Neodymium mungsuh lanthanum
Tabel périodik
Symbol
Nd
La
Panggil Group
1
17
ora Sumadhiya
Panggil periode
6
6
Block
pemblokiran f
pemblokiran f
Family unsur
lanthanide
lanthanide
CAS Number
7440008
99+
7439910
99+
Jeneng papan Group
P63 / mmc
P63 / mmc
Space Group Number
194.00
5
194.00
5
facts
Facts Interesting
- Neodymium ora ketemu gratis ing alam, Empu iku ora logam native.
- metal Neodymium ditemokaké ing mineral Monazite lan bastnaesite.
- Lanthanum logam punika Highly malleable, ductile lan sectile.
- Yen kapapar logam Lanthanum online oxidizes kanthi cepet.
sumber
Found in Minerals, Mining
Found in Minerals, Mining, Ores saka Minerals
History
sing katutup
Carl Auer von Welsbach
Carl Gustaf Mosander
Discovery
ing taun 1885
Wonten ing taun 1838
turah mbrawah
Turah mbrawah Ing Universe
1 * 10-6 %
16
2 * 10-7 %
22
Turah mbrawah Ing Sun
~0.0000003 %
24
~0.0000002 %
25
Turah mbrawah Ing meteorit
0.00 %
30
0.00 %
32
Turah mbrawah Ing bumi lemah ndhuwur
0.00 %
20
0.00 %
19
Turah mbrawah Ing Segara
0.00 %
30
0.00 %
29
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 Listrik, Industry Elektronik
Ulah Medical
NA
NA
Ulah liyane
wesi
wesi, Manufacturing mirror
Properties biologi
keracunan
non Toxic
Low Toxic
Saiki ing badan Human
Ora
Ya
ing Bone
ora Sumadhiya
0.08 ppm
24
fisik Properties
leleh Point
1,010.00 ° C
99+
920.00 ° C
99+
Boiling Point
3,127.00 ° C
28
3,469.00 ° C
18
katon
State fisik
Solid
Solid
warna
perak Putih
perak Putih
luster
metallic
NA
atose
Mohs atose
ora Sumadhiya
2.50
14
Brinell atose
265.00 MPa
35
350.00 MPa
30
Vickers atose
345.00 MPa
27
360.00 MPa
26
Kacepetan swara
2,330.00 m / s
38
2,475.00 m / s
37
Properties Optical
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
La
isotop
Isotop dikenal
30
9
31
8
keelektronegatifan
Pauling Elektronegativitas
1.14
99+
1.10
99+
Allred Rochow Elektronegativitas
1.07
32
1.08
31
Electropositivity
Pauling Electropositivity
2.86
13
2.90
10
tenogo ionisasi
Level Energy 1st
533.10 kJ / mol
99+
538.10 kJ / mol
99+
Level Energy 2
1,040.00 kJ / mol
99+
1,067.00 kJ / mol
99+
Level Energy 3rd
2,130.00 kJ / mol
99+
1,850.30 kJ / mol
99+
Level Energy 4
3,900.00 kJ / mol
99+
4,819.00 kJ / mol
22
Level Energy 5th
ora Sumadhiya
5,940.00 kJ / mol
25
padha karo elektrokimia
1.79 g / amp-day
37
1.73 g / amp-day
99+
Fungsi Work elektron
3.20 eV
34
3.50 eV
31
Properties Kimia liyane
Kimia Stabilitas, Corrosion, kebakar, ionisasi
ionisasi, Isotop radioaktif, kelarutan
atom Properties
Panggil atom
60
99+
57
99+
Konfigurasi elektron
[Xe] 4F 4 6s 2
[Xe] 5d 2 6s 2
Struktur Crystal
Double Hexagonal Tutup dikempalken (DHCP)
Double Hexagonal Tutup dikempalken (DHCP)
Crystal pola
DHCP-Crystal-Structure-of-Neodymium.jpg#100
DHCP-Crystal-Structure-of-Lanthanum.jpg#100
atom
Jumlah proton
60
99+
57
99+
Jumlah Neutron
84
40
82
99+
Jumlah Èlèktron
60
99+
57
99+
Radius saka Atom
Radius atom
181.00 pm
13
187.00 pm
8
kovalen Radius
201.00 pm
10
207.00 pm
6
Van der Waals Radius
229.00 pm
20
240.00 pm
13
Bobot atom
144.24 Amu
99+
138.91 Amu
99+
Volume atom
20.60 cm3 / mol
18
20.73 cm3 / mol
16
Nomer atom jejer
Potensi Valence Electron
43.40 (-eV)
99+
40.71 (-eV)
99+
Constant pola
365.80 pm
30
377.20 pm
28
pola Angles
π/2, π/2, 2 π/3
π/2, π/2, 2 π/3
Pola C / A rasio
1.61
4
1.62
2
Teknik Properties
Kapadhetan
Kapadhetan Ing suhu kamar
7.01 g / cm 3
99+
6.16 g / cm 3
99+
Kapadhetan Nalika Liquid (ing mp)
6.89 g / cm3
36
5.94 g / cm3
99+
Strength tensile
ora Sumadhiya
ora Sumadhiya
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
0.98 (Pa)
15
situs kelenturan
nyukur pengaturan
16.30 GPA
38
14.30 GPA
40
pengaturan akeh
31.80 GPA
37
27.90 GPA
99+
Young kang pengaturan
41.40 GPA
40
36.60 GPA
99+
Poisson rasio
0.28
16
0.28
17
Properties Teknik liyane
NA
ductile
Magnetic Properties
Ciri Magnetic
Gravitasi tartamtu
7.00
99+
6.17
99+
Nindakake Magnetic
paramagnetic
paramagnetic
Properties Listrik
Property Listrik
NA
Arman
resistivity
643.00 nΩ · m
6
615.00 nΩ · m
7
konduktivitas listrik
0.02 10 6 / cm Ω
99+
0.01 10 6 / cm Ω
99+
elektron Affinity
50.00 kJ / mol
21
48.00 kJ / mol
23
termal Properties
Kalor tartamtu
0.19 J / (kg K)
32
0.19 J / (kg K)
32
Graham Kapasitas kalor
27.45 J / mol · K
17
27.11 J / mol · K
21
doyo termal
16.50 W / m · K
99+
13.40 W / m · K
99+
suhu kritis
ora Sumadhiya
ora Sumadhiya
Expansion termal
9.60 μm / (m · K)
99+
12.10 μm / (m · K)
32
enthalpy
Enthalpy panguapan
273.00 kJ / mol
34
399.60 kJ / mol
17
Enthalpy saka Fusion
7.14 kJ / mol
99+
6.20 kJ / mol
99+
Enthalpy saka atomization
322.00 kJ / mol
32
431.00 kJ / mol
16
Standard molar Entropy
71.50 J / mol.K
13
56.90 J / mol.K
23
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