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rhodium metal
rhodium


Tabel périodik
Symbol
Rh
Panggil Group
9 9
Panggil periode
5 3
Block
d block
Family unsur
transisi Metal
CAS Number
7440166 63
Jeneng papan Group
Fm_ 3M
Space Group Number
225.00 3
facts
Facts Interesting
  • 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
bumi lemah ndhuwur, Found Minangka By-produk, Found in Minerals, Mining
History
sing katutup
William Hyde Wollaston
Discovery
ing taun 1804
turah mbrawah
Turah mbrawah Ing Universe
0.00 % 27
Turah mbrawah Ing Sun
0.00 % 25
Turah mbrawah Ing meteorit
0.00 % 36
Turah mbrawah Ing bumi lemah ndhuwur
0.00 % 55
Turah mbrawah Ing Segara
-
Turah mbrawah Ing Manungsa
0.00 % 24
ulah
Ulah lan Wuku
  • Logam rhodium utamane digunakake ing konverter katalitik kanggo mobil amarga nyuda oksida nitrogen ing gas buang.
  • Iki digunakake minangka katalis industri kanggo asam nitrat, asam asetat, reaksi hidrogenasi, lsp.
Ulah Industrial
Industry Aerospace, Industry automobile, Industry Listrik, Industry Elektronik
Ulah Medical
-
Ulah liyane
wesi
Properties biologi
keracunan
-
Saiki ing badan Human
Ora
Sang
0.00 Sang / mg dm-3 37
ing Bone
0.00 ppm 41
fisik
leleh Point
1,966.00 ° C 12
Boiling Point
3,727.00 ° C 17
katon
State fisik
Solid
warna
perak Putih
luster
metallic
atose
Mohs atose
6.00 6
Brinell atose
980.00 MPa 10
Vickers atose
1,100.00 MPa 15
Kacepetan swara
4,700.00 m / s 19
Properties Optical
bias Index
2.40 7
reflectivity
84.00 % 5
allotropes
Ora
α allotropes
-
β allotropes
-
γ allotropes
-
Kimia
Formula Kimia
Rh
isotop
Isotop dikenal
16 23
keelektronegatifan
Pauling Elektronegativitas
2.28 4
Sanderson Elektronegativitas
2.28 5
Allred Rochow Elektronegativitas
1.45 17
Mulliken-Jaffe Elektronegativitas
2.28 4
Allen Elektronegativitas
1.56 27
Electropositivity
Pauling Electropositivity
1.72 51
tenogo ionisasi
Level Energy 1st
719.70 kJ / mol 29
Level Energy 2
1,740.00 kJ / mol 27
Level Energy 3rd
2,997.00 kJ / mol 27
Level Energy 4
7,197.00 kJ / mol 11
Level Energy 5th
7,197.00 kJ / mol 26
Level Energy 6th
7,197.00 kJ / mol 40
tingkat Energy 7
7,197.00 kJ / mol 35
Level Energy 8
3,480.00 kJ / mol 82
Level Energy 9
5,090.00 kJ / mol 76
Level Energy 10th
7,197.00 kJ / mol 33
Level Energy 11
7,197.00 kJ / mol 32
Level Energy 12
7,190.00 kJ / mol 50
Level Energy 13
7,190.00 kJ / mol 27
Level Energy 14
7,197.00 kJ / mol 21
Level Energy 15
71,900.00 kJ / mol 23
Level Energy 16
71,900.00 kJ / mol 18
Level Energy 17
719.70 kJ / mol 39
Level Energy 18
7,197.00 kJ / mol 29
Level Energy 19
719.70 kJ / mol 36
Level Energy 20
719.00 kJ / mol 30
Level Energy 21
719.70 kJ / mol 48
Level Energy 22
719.00 kJ / mol 24
Level Energy 23rd
719.70 kJ / mol 49
Level Energy 24
719.70 kJ / mol 23
Level Energy 25th
719.00 kJ / mol 23
Level Energy 26th
719.70 kJ / mol 23
Level Energy 27th
719.70 kJ / mol 22
Level Energy 28th
719.70 kJ / mol 28
Level Energy 29
719.70 kJ / mol 29
Level Energy 30
719.00 kJ / mol 23
padha karo elektrokimia
1.28 g / amp-day 54
Fungsi Work elektron
4.98 eV 10
Properties Kimia liyane
anti Corrosion, ionisasi, Isotop radioaktif
atom
Panggil atom
45 67
Konfigurasi elektron
[Kr] 4d 8 5S 1
Struktur Crystal
Face tengah kubik (FCC)
Crystal pola
FCC-Crystal-Structure-of-Rhodium.jpg#100
atom
Jumlah proton
45 66
Jumlah Neutron
58 50
Jumlah Èlèktron
45 66
Radius saka Atom
Radius atom
134.00 pm 45
kovalen Radius
142.00 pm 44
Van der Waals Radius
200.00 pm 35
Bobot atom
102.91 Amu 61
Volume atom
8.30 cm3 / mol 77
Nomer atom jejer
unsur Previous
61
Sabanjure unsur
1
Potensi Valence Electron
64.00 (-eV) 22
Constant pola
380.34 pm 30
pola Angles
π/2, π/2, π/2
Pola C / A rasio
1.73 7
Teknik
Kapadhetan
Kapadhetan Ing suhu kamar
12.41 g / cm 3 30
Kapadhetan Nalika Liquid (ing mp)
10.70 g / cm3 35
Strength tensile
951.00 MPa 5
viskositas
0.00 25
meksa beluk
Meksa beluk ing 1000 K
0.00 (Pa) 37
Meksa beluk ing 2000 K
0.02 (Pa) 19
situs kelenturan
nyukur pengaturan
150.00 GPA 6
pengaturan akeh
275.00 GPA 5
Young kang pengaturan
380.00 GPA 5
Poisson rasio
0.26 22
Properties Teknik liyane
malleable
Magnetic
Ciri Magnetic
Gravitasi tartamtu
12.41 32
Nindakake Magnetic
paramagnetic
permeabilitas
0.00 H / m 17
kelemahan
0.00 24
Properties Listrik
Property Listrik
Arman
resistivity
43.30 nΩ · m 46
konduktivitas listrik
0.21 10 6 / cm Ω 8
elektron Affinity
109.70 kJ / mol 8
termal
Kalor tartamtu
0.24 J / (kg K) 22
Graham Kapasitas kalor
24.98 J / mol · K 54
doyo termal
150.00 W / m · K 9
suhu kritis
2,237.00 K 13
Expansion termal
8.20 μm / (m · K) 62
enthalpy
Enthalpy panguapan
495.40 kJ / mol 16
Enthalpy saka Fusion
21.76 kJ / mol 10
Enthalpy saka atomization
556.50 kJ / mol 16
Standard molar Entropy
31.50 J / mol.K 66
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