Neodymium mungsuh Terbium
Tabel périodik
Symbol
Nd
Tb
Panggil Group
1
17
ora Sumadhiya
Panggil periode
6
6
Block
pemblokiran f
pemblokiran f
Family unsur
lanthanide
lanthanide
CAS Number
7440008
99+
7440279
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.
- Ing kaping Terbium logam tumindak padha Calcium.
- metal Terbium rapet padha logam Lanthanum.
sumber
Found in Minerals, Mining
Found in Minerals, Ketemu karo Other Metals Bumi Langka, Mining, Ores saka Minerals
History
sing katutup
Carl Auer von Welsbach
Carl Gustaf Mosander
Discovery
ing taun 1885
Wonten ing taun 1842
turah mbrawah
Turah mbrawah Ing Universe
1 * 10-6 %
16
5 * 10-8 %
27
Turah mbrawah Ing Sun
~0.0000003 %
24
~0.00000001 %
29
Turah mbrawah Ing meteorit
0.00 %
30
0.00 %
99+
Turah mbrawah Ing bumi lemah ndhuwur
0.00 %
20
0.00 %
40
Turah mbrawah Ing Segara
0.00 %
30
0.00 %
99+
ulah
Ulah lan Wuku
- alloy Neodymium-Iron-boron digunakake kanggo nggawe wesi sembrani permanen.
- Kang digunakake ing Mikrofon, Mp3 pamuter, speaker, telpon seluler, etc.
- uyah Terbium digunakake ing piranti optik kaya piranti laser.
- alloy Terbium kang lengthens lan cendhak Magnetik kolom lan efek iki formulir speker.
Ulah Industrial
Industry Aerospace, Industry Listrik, Industry Elektronik
Industry Elektronik
Ulah Medical
NA
NA
Ulah liyane
wesi
wesi
Properties biologi
keracunan
non Toxic
Low Toxic
Saiki ing badan Human
Ora
Ora
fisik Properties
leleh Point
1,010.00 ° C
99+
1,356.00 ° C
33
Boiling Point
3,127.00 ° C
28
3,123.00 ° C
29
katon
State fisik
Solid
Solid
warna
perak Putih
perak Putih
luster
metallic
metallic
atose
Brinell atose
265.00 MPa
35
677.00 MPa
17
Vickers atose
345.00 MPa
27
863.00 MPa
13
Kacepetan swara
2,330.00 m / s
38
2,620.00 m / s
35
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
Tb
isotop
Isotop dikenal
30
9
26
13
keelektronegatifan
Pauling Elektronegativitas
1.14
99+
ora Sumadhiya
Allred Rochow Elektronegativitas
1.07
32
1.10
30
Electropositivity
Pauling Electropositivity
2.86
13
ora Sumadhiya
tenogo ionisasi
Level Energy 1st
533.10 kJ / mol
99+
603.40 kJ / mol
99+
Level Energy 2
1,040.00 kJ / mol
99+
1,174.80 kJ / mol
99+
Level Energy 3rd
2,130.00 kJ / mol
99+
2,417.00 kJ / mol
99+
Level Energy 4
3,900.00 kJ / mol
99+
4,203.00 kJ / mol
31
padha karo elektrokimia
1.79 g / amp-day
37
1.98 g / amp-day
31
Fungsi Work elektron
3.20 eV
34
3.00 eV
36
Properties Kimia liyane
Kimia Stabilitas, Corrosion, kebakar, ionisasi
ionisasi, Isotop radioaktif, kelarutan
atom Properties
Panggil atom
60
99+
65
99+
Konfigurasi elektron
[Xe] 4F 4 6s 2
[Xe] 4F 9 6s 2
Struktur Crystal
Double Hexagonal Tutup dikempalken (DHCP)
Hexagonal Tutup dikempalken (HCP)
Crystal pola
DHCP-Crystal-Structure-of-Neodymium.jpg#100
HCP-Crystal-Structure-of-Terbium.jpg#100
atom
Jumlah proton
60
99+
65
99+
Jumlah Neutron
84
40
94
36
Jumlah Èlèktron
60
99+
65
99+
Radius saka Atom
Radius atom
181.00 pm
13
177.00 pm
17
kovalen Radius
201.00 pm
10
194.00 pm
16
Van der Waals Radius
229.00 pm
20
221.00 pm
22
Bobot atom
144.24 Amu
99+
158.93 Amu
99+
Volume atom
20.60 cm3 / mol
18
19.20 cm3 / mol
22
Nomer atom jejer
Potensi Valence Electron
43.40 (-eV)
99+
46.80 (-eV)
33
Constant pola
365.80 pm
30
360.10 pm
36
pola Angles
π/2, π/2, 2 π/3
π/2, π/2, 2 π/3
Pola C / A rasio
1.61
4
1.58
13
Teknik Properties
Kapadhetan
Kapadhetan Ing suhu kamar
7.01 g / cm 3
99+
8.23 g / cm 3
99+
Kapadhetan Nalika Liquid (ing mp)
6.89 g / cm3
36
7.65 g / cm3
30
Strength tensile
ora Sumadhiya
60.00 MPa
17
viskositas
ora Sumadhiya
ora Sumadhiya
meksa beluk
Meksa beluk ing 1000 K
0.00 (Pa)
21
0.00 (Pa)
29
Meksa beluk ing 2000 K
101.00 (Pa)
2
12.50 (Pa)
8
situs kelenturan
nyukur pengaturan
16.30 GPA
38
22.10 GPA
32
pengaturan akeh
31.80 GPA
37
38.70 GPA
33
Young kang pengaturan
41.40 GPA
40
55.70 GPA
34
Poisson rasio
0.28
16
0.26
21
Properties Teknik liyane
NA
ductile, malleable
Magnetic Properties
Ciri Magnetic
Gravitasi tartamtu
7.00
99+
8.23
39
Nindakake Magnetic
paramagnetic
paramagnetic
Properties Listrik
Property Listrik
NA
Arman
resistivity
643.00 nΩ · m
6
1.15 nΩ · m
99+
konduktivitas listrik
0.02 10 6 / cm Ω
99+
0.01 10 6 / cm Ω
99+
elektron Affinity
50.00 kJ / mol
21
50.00 kJ / mol
21
termal Properties
Kalor tartamtu
0.19 J / (kg K)
32
0.18 J / (kg K)
33
Graham Kapasitas kalor
27.45 J / mol · K
17
28.91 J / mol · K
9
doyo termal
16.50 W / m · K
99+
11.10 W / m · K
99+
suhu kritis
ora Sumadhiya
ora Sumadhiya
Expansion termal
9.60 μm / (m · K)
99+
10.30 μm / (m · K)
38
enthalpy
Enthalpy panguapan
273.00 kJ / mol
34
330.90 kJ / mol
26
Enthalpy saka Fusion
7.14 kJ / mol
99+
10.80 kJ / mol
34
Enthalpy saka atomization
322.00 kJ / mol
32
314.00 kJ / mol
33
Standard molar Entropy
71.50 J / mol.K
13
73.20 J / mol.K
10
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