Hafnium mungsuh neptunium
Tabel périodik
Symbol
Hf
Np
Panggil Group
4
14
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Panggil periode
6
7
Block
d block
pemblokiran f
Family unsur
transisi Metal
actinide
CAS Number
7440586
30
7439998
99+
Jeneng papan Group
P63 / mmc
Pnma
Space Group Number
194.00
5
62.00
11
facts
Facts Interesting
- Hafnium logam reaktif, Empu ora ketemu gratis ing alam.
- metal Hafnium minangka predicated sawise Mendeleev rampung tabel périodik kang.
ora Cepak
sumber
Miturut-produk Nyaring panggolekan Zirconium
Digawe dening némbakaké Uranium karo Neutron, Ores logam
History
sing katutup
Dirk Coster and George de Hevesy
Edwin McMillan and Philip H. Abelson
Discovery
ing taun 1922
ing taun 1940
turah mbrawah
Turah mbrawah Ing Universe
7 * 10-8 %
25
ora Sumadhiya
Turah mbrawah Ing Sun
~0.0000001 %
26
~-9999 %
Turah mbrawah Ing meteorit
0.00 %
37
ora Sumadhiya
Turah mbrawah Ing bumi lemah ndhuwur
0.00 %
31
ora Sumadhiya
Turah mbrawah Ing Segara
0.00 %
27
ora Sumadhiya
ulah
Ulah lan Wuku
Character length exceed error
- Efesus saiki dikenal saka logam Neptunium sing winates kanggo riset waé mung.
- Neptunium kang isotop neptunium-237 digunakake minangka neutron detektor.
Ulah Industrial
Industry amunisi
NA
Ulah Medical
NA
NA
Ulah liyane
wesi, Ing Reactors Nuclear, Nuclear Riset, tujuan Research
wesi, Nuclear Riset, tujuan Research
Properties biologi
keracunan
Toxic
Toxic
Saiki ing badan Human
Ora
Ora
Sang
ora Sumadhiya
0.00 Sang / mg dm-3
37
ing Bone
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0.00 ppm
36
fisik Properties
leleh Point
2,150.00 ° C
10
640.00 ° C
99+
Boiling Point
5,400.00 ° C
5
3,902.00 ° C
13
katon
State fisik
Solid
Solid
warna
Gray
Silver
luster
metallic
metallic
atose
Mohs atose
5.50
7
ora Sumadhiya
Brinell atose
1,450.00 MPa
6
ora Sumadhiya
Vickers atose
1,520.00 MPa
5
ora Sumadhiya
Kacepetan swara
3,010.00 m / s
27
ora Sumadhiya
Properties Optical
allotropes
Ora
Ora
α allotropes
ora Sumadhiya
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β allotropes
ora Sumadhiya
ora Sumadhiya
γ allotropes
ora Sumadhiya
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Kimia Properties
Formula Kimia
Hf
Np
isotop
Isotop dikenal
32
7
20
19
keelektronegatifan
Pauling Elektronegativitas
1.30
32
1.36
29
Allred Rochow Elektronegativitas
1.23
25
1.22
26
Allen Elektronegativitas
1.16
37
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Electropositivity
Pauling Electropositivity
2.70
22
2.64
25
tenogo ionisasi
Level Energy 1st
658.50 kJ / mol
40
604.50 kJ / mol
99+
Level Energy 2
1,440.00 kJ / mol
99+
1,128.00 kJ / mol
99+
Level Energy 3rd
2,250.00 kJ / mol
99+
1,997.00 kJ / mol
99+
Level Energy 4
3,216.00 kJ / mol
99+
3,242.00 kJ / mol
99+
padha karo elektrokimia
1.66 g / amp-day
99+
1.77 g / amp-day
39
Fungsi Work elektron
3.90 eV
27
ora Sumadhiya
Properties Kimia liyane
anti Corrosion, ionisasi, Isotop radioaktif, kelarutan
ionisasi, Isotop radioaktif, Radioaktif, kelarutan
atom Properties
Panggil atom
72
99+
93
25
Konfigurasi elektron
[Xe] 4F 14 5d 2 6s 2
[Rn] 5F 4 6D 1 7s 2
Struktur Crystal
Hexagonal Tutup dikempalken (HCP)
Orthorhombic (Orth)
Crystal pola
BCC-Crystal-Structure-.jpg#100
ORTH-Crystal-Structure-of-Neptunium.jpg#100
atom
Jumlah proton
72
99+
93
25
Jumlah Neutron
106
29
144
14
Jumlah Èlèktron
72
99+
93
25
Radius saka Atom
Radius atom
159.00 pm
28
155.00 pm
30
kovalen Radius
175.00 pm
23
190.00 pm
18
Van der Waals Radius
200.00 pm
28
221.00 pm
22
Bobot atom
178.49 Amu
39
237.00 Amu
22
Volume atom
13.60 cm3 / mol
38
11.62 cm3 / mol
99+
Nomer atom jejer
Potensi Valence Electron
81.00 (-eV)
16
96.00 (-eV)
9
Constant pola
319.64 pm
99+
666.30 pm
3
pola Angles
π/2, π/2, 2 π/3
π/2, π/2, π/2
Pola C / A rasio
1.58
12
ora Sumadhiya
Teknik Properties
Kapadhetan
Kapadhetan Ing suhu kamar
13.31 g / cm 3
26
19.38 g / cm 3
14
Kapadhetan Nalika Liquid (ing mp)
12.00 g / cm3
12
ora Sumadhiya
Strength tensile
445.00 MPa
8
125.00 MPa
14
viskositas
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meksa beluk
Meksa beluk ing 2000 K
0.00 (Pa)
24
0.11 (Pa)
17
situs kelenturan
nyukur pengaturan
30.00 GPA
23
ora Sumadhiya
pengaturan akeh
110.00 GPA
15
ora Sumadhiya
Young kang pengaturan
78.00 GPA
25
ora Sumadhiya
Poisson rasio
0.37
7
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Properties Teknik liyane
ductile, malleable
ductile
Magnetic Properties
Ciri Magnetic
Gravitasi tartamtu
13.31
18
20.25
6
Nindakake Magnetic
paramagnetic
paramagnetic
Properties Listrik
Property Listrik
Arman
Arman
resistivity
331.00 nΩ · m
14
1.22 nΩ · m
99+
konduktivitas listrik
0.03 10 6 / cm Ω
39
0.01 10 6 / cm Ω
99+
elektron Affinity
0.00 kJ / mol
40
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termal Properties
Kalor tartamtu
0.14 J / (kg K)
37
0.12 J / (kg K)
40
Graham Kapasitas kalor
25.73 J / mol · K
36
29.46 J / mol · K
8
doyo termal
23.00 W / m · K
99+
6.30 W / m · K
99+
suhu kritis
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Expansion termal
5.90 μm / (m · K)
99+
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enthalpy
Enthalpy panguapan
661.10 kJ / mol
5
ora Sumadhiya
Enthalpy saka Fusion
25.10 kJ / mol
8
3.20 kJ / mol
99+
Enthalpy saka atomization
703.00 kJ / mol
5
ora Sumadhiya
Standard molar Entropy
43.60 J / mol.K
34
ora Sumadhiya
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