neptunium mungsuh Europium
Tabel périodik
Symbol
Np
Eu
Panggil Group
ora Sumadhiya
ora Sumadhiya
Panggil periode
7
6
Block
pemblokiran f
pemblokiran f
Family unsur
actinide
lanthanide
CAS Number
7439998
99+
7440531
34
Jeneng papan Group
Pnma
3M Im_
Space Group Number
62.00
11
229.00
1
facts
Facts Interesting
ora Cepak
ora Cepak
sumber
Digawe dening némbakaké Uranium karo Neutron, Ores logam
Found in Minerals, Mining, Ores saka Minerals
History
sing katutup
Edwin McMillan and Philip H. Abelson
Eugène-Anatole Demarçay
Discovery
ing taun 1940
ing taun 1896
turah mbrawah
Turah mbrawah Ing Universe
ora Sumadhiya
5 * 10-8 %
27
Turah mbrawah Ing Sun
~-9999 %
~0.00000005 %
27
Turah mbrawah Ing meteorit
ora Sumadhiya
0.00 %
99+
Turah mbrawah Ing bumi lemah ndhuwur
ora Sumadhiya
0.00 %
36
Turah mbrawah Ing Segara
ora Sumadhiya
0.00 %
99+
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.
- logam Europium utama Efesus ing printing saka dhuwit kertas Euro. cathetan iki cemlorot abang ing lampu UV.
- Kang digunakake ing bolam lampu kurang energi.
Ulah Industrial
NA
Industri Kimia
Ulah Medical
NA
NA
Ulah liyane
wesi, Nuclear Riset, tujuan Research
wesi
Properties biologi
keracunan
Toxic
non Toxic
Saiki ing badan Human
Ora
Ya
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+
822.00 ° C
99+
Boiling Point
3,902.00 ° C
13
1,597.00 ° C
99+
katon
State fisik
Solid
Solid
warna
Silver
perak Putih
luster
metallic
lustrous
atose
Vickers atose
ora Sumadhiya
167.00 MPa
34
Kacepetan swara
ora Sumadhiya
ora Sumadhiya
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
Eu
isotop
Isotop dikenal
20
19
31
8
keelektronegatifan
Pauling Elektronegativitas
1.36
29
1.20
39
Sanderson Elektronegativitas
ora Sumadhiya
1.01
22
Allred Rochow Elektronegativitas
1.22
26
ora Sumadhiya
Electropositivity
Pauling Electropositivity
2.64
25
ora Sumadhiya
tenogo ionisasi
Level Energy 1st
604.50 kJ / mol
99+
547.10 kJ / mol
99+
Level Energy 2
1,128.00 kJ / mol
99+
1,085.00 kJ / mol
99+
Level Energy 3rd
1,997.00 kJ / mol
99+
2,404.00 kJ / mol
99+
Level Energy 4
3,242.00 kJ / mol
99+
4,120.00 kJ / mol
33
padha karo elektrokimia
1.77 g / amp-day
39
1.89 g / amp-day
33
Fungsi Work elektron
ora Sumadhiya
2.50 eV
99+
Properties Kimia liyane
ionisasi, Isotop radioaktif, Radioaktif, kelarutan
ionisasi, Isotop radioaktif, kelarutan
atom Properties
Panggil atom
93
25
63
99+
Konfigurasi elektron
[Rn] 5F 4 6D 1 7s 2
[Xe] 4F 7 6s 2
Struktur Crystal
Orthorhombic (Orth)
Body tengah kubik (Bcc)
Crystal pola
ORTH-Crystal-Structure-of-Neptunium.jpg#100
BCC-Crystal-Structure-.jpg#100
atom
Jumlah proton
93
25
63
99+
Jumlah Neutron
144
14
89
38
Jumlah Èlèktron
93
25
63
99+
Radius saka Atom
Radius atom
155.00 pm
30
180.00 pm
14
kovalen Radius
190.00 pm
18
198.00 pm
13
Van der Waals Radius
221.00 pm
22
233.00 pm
18
Bobot atom
237.00 Amu
22
151.96 Amu
99+
Volume atom
11.62 cm3 / mol
99+
28.90 cm3 / mol
8
Nomer atom jejer
Potensi Valence Electron
96.00 (-eV)
9
45.60 (-eV)
35
Constant pola
666.30 pm
3
458.10 pm
17
pola Angles
π/2, π/2, π/2
π/2, π/2, π/2
Pola C / A rasio
ora Sumadhiya
ora Sumadhiya
Teknik Properties
Kapadhetan
Kapadhetan Ing suhu kamar
19.38 g / cm 3
14
5.26 g / cm 3
99+
Kapadhetan Nalika Liquid (ing mp)
ora Sumadhiya
5.13 g / cm3
99+
Strength tensile
125.00 MPa
14
120.00 MPa
15
viskositas
ora Sumadhiya
ora Sumadhiya
meksa beluk
Meksa beluk ing 1000 K
ora Sumadhiya
19.40 (Pa)
4
Meksa beluk ing 2000 K
0.11 (Pa)
17
ora Sumadhiya
situs kelenturan
nyukur pengaturan
ora Sumadhiya
7.90 GPA
99+
pengaturan akeh
ora Sumadhiya
8.30 GPA
99+
Young kang pengaturan
ora Sumadhiya
18.20 GPA
99+
Poisson rasio
ora Sumadhiya
0.15
34
Properties Teknik liyane
ductile
ductile
Magnetic Properties
Ciri Magnetic
Gravitasi tartamtu
20.25
6
5.24
99+
Nindakake Magnetic
paramagnetic
paramagnetic
Properties Listrik
Property Listrik
Arman
Arman
resistivity
1.22 nΩ · m
99+
0.90 nΩ · m
99+
konduktivitas listrik
0.01 10 6 / cm Ω
99+
0.01 10 6 / cm Ω
99+
elektron Affinity
ora Sumadhiya
50.00 kJ / mol
21
termal Properties
Kalor tartamtu
0.12 J / (kg K)
40
0.18 J / (kg K)
33
Graham Kapasitas kalor
29.46 J / mol · K
8
27.66 J / mol · K
16
doyo termal
6.30 W / m · K
99+
13.90 W / m · K
99+
suhu kritis
ora Sumadhiya
ora Sumadhiya
Expansion termal
ora Sumadhiya
35.00 μm / (m · K)
8
enthalpy
Enthalpy panguapan
ora Sumadhiya
143.50 kJ / mol
99+
Enthalpy saka Fusion
3.20 kJ / mol
99+
9.21 kJ / mol
37
Enthalpy saka atomization
ora Sumadhiya
180.00 kJ / mol
99+
Standard molar Entropy
ora Sumadhiya
77.80 J / mol.K
4
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