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Protaktinium


Tabel périodik
Symbol
Pa
Panggil Group
3 15
Panggil periode
7 1
Block
pemblokiran f
Family unsur
actinide
CAS Number
7440133 66
Jeneng papan Group
I4 / mmm
Space Group Number
139.00 11
facts
Facts Interesting
  • metal Protaktinium wis 29 isotop.
  • Isotop saka Protaktinium-231 digunakake ing gegaman nuklir.
sumber
Found in Ores Uranium, Mining, Ores logam
History
sing katutup
William Crookes
Discovery
ing taun 1900
turah mbrawah
Turah mbrawah Ing Universe
0.00 % 17
Turah mbrawah Ing Sun
0.00 % 26
Turah mbrawah Ing meteorit
-
Turah mbrawah Ing bumi lemah ndhuwur
0.00 % 57
Turah mbrawah Ing Segara
0.00 % 47
Turah mbrawah Ing Manungsa
0.00 % 24
ulah
Ulah lan Wuku
  • Efesus saiki dikenal saka logam Protaktinium sing winates kanggo riset waé mung.
Ulah Industrial
-
Ulah Medical
-
Ulah liyane
-
Properties biologi
keracunan
Highly Toxic
Saiki ing badan Human
Ora
Sang
0.00 Sang / mg dm-3 40
ing Bone
0.00 ppm 41
fisik
leleh Point
1,568.00 ° C 21
Boiling Point
4,027.00 ° C 12
katon
State fisik
Solid
warna
Silver
luster
metallic
atose
Mohs atose
5.00 8
Brinell atose
125.00 MPa 58
Vickers atose
220.00 MPa 50
Kacepetan swara
12,400.00 m / s 3
Properties Optical
bias Index
1.60 33
reflectivity
60.00 % 23
allotropes
Ora
α allotropes
-
β allotropes
-
γ allotropes
-
Kimia
Formula Kimia
Pa
isotop
Isotop dikenal
27 12
keelektronegatifan
Pauling Elektronegativitas
1.50 28
Sanderson Elektronegativitas
1.50 18
Allred Rochow Elektronegativitas
1.14 29
Mulliken-Jaffe Elektronegativitas
1.50 26
Allen Elektronegativitas
1.50 32
Electropositivity
Pauling Electropositivity
2.50 27
tenogo ionisasi
Level Energy 1st
568.00 kJ / mol 68
Level Energy 2
1,128.00 kJ / mol 73
Level Energy 3rd
1,814.00 kJ / mol 85
Level Energy 4
2,991.00 kJ / mol 76
Level Energy 5th
5,120.00 kJ / mol 71
Level Energy 6th
5,680.00 kJ / mol 74
tingkat Energy 7
5,680.00 kJ / mol 65
Level Energy 8
5,680.00 kJ / mol 63
Level Energy 9
5,120.00 kJ / mol 75
Level Energy 10th
5,120.00 kJ / mol 72
Level Energy 11
5,680.00 kJ / mol 66
Level Energy 12
5,680.00 kJ / mol 68
Level Energy 13
5,680.00 kJ / mol 57
Level Energy 14
5,680.00 kJ / mol 45
Level Energy 15
56,800.00 kJ / mol 57
Level Energy 16
56,800.00 kJ / mol 45
Level Energy 17
568.50 kJ / mol 71
Level Energy 18
5,680.00 kJ / mol 59
Level Energy 19
568.30 kJ / mol 69
Level Energy 20
568.00 kJ / mol 63
Level Energy 21
568.00 kJ / mol 73
Level Energy 22
568.00 kJ / mol 58
Level Energy 23rd
568.00 kJ / mol 73
Level Energy 24
568.00 kJ / mol 60
Level Energy 25th
568.00 kJ / mol 60
Level Energy 26th
568.00 kJ / mol 67
Level Energy 27th
568.00 kJ / mol 63
Level Energy 28th
568.00 kJ / mol 67
Level Energy 29
568.00 kJ / mol 69
Level Energy 30
568.00 kJ / mol 64
padha karo elektrokimia
1.72 g / amp-day 47
Fungsi Work elektron
5.89 eV 3
Properties Kimia liyane
ionisasi, Isotop radioaktif, Radioaktif
atom
Panggil atom
91 27
Konfigurasi elektron
[Rn] 5F 2 6D 1 7s 2
Struktur Crystal
Tetragonal (TETR)
Crystal pola
TETR-Crystal-Structure-of-Protactinium.jpg#100
atom
Jumlah proton
91 27
Jumlah Neutron
122 22
Jumlah Èlèktron
91 27
Radius saka Atom
Radius atom
163.00 pm 27
kovalen Radius
200.00 pm 11
Van der Waals Radius
243.00 pm 15
Bobot atom
231.04 Amu 24
Volume atom
15.00 cm3 / mol 50
Nomer atom jejer
unsur Previous
16
Sabanjure unsur
15
Potensi Valence Electron
92.00 (-eV) 11
Constant pola
392.50 pm 26
pola Angles
π/2, π/2, π/2
Pola C / A rasio
1.58 36
Teknik
Kapadhetan
Kapadhetan Ing suhu kamar
15.37 g / cm 3 20
Kapadhetan Nalika Liquid (ing mp)
15.37 g / cm3 21
Strength tensile
80.00 MPa 29
viskositas
0.00 25
meksa beluk
Meksa beluk ing 1000 K
0.00 (Pa) 37
Meksa beluk ing 2000 K
0.00 (Pa) 32
situs kelenturan
nyukur pengaturan
16.00 GPA 49
pengaturan akeh
47.00 GPA 26
Young kang pengaturan
47.00 GPA 41
Poisson rasio
0.23 30
Properties Teknik liyane
-
Magnetic
Ciri Magnetic
Gravitasi tartamtu
15.37 23
Nindakake Magnetic
paramagnetic
permeabilitas
0.00 H / m 10
kelemahan
0.00 21
Properties Listrik
Property Listrik
Arman
resistivity
177.00 nΩ · m 21
konduktivitas listrik
0.05 10 6 / cm Ω 39
elektron Affinity
53.03 kJ / mol 22
termal
Kalor tartamtu
0.12 J / (kg K) 42
Graham Kapasitas kalor
27.20 J / mol · K 24
doyo termal
47.00 W / m · K 32
suhu kritis
1,841.00 K 25
Expansion termal
9.90 μm / (m · K) 53
enthalpy
Enthalpy panguapan
481.00 kJ / mol 17
Enthalpy saka Fusion
12.34 kJ / mol 34
Enthalpy saka atomization
481.90 kJ / mol 19
Standard molar Entropy
198.10 J / mol.K 1
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