Protaktinium mungsuh prometium
Tabel périodik
Symbol
Pa
Pm
Panggil Group
ora Sumadhiya
ora Sumadhiya
Panggil periode
7
6
Block
pemblokiran f
pemblokiran f
Family unsur
actinide
lanthanide
CAS Number
7440133
99+
7440122
99+
Jeneng papan Group
I4 / mmm
ora Sumadhiya
Space Group Number
139.00
8
ora Sumadhiya
facts
Facts Interesting
- metal Protaktinium wis 29 isotop.
- Isotop saka Protaktinium-231 digunakake ing gegaman nuklir.
- metal Prometium ditemokaké ing pitchblende.
- Prometium logam logam Highly radioaktif.
sumber
Found in Ores Uranium, Mining, Ores logam
Found in Minerals, Mining
History
sing katutup
William Crookes
Chien Shiung Wu, Emilio Segrè, Hans Bethe
Discovery
ing taun 1900
ing taun 1942
turah mbrawah
Turah mbrawah Ing bumi lemah ndhuwur
0.00 %
99+
ora Sumadhiya
Turah mbrawah Ing Segara
0.00 %
99+
ora Sumadhiya
ulah
Ulah lan Wuku
- Efesus saiki dikenal saka logam Protaktinium sing winates kanggo riset waé mung.
- Kang digunakake kanggo riset waé. jumlah cilik saka logam digunakake ing batre atom.
- bosok radioaktif sawijining digunakake kanggo Phosphor kanggo menehi mati lampu. Lampu cemlorot diowahi dadi listrik.
Ulah Industrial
NA
NA
Ulah Medical
NA
NA
Ulah liyane
NA
NA
Properties biologi
keracunan
Highly Toxic
non 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
ora Sumadhiya
fisik Properties
leleh Point
1,568.00 ° C
21
1,042.00 ° C
99+
Boiling Point
4,027.00 ° C
12
3,000.00 ° C
31
katon
State fisik
Solid
Solid
warna
Silver
Unknown
luster
metallic
metallic
atose
Kacepetan swara
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Properties Optical
allotropes
Ora
Ora
α allotropes
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ora Sumadhiya
β allotropes
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γ allotropes
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Kimia Properties
Formula Kimia
Pa
Pm
isotop
Isotop dikenal
27
12
27
12
keelektronegatifan
Pauling Elektronegativitas
1.50
27
ora Sumadhiya
Allred Rochow Elektronegativitas
1.14
28
1.07
32
Electropositivity
Pauling Electropositivity
2.50
27
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tenogo ionisasi
Level Energy 1st
568.00 kJ / mol
99+
540.00 kJ / mol
99+
Level Energy 2
1,128.00 kJ / mol
99+
1,050.00 kJ / mol
99+
Level Energy 3rd
1,814.00 kJ / mol
99+
2,150.00 kJ / mol
99+
Level Energy 4
2,991.00 kJ / mol
99+
3,970.00 kJ / mol
38
padha karo elektrokimia
1.72 g / amp-day
99+
1.80 g / amp-day
36
Fungsi Work elektron
ora Sumadhiya
ora Sumadhiya
Properties Kimia liyane
ionisasi, Isotop radioaktif, Radioaktif
ionisasi, Isotop radioaktif, kelarutan
atom Properties
Panggil atom
91
27
61
99+
Konfigurasi elektron
[Rn] 5F 2 6D 1 7s 2
[Xe] 4F 5 6s 2
Struktur Crystal
Tetragonal (TETR)
Double Hexagonal Tutup dikempalken (DHCP)
Crystal pola
TETR-Crystal-Structure-of-Protactinium.jpg#100
DHCP-Crystal-Structure-of-Promethium.jpg#100
atom
Jumlah proton
91
27
61
99+
Jumlah Neutron
122
21
84
40
Jumlah Èlèktron
91
27
61
99+
Radius saka Atom
Radius atom
163.00 pm
25
183.00 pm
10
kovalen Radius
200.00 pm
11
199.00 pm
12
Van der Waals Radius
243.00 pm
11
236.00 pm
16
Bobot atom
231.04 Amu
24
145.00 Amu
99+
Volume atom
15.00 cm3 / mol
34
22.39 cm3 / mol
12
Nomer atom jejer
Potensi Valence Electron
92.00 (-eV)
11
44.10 (-eV)
39
Constant pola
392.50 pm
23
ora Sumadhiya
pola Angles
π/2, π/2, π/2
Unknown
Pola C / A rasio
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Teknik Properties
Kapadhetan
Kapadhetan Ing suhu kamar
15.37 g / cm 3
20
7.26 g / cm 3
99+
Strength tensile
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viskositas
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meksa beluk
situs kelenturan
nyukur pengaturan
ora Sumadhiya
18.00 GPA
36
pengaturan akeh
ora Sumadhiya
33.00 GPA
36
Young kang pengaturan
ora Sumadhiya
46.00 GPA
38
Poisson rasio
ora Sumadhiya
0.28
17
Properties Teknik liyane
Unknown
NA
Magnetic Properties
Ciri Magnetic
Gravitasi tartamtu
15.37
12
7.26
99+
Nindakake Magnetic
paramagnetic
paramagnetic
Properties Listrik
Property Listrik
Arman
Arman
resistivity
177.00 nΩ · m
21
0.75 nΩ · m
99+
konduktivitas listrik
0.05 10 6 / cm Ω
34
ora Sumadhiya
elektron Affinity
ora Sumadhiya
50.00 kJ / mol
21
termal Properties
Kalor tartamtu
0.12 J / (kg K)
40
0.18 J / (kg K)
33
Graham Kapasitas kalor
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doyo termal
47.00 W / m · K
32
17.90 W / m · K
99+
suhu kritis
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Expansion termal
9.90 μm / (m · K)
40
9.00 μm / (m · K)
99+
enthalpy
Enthalpy saka Fusion
12.34 kJ / mol
28
7.50 kJ / mol
99+
Enthalpy saka atomization
ora Sumadhiya
310.00 kJ / mol
34
Standard molar Entropy
198.10 J / mol.K
1
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