State fisik
Solid
Solid
warna
Silver
perak Putih
luster
metallic
metallic
atose
Mohs atose
4.75
9
6.00
6
Brinell atose
320.00 MPa
33
980.00 MPa
9
Vickers atose
121.00 MPa
36
1,100.00 MPa
9
Kacepetan swara
3,070.00 m / s
26
4,700.00 m / s
15
Properties Optical
bias Index
1.72
1
ora Sumadhiya
reflectivity
84.00 %
4
84.00 %
4
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
Pd
Rh
isotop
Isotop dikenal
38
1
16
23
keelektronegatifan
Pauling Elektronegativitas
2.20
4
2.28
3
Allred Rochow Elektronegativitas
1.35
21
1.45
16
Allen Elektronegativitas
1.59
22
1.56
24
Electropositivity
Pauling Electropositivity
1.80
99+
1.72
99+
tenogo ionisasi
Level Energy 1st
520.23 kJ / mol
99+
719.70 kJ / mol
29
Level Energy 2
7,298.22 kJ / mol
2
1,740.00 kJ / mol
26
Level Energy 3rd
11,815.13 kJ / mol
3
2,997.00 kJ / mol
27
padha karo elektrokimia
1.99 g / amp-day
30
1.28 g / amp-day
99+
Fungsi Work elektron
5.12 eV
3
4.98 eV
6
Properties Kimia liyane
Kimia Stabilitas, Corrosion, ionisasi, kelarutan
anti Corrosion, ionisasi, Isotop radioaktif
atom Properties
Panggil atom
46
99+
45
99+
Konfigurasi elektron
[Kr] 4d 10
[Kr] 4d 8 5S 1
Struktur Crystal
Face tengah kubik (FCC)
Face tengah kubik (FCC)
Crystal pola
FCC-Crystal-Structure-of-Palladium.jpg#100
FCC-Crystal-Structure-of-Rhodium.jpg#100
atom
Jumlah proton
46
99+
45
99+
Jumlah Neutron
60
99+
58
99+
Jumlah Èlèktron
46
99+
45
99+
Radius saka Atom
Radius atom
137.00 pm
40
134.00 pm
99+
kovalen Radius
139.00 pm
99+
142.00 pm
99+
Van der Waals Radius
163.00 pm
40
200.00 pm
28
Bobot atom
106.42 Amu
99+
102.91 Amu
99+
Volume atom
8.90 cm3 / mol
99+
8.30 cm3 / mol
99+
Nomer atom jejer
Potensi Valence Electron
33.00 (-eV)
99+
64.00 (-eV)
22
Constant pola
389.07 pm
25
380.34 pm
27
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
12.02 g / cm 3
29
12.41 g / cm 3
28
Kapadhetan Nalika Liquid (ing mp)
10.38 g / cm3
17
10.70 g / cm3
14
Strength tensile
ora Sumadhiya
951.00 MPa
5
viskositas
ora Sumadhiya
ora Sumadhiya
meksa beluk
Meksa beluk ing 1000 K
0.00 (Pa)
27
ora Sumadhiya
Meksa beluk ing 2000 K
0.00 (Pa)
30
0.02 (Pa)
19
situs kelenturan
nyukur pengaturan
44.00 GPA
17
150.00 GPA
6
pengaturan akeh
180.00 GPA
9
275.00 GPA
5
Young kang pengaturan
121.00 GPA
16
380.00 GPA
5
Poisson rasio
0.39
5
0.26
22
Properties Teknik liyane
ductile, malleable, Weldable
malleable
Magnetic Properties
Ciri Magnetic
Gravitasi tartamtu
12.02
21
12.41
20
Nindakake Magnetic
diamagnetic
paramagnetic
Properties Listrik
Property Listrik
Arman
Arman
resistivity
105.40 nΩ · m
29
43.30 nΩ · m
99+
konduktivitas listrik
0.10 10 6 / cm Ω
22
0.21 10 6 / cm Ω
8
elektron Affinity
54.23 kJ / mol
17
109.70 kJ / mol
7
termal Properties
Kalor tartamtu
0.24 J / (kg K)
23
0.24 J / (kg K)
22
Graham Kapasitas kalor
25.98 J / mol · K
33
24.98 J / mol · K
99+
doyo termal
71.80 W / m · K
23
150.00 W / m · K
9
suhu kritis
ora Sumadhiya
ora Sumadhiya
Expansion termal
11.80 μm / (m · K)
33
8.20 μm / (m · K)
99+
enthalpy
Enthalpy panguapan
376.60 kJ / mol
19
495.40 kJ / mol
12
Enthalpy saka Fusion
16.74 kJ / mol
18
21.76 kJ / mol
10
Enthalpy saka atomization
393.30 kJ / mol
22
556.50 kJ / mol
12
Standard molar Entropy
37.60 J / mol.K
40
31.50 J / mol.K
99+
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