Neodymium mungsuh technetium
Tabel périodik
Symbol
Nd
Tc
Panggil Group
1
17
7
11
Panggil periode
6
5
Block
pemblokiran f
d block
Family unsur
lanthanide
transisi Metal
CAS Number
7440008
99+
7440268
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.
- jeneng asli Technetium ana masurium.
- Ing wektu nemokaké iku ditemokaké ing sampel Molybdenum.
sumber
Found in Minerals, Mining
Digawe dening némbakaké Molybdenum karo deuterons
History
sing katutup
Carl Auer von Welsbach
Emilio Segrè and Carlo Perriero
Discovery
ing taun 1885
ing taun 1937
turah mbrawah
Turah mbrawah Ing Universe
1 * 10-6 %
16
ora Sumadhiya
Turah mbrawah Ing Sun
~0.0000003 %
24
~-9999 %
Turah mbrawah Ing meteorit
0.00 %
30
ora Sumadhiya
Turah mbrawah Ing bumi lemah ndhuwur
0.00 %
20
ora Sumadhiya
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.
- Technetium punika logam radioaktif lan Empu iku digunakake kanggo pasinaon medical lan risèt liyane.
Ulah Industrial
Industry Aerospace, Industry Listrik, Industry Elektronik
NA
Ulah Medical
NA
NA
Ulah liyane
wesi
wesi, Nuclear Riset, tujuan Research
Properties biologi
keracunan
non Toxic
Low Toxic
Saiki ing badan Human
Ora
Ora
Sang
ora Sumadhiya
0.00 Sang / mg dm-3
37
ing Bone
ora Sumadhiya
0.00 ppm
36
fisik Properties
leleh Point
1,010.00 ° C
99+
2,200.00 ° C
9
Boiling Point
3,127.00 ° C
28
4,877.00 ° C
7
katon
State fisik
Solid
Solid
warna
perak Putih
Shiny Gray
luster
metallic
NA
atose
Brinell atose
265.00 MPa
35
ora Sumadhiya
Vickers atose
345.00 MPa
27
ora Sumadhiya
Kacepetan swara
2,330.00 m / s
38
16,200.00 m / s
1
Properties Optical
allotropes
Ora
Ora
α allotropes
ora Sumadhiya
ora Sumadhiya
β allotropes
ora Sumadhiya
ora Sumadhiya
γ allotropes
ora Sumadhiya
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Kimia Properties
Formula Kimia
Nd
Tc
isotop
Isotop dikenal
30
9
18
21
keelektronegatifan
Pauling Elektronegativitas
1.14
99+
1.90
11
Allred Rochow Elektronegativitas
1.07
32
1.36
20
Allen Elektronegativitas
ora Sumadhiya
1.51
28
Electropositivity
Pauling Electropositivity
2.86
13
2.10
99+
tenogo ionisasi
Level Energy 1st
533.10 kJ / mol
99+
702.00 kJ / mol
36
Level Energy 2
1,040.00 kJ / mol
99+
1,470.00 kJ / mol
99+
Level Energy 3rd
2,130.00 kJ / mol
99+
2,850.00 kJ / mol
33
Level Energy 4
3,900.00 kJ / mol
99+
ora Sumadhiya
padha karo elektrokimia
1.79 g / amp-day
37
0.52 g / amp-day
99+
Fungsi Work elektron
3.20 eV
34
ora Sumadhiya
Properties Kimia liyane
Kimia Stabilitas, Corrosion, kebakar, ionisasi
anti Corrosion, ionisasi, Isotop radioaktif, Radioaktif, kelarutan
atom Properties
Panggil atom
60
99+
43
99+
Konfigurasi elektron
[Xe] 4F 4 6s 2
[Kr] 4d 5 5S 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-Technetium.jpg#100
atom
Jumlah proton
60
99+
43
99+
Jumlah Neutron
84
40
55
99+
Jumlah Èlèktron
60
99+
43
99+
Radius saka Atom
Radius atom
181.00 pm
13
136.00 pm
99+
kovalen Radius
201.00 pm
10
147.00 pm
37
Van der Waals Radius
229.00 pm
20
200.00 pm
28
Bobot atom
144.24 Amu
99+
98.00 Amu
99+
Volume atom
20.60 cm3 / mol
18
8.50 cm3 / mol
99+
Nomer atom jejer
Potensi Valence Electron
43.40 (-eV)
99+
180.00 (-eV)
3
Constant pola
365.80 pm
30
273.50 pm
99+
pola Angles
π/2, π/2, 2 π/3
π/2, π/2, 2 π/3
Pola C / A rasio
1.61
4
1.60
5
Teknik Properties
Kapadhetan
Kapadhetan Ing suhu kamar
7.01 g / cm 3
99+
11.00 g / cm 3
34
Kapadhetan Nalika Liquid (ing mp)
6.89 g / cm3
36
ora Sumadhiya
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
ora Sumadhiya
situs kelenturan
nyukur pengaturan
16.30 GPA
38
ora Sumadhiya
pengaturan akeh
31.80 GPA
37
ora Sumadhiya
Young kang pengaturan
41.40 GPA
40
ora Sumadhiya
Poisson rasio
0.28
16
ora Sumadhiya
Properties Teknik liyane
NA
NA
Magnetic Properties
Ciri Magnetic
Gravitasi tartamtu
7.00
99+
11.50
24
Nindakake Magnetic
paramagnetic
paramagnetic
Properties Listrik
Property Listrik
NA
Arman
resistivity
643.00 nΩ · m
6
200.00 nΩ · m
18
konduktivitas listrik
0.02 10 6 / cm Ω
99+
0.07 10 6 / cm Ω
30
elektron Affinity
50.00 kJ / mol
21
53.00 kJ / mol
18
termal Properties
Kalor tartamtu
0.19 J / (kg K)
32
0.21 J / (kg K)
29
Graham Kapasitas kalor
27.45 J / mol · K
17
24.27 J / mol · K
99+
doyo termal
16.50 W / m · K
99+
50.60 W / m · K
30
suhu kritis
ora Sumadhiya
ora Sumadhiya
Expansion termal
9.60 μm / (m · K)
99+
7.10 μm / (m · K)
99+
enthalpy
Enthalpy panguapan
273.00 kJ / mol
34
660.00 kJ / mol
6
Enthalpy saka Fusion
7.14 kJ / mol
99+
23.01 kJ / mol
9
Enthalpy saka atomization
322.00 kJ / mol
32
649.00 kJ / mol
8
Standard molar Entropy
71.50 J / mol.K
13
181.10 J / mol.K
2
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