neptunium mungsuh technetium
Tabel périodik
Symbol
Np
Tc
Panggil Group
ora Sumadhiya
7
11
Panggil periode
7
5
Block
pemblokiran f
d block
Family unsur
actinide
transisi Metal
CAS Number
7439998
99+
7440268
99+
Jeneng papan Group
Pnma
P63 / mmc
Space Group Number
62.00
11
194.00
5
facts
Facts Interesting
ora Cepak
- jeneng asli Technetium ana masurium.
- Ing wektu nemokaké iku ditemokaké ing sampel Molybdenum.
sumber
Digawe dening némbakaké Uranium karo Neutron, Ores logam
Digawe dening némbakaké Molybdenum karo deuterons
History
sing katutup
Edwin McMillan and Philip H. Abelson
Emilio Segrè and Carlo Perriero
Discovery
ing taun 1940
ing taun 1937
turah mbrawah
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.
- Technetium punika logam radioaktif lan Empu iku digunakake kanggo pasinaon medical lan risèt liyane.
Ulah Industrial
NA
NA
Ulah Medical
NA
NA
Ulah liyane
wesi, Nuclear Riset, tujuan Research
wesi, Nuclear Riset, tujuan Research
Properties biologi
keracunan
Toxic
Low Toxic
Saiki ing badan Human
Ora
Ora
Sang
0.00 Sang / mg dm-3
37
0.00 Sang / mg dm-3
37
ing Bone
0.00 ppm
36
0.00 ppm
36
fisik Properties
leleh Point
640.00 ° C
99+
2,200.00 ° C
9
Boiling Point
3,902.00 ° C
13
4,877.00 ° C
7
katon
State fisik
Solid
Solid
warna
Silver
Shiny Gray
luster
metallic
NA
atose
Kacepetan swara
ora Sumadhiya
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
ora Sumadhiya
Kimia Properties
Formula Kimia
Np
Tc
isotop
Isotop dikenal
20
19
18
21
keelektronegatifan
Pauling Elektronegativitas
1.36
29
1.90
11
Allred Rochow Elektronegativitas
1.22
26
1.36
20
Allen Elektronegativitas
ora Sumadhiya
1.51
28
Electropositivity
Pauling Electropositivity
2.64
25
2.10
99+
tenogo ionisasi
Level Energy 1st
604.50 kJ / mol
99+
702.00 kJ / mol
36
Level Energy 2
1,128.00 kJ / mol
99+
1,470.00 kJ / mol
99+
Level Energy 3rd
1,997.00 kJ / mol
99+
2,850.00 kJ / mol
33
Level Energy 4
3,242.00 kJ / mol
99+
ora Sumadhiya
padha karo elektrokimia
1.77 g / amp-day
39
0.52 g / amp-day
99+
Fungsi Work elektron
ora Sumadhiya
ora Sumadhiya
Properties Kimia liyane
ionisasi, Isotop radioaktif, Radioaktif, kelarutan
anti Corrosion, ionisasi, Isotop radioaktif, Radioaktif, kelarutan
atom Properties
Panggil atom
93
25
43
99+
Konfigurasi elektron
[Rn] 5F 4 6D 1 7s 2
[Kr] 4d 5 5S 2
Struktur Crystal
Orthorhombic (Orth)
Hexagonal Tutup dikempalken (HCP)
Crystal pola
ORTH-Crystal-Structure-of-Neptunium.jpg#100
HCP-Crystal-Structure-of-Technetium.jpg#100
atom
Jumlah proton
93
25
43
99+
Jumlah Neutron
144
14
55
99+
Jumlah Èlèktron
93
25
43
99+
Radius saka Atom
Radius atom
155.00 pm
30
136.00 pm
99+
kovalen Radius
190.00 pm
18
147.00 pm
37
Van der Waals Radius
221.00 pm
22
200.00 pm
28
Bobot atom
237.00 Amu
22
98.00 Amu
99+
Volume atom
11.62 cm3 / mol
99+
8.50 cm3 / mol
99+
Nomer atom jejer
Potensi Valence Electron
96.00 (-eV)
9
180.00 (-eV)
3
Constant pola
666.30 pm
3
273.50 pm
99+
pola Angles
π/2, π/2, π/2
π/2, π/2, 2 π/3
Pola C / A rasio
ora Sumadhiya
1.60
5
Teknik Properties
Kapadhetan
Kapadhetan Ing suhu kamar
19.38 g / cm 3
14
11.00 g / cm 3
34
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
Poisson rasio
ora Sumadhiya
ora Sumadhiya
Properties Teknik liyane
ductile
NA
Magnetic Properties
Ciri Magnetic
Gravitasi tartamtu
20.25
6
11.50
24
Nindakake Magnetic
paramagnetic
paramagnetic
Properties Listrik
Property Listrik
Arman
Arman
resistivity
1.22 nΩ · m
99+
200.00 nΩ · m
18
konduktivitas listrik
0.01 10 6 / cm Ω
99+
0.07 10 6 / cm Ω
30
elektron Affinity
ora Sumadhiya
53.00 kJ / mol
18
termal Properties
Kalor tartamtu
0.12 J / (kg K)
40
0.21 J / (kg K)
29
Graham Kapasitas kalor
29.46 J / mol · K
8
24.27 J / mol · K
99+
doyo termal
6.30 W / m · K
99+
50.60 W / m · K
30
suhu kritis
ora Sumadhiya
ora Sumadhiya
Expansion termal
ora Sumadhiya
7.10 μm / (m · K)
99+
enthalpy
Enthalpy panguapan
ora Sumadhiya
660.00 kJ / mol
6
Enthalpy saka Fusion
3.20 kJ / mol
99+
23.01 kJ / mol
9
Enthalpy saka atomization
ora Sumadhiya
649.00 kJ / mol
8
Standard molar Entropy
ora Sumadhiya
181.10 J / mol.K
2
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