mbandhingaké neptunium lan sesium
Tabel périodik
Symbol
Np
Cs
Panggil Group
ora Sumadhiya
1
17
Panggil periode
7
6
Block
pemblokiran f
s pemblokiran
Family unsur
actinide
alkali
CAS Number
7439998
99+
7440462
40
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
bumi lemah ndhuwur, Found in Minerals, Mining, Ores saka Minerals
History
sing katutup
Edwin McMillan and Philip H. Abelson
Robert Bunsen and Gustav Kirchhoff
Discovery
ing taun 1940
ing taun 1860
turah mbrawah
Turah mbrawah Ing Universe
ora Sumadhiya
8 * 10-8 %
24
Turah mbrawah Ing Sun
~-9999 %
~0.0000008 %
20
Turah mbrawah Ing meteorit
ora Sumadhiya
0.00 %
38
Turah mbrawah Ing bumi lemah ndhuwur
ora Sumadhiya
0.00 %
35
Turah mbrawah Ing Segara
ora Sumadhiya
0.00 %
17
Turah mbrawah Ing Manungsa
ora Sumadhiya
0.00 %
17
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.
- nggunakake paling umum saka logam Sesium yaiku adi ngebur. Sampeyan uga dipigunakaké ing Manufaktur kaca optik.
- Ing tabung vakum lan peralatan monitor radiation logam iki digunakake minangka katalis tukang promosi.
Ulah Industrial
NA
Industry Aerospace, Industry automobile, Industry Listrik, Industry Elektronik
Ulah Medical
NA
NA
Ulah liyane
wesi, Nuclear Riset, tujuan Research
wesi
Properties biologi
keracunan
Toxic
mildly Toxic
Saiki ing badan Human
Ora
Ya
Sang
0.00 Sang / mg dm-3
37
0.00 Sang / mg dm-3
28
ing Bone
0.00 ppm
36
0.05 ppm
26
fisik Properties
leleh Point
640.00 ° C
99+
28.50 ° C
99+
Boiling Point
3,902.00 ° C
13
678.40 ° C
99+
katon
State fisik
Solid
Solid
warna
Silver
Gold perak
luster
metallic
NA
atose
Mohs atose
ora Sumadhiya
0.20
25
Brinell atose
ora Sumadhiya
0.14 MPa
99+
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
Cs
isotop
Isotop dikenal
20
19
36
3
keelektronegatifan
Pauling Elektronegativitas
1.36
29
0.79
99+
Sanderson Elektronegativitas
ora Sumadhiya
0.22
33
Allred Rochow Elektronegativitas
1.22
26
0.86
99+
Mulliken-Jaffe Elektronegativitas
ora Sumadhiya
0.62
26
Allen Elektronegativitas
ora Sumadhiya
0.66
99+
Electropositivity
Pauling Electropositivity
2.64
25
3.21
2
tenogo ionisasi
Level Energy 1st
604.50 kJ / mol
99+
375.70 kJ / mol
99+
Level Energy 2
1,128.00 kJ / mol
99+
2,234.30 kJ / mol
8
Level Energy 3rd
1,997.00 kJ / mol
99+
3,400.00 kJ / mol
16
Level Energy 4
3,242.00 kJ / mol
99+
ora Sumadhiya
padha karo elektrokimia
1.77 g / amp-day
39
4.96 g / amp-day
3
Fungsi Work elektron
ora Sumadhiya
2.14 eV
99+
Properties Kimia liyane
ionisasi, Isotop radioaktif, Radioaktif, kelarutan
Kimia Stabilitas, Corrosion, ionisasi, Isotop radioaktif, kelarutan
atom Properties
Panggil atom
93
25
55
99+
Konfigurasi elektron
[Rn] 5F 4 6D 1 7s 2
[Xe] 6s 1
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
55
99+
Jumlah Neutron
144
14
78
99+
Jumlah Èlèktron
93
25
55
99+
Radius saka Atom
Radius atom
155.00 pm
30
265.00 pm
1
kovalen Radius
190.00 pm
18
244.00 pm
2
Van der Waals Radius
221.00 pm
22
343.00 pm
2
Bobot atom
237.00 Amu
22
132.91 Amu
99+
Volume atom
11.62 cm3 / mol
99+
71.07 cm3 / mol
1
Nomer atom jejer
Potensi Valence Electron
96.00 (-eV)
9
8.62 (-eV)
99+
Constant pola
666.30 pm
3
614.10 pm
5
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
1.93 g / cm 3
99+
Kapadhetan Nalika Liquid (ing mp)
ora Sumadhiya
1.84 g / cm3
99+
Strength tensile
125.00 MPa
14
ora Sumadhiya
viskositas
ora Sumadhiya
ora Sumadhiya
meksa beluk
Meksa beluk ing 2000 K
0.11 (Pa)
17
ora Sumadhiya
situs kelenturan
pengaturan akeh
ora Sumadhiya
1.60 GPA
99+
Young kang pengaturan
ora Sumadhiya
1.70 GPA
99+
Poisson rasio
ora Sumadhiya
ora Sumadhiya
Properties Teknik liyane
ductile
ductile
Magnetic Properties
Ciri Magnetic
Gravitasi tartamtu
20.25
6
1.87
99+
Nindakake Magnetic
paramagnetic
paramagnetic
Properties Listrik
Property Listrik
Arman
Semiconductor
resistivity
1.22 nΩ · m
99+
205.00 nΩ · m
17
konduktivitas listrik
0.01 10 6 / cm Ω
99+
0.05 10 6 / cm Ω
35
elektron Affinity
ora Sumadhiya
45.50 kJ / mol
25
termal Properties
Kalor tartamtu
0.12 J / (kg K)
40
0.24 J / (kg K)
23
Graham Kapasitas kalor
29.46 J / mol · K
8
32.21 J / mol · K
4
doyo termal
6.30 W / m · K
99+
35.90 W / m · K
36
suhu kritis
ora Sumadhiya
1,938.00 K
5
Expansion termal
ora Sumadhiya
97.00 μm / (m · K)
1
enthalpy
Enthalpy panguapan
ora Sumadhiya
65.90 kJ / mol
99+
Enthalpy saka Fusion
3.20 kJ / mol
99+
2.10 kJ / mol
99+
Enthalpy saka atomization
ora Sumadhiya
78.20 kJ / mol
99+
Standard molar Entropy
ora Sumadhiya
85.20 J / mol.K
3
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