neptunium mungsuh Neodymium
Tabel périodik
Symbol
Np
Nd
Panggil Group
ora Sumadhiya
1
17
Panggil periode
7
6
Block
pemblokiran f
pemblokiran f
Family unsur
actinide
lanthanide
CAS Number
7439998
99+
7440008
99+
Jeneng papan Group
Pnma
P63 / mmc
Space Group Number
62.00
11
194.00
5
facts
Facts Interesting
ora Cepak
- Neodymium ora ketemu gratis ing alam, Empu iku ora logam native.
- metal Neodymium ditemokaké ing mineral Monazite lan bastnaesite.
sumber
Digawe dening némbakaké Uranium karo Neutron, Ores logam
Found in Minerals, Mining
History
sing katutup
Edwin McMillan and Philip H. Abelson
Carl Auer von Welsbach
Discovery
ing taun 1940
ing taun 1885
turah mbrawah
Turah mbrawah Ing Universe
ora Sumadhiya
1 * 10-6 %
16
Turah mbrawah Ing Sun
~-9999 %
~0.0000003 %
24
Turah mbrawah Ing meteorit
ora Sumadhiya
0.00 %
30
Turah mbrawah Ing bumi lemah ndhuwur
ora Sumadhiya
0.00 %
20
Turah mbrawah Ing Segara
ora Sumadhiya
0.00 %
30
ulah
Ulah lan Wuku
- Efesus saiki dikenal saka logam Neptunium sing winates kanggo riset waé mung.
- Neptunium kang isotop neptunium-237 digunakake minangka neutron detektor.
- alloy Neodymium-Iron-boron digunakake kanggo nggawe wesi sembrani permanen.
- Kang digunakake ing Mikrofon, Mp3 pamuter, speaker, telpon seluler, etc.
Ulah Industrial
NA
Industry Aerospace, Industry Listrik, Industry Elektronik
Ulah Medical
NA
NA
Ulah liyane
wesi, Nuclear Riset, tujuan Research
wesi
Properties biologi
keracunan
Toxic
non Toxic
Saiki ing badan Human
Ora
Ora
Sang
0.00 Sang / mg dm-3
37
ora Sumadhiya
ing Bone
0.00 ppm
36
ora Sumadhiya
fisik Properties
leleh Point
640.00 ° C
99+
1,010.00 ° C
99+
Boiling Point
3,902.00 ° C
13
3,127.00 ° C
28
katon
State fisik
Solid
Solid
warna
Silver
perak Putih
luster
metallic
metallic
atose
Brinell atose
ora Sumadhiya
265.00 MPa
35
Vickers atose
ora Sumadhiya
345.00 MPa
27
Kacepetan swara
ora Sumadhiya
2,330.00 m / s
38
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
Np
Nd
isotop
Isotop dikenal
20
19
30
9
keelektronegatifan
Pauling Elektronegativitas
1.36
29
1.14
99+
Allred Rochow Elektronegativitas
1.22
26
1.07
32
Electropositivity
Pauling Electropositivity
2.64
25
2.86
13
tenogo ionisasi
Level Energy 1st
604.50 kJ / mol
99+
533.10 kJ / mol
99+
Level Energy 2
1,128.00 kJ / mol
99+
1,040.00 kJ / mol
99+
Level Energy 3rd
1,997.00 kJ / mol
99+
2,130.00 kJ / mol
99+
Level Energy 4
3,242.00 kJ / mol
99+
3,900.00 kJ / mol
99+
padha karo elektrokimia
1.77 g / amp-day
39
1.79 g / amp-day
37
Fungsi Work elektron
ora Sumadhiya
3.20 eV
34
Properties Kimia liyane
ionisasi, Isotop radioaktif, Radioaktif, kelarutan
Kimia Stabilitas, Corrosion, kebakar, ionisasi
atom Properties
Panggil atom
93
25
60
99+
Konfigurasi elektron
[Rn] 5F 4 6D 1 7s 2
[Xe] 4F 4 6s 2
Struktur Crystal
Orthorhombic (Orth)
Double Hexagonal Tutup dikempalken (DHCP)
Crystal pola
ORTH-Crystal-Structure-of-Neptunium.jpg#100
DHCP-Crystal-Structure-of-Neodymium.jpg#100
atom
Jumlah proton
93
25
60
99+
Jumlah Neutron
144
14
84
40
Jumlah Èlèktron
93
25
60
99+
Radius saka Atom
Radius atom
155.00 pm
30
181.00 pm
13
kovalen Radius
190.00 pm
18
201.00 pm
10
Van der Waals Radius
221.00 pm
22
229.00 pm
20
Bobot atom
237.00 Amu
22
144.24 Amu
99+
Volume atom
11.62 cm3 / mol
99+
20.60 cm3 / mol
18
Nomer atom jejer
Potensi Valence Electron
96.00 (-eV)
9
43.40 (-eV)
99+
Constant pola
666.30 pm
3
365.80 pm
30
pola Angles
π/2, π/2, π/2
π/2, π/2, 2 π/3
Pola C / A rasio
ora Sumadhiya
1.61
4
Teknik Properties
Kapadhetan
Kapadhetan Ing suhu kamar
19.38 g / cm 3
14
7.01 g / cm 3
99+
Kapadhetan Nalika Liquid (ing mp)
ora Sumadhiya
6.89 g / cm3
36
Strength tensile
125.00 MPa
14
ora Sumadhiya
viskositas
ora Sumadhiya
ora Sumadhiya
meksa beluk
Meksa beluk ing 1000 K
ora Sumadhiya
0.00 (Pa)
21
Meksa beluk ing 2000 K
0.11 (Pa)
17
101.00 (Pa)
2
situs kelenturan
nyukur pengaturan
ora Sumadhiya
16.30 GPA
38
pengaturan akeh
ora Sumadhiya
31.80 GPA
37
Young kang pengaturan
ora Sumadhiya
41.40 GPA
40
Poisson rasio
ora Sumadhiya
0.28
16
Properties Teknik liyane
ductile
NA
Magnetic Properties
Ciri Magnetic
Gravitasi tartamtu
20.25
6
7.00
99+
Nindakake Magnetic
paramagnetic
paramagnetic
Properties Listrik
Property Listrik
Arman
NA
resistivity
1.22 nΩ · m
99+
643.00 nΩ · m
6
konduktivitas listrik
0.01 10 6 / cm Ω
99+
0.02 10 6 / cm Ω
99+
elektron Affinity
ora Sumadhiya
50.00 kJ / mol
21
termal Properties
Kalor tartamtu
0.12 J / (kg K)
40
0.19 J / (kg K)
32
Graham Kapasitas kalor
29.46 J / mol · K
8
27.45 J / mol · K
17
doyo termal
6.30 W / m · K
99+
16.50 W / m · K
99+
suhu kritis
ora Sumadhiya
ora Sumadhiya
Expansion termal
ora Sumadhiya
9.60 μm / (m · K)
99+
enthalpy
Enthalpy panguapan
ora Sumadhiya
273.00 kJ / mol
34
Enthalpy saka Fusion
3.20 kJ / mol
99+
7.14 kJ / mol
99+
Enthalpy saka atomization
ora Sumadhiya
322.00 kJ / mol
32
Standard molar Entropy
ora Sumadhiya
71.50 J / mol.K
13
|
||
|
||
|
