Protaktinium mungsuh Hafnium
Tabel périodik
Symbol
Pa
Hf
Panggil Group
ora Sumadhiya
4
14
Panggil periode
7
6
Block
pemblokiran f
d block
Family unsur
actinide
transisi Metal
CAS Number
7440133
99+
7440586
30
Jeneng papan Group
I4 / mmm
P63 / mmc
Space Group Number
139.00
8
194.00
5
facts
Facts Interesting
- metal Protaktinium wis 29 isotop.
- Isotop saka Protaktinium-231 digunakake ing gegaman nuklir.
- Hafnium logam reaktif, Empu ora ketemu gratis ing alam.
- metal Hafnium minangka predicated sawise Mendeleev rampung tabel périodik kang.
sumber
Found in Ores Uranium, Mining, Ores logam
Miturut-produk Nyaring panggolekan Zirconium
History
sing katutup
William Crookes
Dirk Coster and George de Hevesy
Discovery
ing taun 1900
ing taun 1922
turah mbrawah
Turah mbrawah Ing Universe
ora Sumadhiya
7 * 10-8 %
25
Turah mbrawah Ing Sun
~-9999 %
~0.0000001 %
26
Turah mbrawah Ing meteorit
ora Sumadhiya
0.00 %
37
Turah mbrawah Ing bumi lemah ndhuwur
0.00 %
99+
0.00 %
31
Turah mbrawah Ing Segara
0.00 %
99+
0.00 %
27
ulah
Ulah lan Wuku
- Efesus saiki dikenal saka logam Protaktinium sing winates kanggo riset waé mung.
Character length exceed error
Ulah Industrial
NA
Industry amunisi
Ulah Medical
NA
NA
Ulah liyane
NA
wesi, Ing Reactors Nuclear, Nuclear Riset, tujuan Research
Properties biologi
keracunan
Highly Toxic
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
1,568.00 ° C
21
2,150.00 ° C
10
Boiling Point
4,027.00 ° C
12
5,400.00 ° C
5
katon
State fisik
Solid
Solid
warna
Silver
Gray
luster
metallic
metallic
atose
Mohs atose
ora Sumadhiya
5.50
7
Brinell atose
ora Sumadhiya
1,450.00 MPa
6
Vickers atose
ora Sumadhiya
1,520.00 MPa
5
Kacepetan swara
ora Sumadhiya
3,010.00 m / s
27
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
Pa
Hf
isotop
Isotop dikenal
27
12
32
7
keelektronegatifan
Pauling Elektronegativitas
1.50
27
1.30
32
Allred Rochow Elektronegativitas
1.14
28
1.23
25
Allen Elektronegativitas
ora Sumadhiya
1.16
37
Electropositivity
Pauling Electropositivity
2.50
27
2.70
22
tenogo ionisasi
Level Energy 1st
568.00 kJ / mol
99+
658.50 kJ / mol
40
Level Energy 2
1,128.00 kJ / mol
99+
1,440.00 kJ / mol
99+
Level Energy 3rd
1,814.00 kJ / mol
99+
2,250.00 kJ / mol
99+
Level Energy 4
2,991.00 kJ / mol
99+
3,216.00 kJ / mol
99+
padha karo elektrokimia
1.72 g / amp-day
99+
1.66 g / amp-day
99+
Fungsi Work elektron
ora Sumadhiya
3.90 eV
27
Properties Kimia liyane
ionisasi, Isotop radioaktif, Radioaktif
anti Corrosion, ionisasi, Isotop radioaktif, kelarutan
atom Properties
Panggil atom
91
27
72
99+
Konfigurasi elektron
[Rn] 5F 2 6D 1 7s 2
[Xe] 4F 14 5d 2 6s 2
Struktur Crystal
Tetragonal (TETR)
Hexagonal Tutup dikempalken (HCP)
Crystal pola
TETR-Crystal-Structure-of-Protactinium.jpg#100
BCC-Crystal-Structure-.jpg#100
atom
Jumlah proton
91
27
72
99+
Jumlah Neutron
122
21
106
29
Jumlah Èlèktron
91
27
72
99+
Radius saka Atom
Radius atom
163.00 pm
25
159.00 pm
28
kovalen Radius
200.00 pm
11
175.00 pm
23
Van der Waals Radius
243.00 pm
11
200.00 pm
28
Bobot atom
231.04 Amu
24
178.49 Amu
39
Volume atom
15.00 cm3 / mol
34
13.60 cm3 / mol
38
Nomer atom jejer
Potensi Valence Electron
92.00 (-eV)
11
81.00 (-eV)
16
Constant pola
392.50 pm
23
319.64 pm
99+
pola Angles
π/2, π/2, π/2
π/2, π/2, 2 π/3
Pola C / A rasio
ora Sumadhiya
1.58
12
Teknik Properties
Kapadhetan
Kapadhetan Ing suhu kamar
15.37 g / cm 3
20
13.31 g / cm 3
26
Kapadhetan Nalika Liquid (ing mp)
ora Sumadhiya
12.00 g / cm3
12
Strength tensile
ora Sumadhiya
445.00 MPa
8
viskositas
ora Sumadhiya
ora Sumadhiya
meksa beluk
Meksa beluk ing 2000 K
ora Sumadhiya
0.00 (Pa)
24
situs kelenturan
nyukur pengaturan
ora Sumadhiya
30.00 GPA
23
pengaturan akeh
ora Sumadhiya
110.00 GPA
15
Young kang pengaturan
ora Sumadhiya
78.00 GPA
25
Poisson rasio
ora Sumadhiya
0.37
7
Properties Teknik liyane
Unknown
ductile, malleable
Magnetic Properties
Ciri Magnetic
Gravitasi tartamtu
15.37
12
13.31
18
Nindakake Magnetic
paramagnetic
paramagnetic
Properties Listrik
Property Listrik
Arman
Arman
resistivity
177.00 nΩ · m
21
331.00 nΩ · m
14
konduktivitas listrik
0.05 10 6 / cm Ω
34
0.03 10 6 / cm Ω
39
elektron Affinity
ora Sumadhiya
0.00 kJ / mol
40
termal Properties
Kalor tartamtu
0.12 J / (kg K)
40
0.14 J / (kg K)
37
Graham Kapasitas kalor
ora Sumadhiya
25.73 J / mol · K
36
doyo termal
47.00 W / m · K
32
23.00 W / m · K
99+
suhu kritis
ora Sumadhiya
ora Sumadhiya
Expansion termal
9.90 μm / (m · K)
40
5.90 μm / (m · K)
99+
enthalpy
Enthalpy panguapan
ora Sumadhiya
661.10 kJ / mol
5
Enthalpy saka Fusion
12.34 kJ / mol
28
25.10 kJ / mol
8
Enthalpy saka atomization
ora Sumadhiya
703.00 kJ / mol
5
Standard molar Entropy
198.10 J / mol.K
1
43.60 J / mol.K
34
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