Neodymium mungsuh rhodium
Tabel périodik
Symbol
Nd
Rh
Panggil Group
1
17
9
9
Panggil periode
6
5
Block
pemblokiran f
d block
Family unsur
lanthanide
transisi Metal
CAS Number
7440008
99+
7440166
99+
Jeneng papan Group
P63 / mmc
Fm_ 3M
Space Group Number
194.00
5
225.00
2
facts
Facts Interesting
- Neodymium ora ketemu gratis ing alam, Empu iku ora logam native.
- metal Neodymium ditemokaké ing mineral Monazite lan bastnaesite.
- 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
Found in Minerals, Mining
bumi lemah ndhuwur, Found Minangka By-produk, Found in Minerals, Mining
History
sing katutup
Carl Auer von Welsbach
William Hyde Wollaston
Discovery
ing taun 1885
ing taun 1804
turah mbrawah
Turah mbrawah Ing Universe
1 * 10-6 %
16
6 * 10-8 %
26
Turah mbrawah Ing Sun
~0.0000003 %
24
~0.0000002 %
25
Turah mbrawah Ing meteorit
0.00 %
30
0.00 %
36
Turah mbrawah Ing bumi lemah ndhuwur
0.00 %
20
0.00 %
99+
Turah mbrawah Ing Segara
0.00 %
30
ora Sumadhiya
ulah
Ulah lan Wuku
- alloy Neodymium-Iron-boron digunakake kanggo nggawe wesi sembrani permanen.
- Kang digunakake ing Mikrofon, Mp3 pamuter, speaker, telpon seluler, etc.
Character length exceed error
Ulah Industrial
Industry Aerospace, Industry Listrik, Industry Elektronik
Industry Aerospace, Industry automobile, Industry Listrik, Industry Elektronik
Ulah Medical
NA
NA
Ulah liyane
wesi
wesi
Properties biologi
keracunan
non Toxic
NA
Saiki ing badan Human
Ora
Ora
fisik Properties
leleh Point
1,010.00 ° C
99+
1,966.00 ° C
12
Boiling Point
3,127.00 ° C
28
3,727.00 ° C
17
katon
State fisik
Solid
Solid
warna
perak Putih
perak Putih
luster
metallic
metallic
atose
Mohs atose
ora Sumadhiya
6.00
6
Brinell atose
265.00 MPa
35
980.00 MPa
9
Vickers atose
345.00 MPa
27
1,100.00 MPa
9
Kacepetan swara
2,330.00 m / s
38
4,700.00 m / s
15
Properties Optical
reflectivity
ora Sumadhiya
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
Nd
Rh
isotop
Isotop dikenal
30
9
16
23
keelektronegatifan
Pauling Elektronegativitas
1.14
99+
2.28
3
Allred Rochow Elektronegativitas
1.07
32
1.45
16
Allen Elektronegativitas
ora Sumadhiya
1.56
24
Electropositivity
Pauling Electropositivity
2.86
13
1.72
99+
tenogo ionisasi
Level Energy 1st
533.10 kJ / mol
99+
719.70 kJ / mol
29
Level Energy 2
1,040.00 kJ / mol
99+
1,740.00 kJ / mol
26
Level Energy 3rd
2,130.00 kJ / mol
99+
2,997.00 kJ / mol
27
Level Energy 4
3,900.00 kJ / mol
99+
ora Sumadhiya
padha karo elektrokimia
1.79 g / amp-day
37
1.28 g / amp-day
99+
Fungsi Work elektron
3.20 eV
34
4.98 eV
6
Properties Kimia liyane
Kimia Stabilitas, Corrosion, kebakar, ionisasi
anti Corrosion, ionisasi, Isotop radioaktif
atom Properties
Panggil atom
60
99+
45
99+
Konfigurasi elektron
[Xe] 4F 4 6s 2
[Kr] 4d 8 5S 1
Struktur Crystal
Double Hexagonal Tutup dikempalken (DHCP)
Face tengah kubik (FCC)
Crystal pola
DHCP-Crystal-Structure-of-Neodymium.jpg#100
FCC-Crystal-Structure-of-Rhodium.jpg#100
atom
Jumlah proton
60
99+
45
99+
Jumlah Neutron
84
40
58
99+
Jumlah Èlèktron
60
99+
45
99+
Radius saka Atom
Radius atom
181.00 pm
13
134.00 pm
99+
kovalen Radius
201.00 pm
10
142.00 pm
99+
Van der Waals Radius
229.00 pm
20
200.00 pm
28
Bobot atom
144.24 Amu
99+
102.91 Amu
99+
Volume atom
20.60 cm3 / mol
18
8.30 cm3 / mol
99+
Nomer atom jejer
Potensi Valence Electron
43.40 (-eV)
99+
64.00 (-eV)
22
Constant pola
365.80 pm
30
380.34 pm
27
pola Angles
π/2, π/2, 2 π/3
π/2, π/2, π/2
Pola C / A rasio
1.61
4
ora Sumadhiya
Teknik Properties
Kapadhetan
Kapadhetan Ing suhu kamar
7.01 g / cm 3
99+
12.41 g / cm 3
28
Kapadhetan Nalika Liquid (ing mp)
6.89 g / cm3
36
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)
21
ora Sumadhiya
Meksa beluk ing 2000 K
101.00 (Pa)
2
0.02 (Pa)
19
situs kelenturan
nyukur pengaturan
16.30 GPA
38
150.00 GPA
6
pengaturan akeh
31.80 GPA
37
275.00 GPA
5
Young kang pengaturan
41.40 GPA
40
380.00 GPA
5
Poisson rasio
0.28
16
0.26
22
Properties Teknik liyane
NA
malleable
Magnetic Properties
Ciri Magnetic
Gravitasi tartamtu
7.00
99+
12.41
20
Nindakake Magnetic
paramagnetic
paramagnetic
Properties Listrik
Property Listrik
NA
Arman
resistivity
643.00 nΩ · m
6
43.30 nΩ · m
99+
konduktivitas listrik
0.02 10 6 / cm Ω
99+
0.21 10 6 / cm Ω
8
elektron Affinity
50.00 kJ / mol
21
109.70 kJ / mol
7
termal Properties
Kalor tartamtu
0.19 J / (kg K)
32
0.24 J / (kg K)
22
Graham Kapasitas kalor
27.45 J / mol · K
17
24.98 J / mol · K
99+
doyo termal
16.50 W / m · K
99+
150.00 W / m · K
9
suhu kritis
ora Sumadhiya
ora Sumadhiya
Expansion termal
9.60 μm / (m · K)
99+
8.20 μm / (m · K)
99+
enthalpy
Enthalpy panguapan
273.00 kJ / mol
34
495.40 kJ / mol
12
Enthalpy saka Fusion
7.14 kJ / mol
99+
21.76 kJ / mol
10
Enthalpy saka atomization
322.00 kJ / mol
32
556.50 kJ / mol
12
Standard molar Entropy
71.50 J / mol.K
13
31.50 J / mol.K
99+
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