Symbol
Pa
Ba
Panggil Group
32
0
17
👆🏻
Panggil periode
76
2
7
👆🏻
Block
pemblokiran f
s pemblokiran
Family unsur
actinide
alkalin bumi
CAS Number
74401337440393
7429905
54386242
👆🏻
Jeneng papan Group
I4 / mmm
3M Im_
Space Group Number
139.00229.00
11
276
👆🏻
Facts Interesting
- metal Protaktinium wis 29 isotop.
- Isotop saka Protaktinium-231 digunakake ing gegaman nuklir.
- Barium gampang ngoksidasi ing udara.
- Kabeh senyawa beracun saka Barium bisa gampang larut ing banyu.
- Barium karbonat digunakake kanggo ngasilake racun tikus lan senyawa liyane Barium nitrat digunakake ing kembang api kanggo ngasilake werna ijo.
sumber
Found in Ores Uranium, Mining, Ores logam
bumi lemah ndhuwur, Found in Minerals, Mining, Ores saka Minerals
History
sing katutup
William Crookes
Carl Wilhelm Scheele
Discovery
ing taun 1900
ing taun 1772
turah mbrawah
Turah mbrawah Ing Universe
0.00 %0.00 %
0
0.11
👆🏻
Turah mbrawah Ing Sun
0.00 %0.00 %
0
0.1
👆🏻
Turah mbrawah Ing meteorit
-0.00 %
0
22
👆🏻
Turah mbrawah Ing bumi lemah ndhuwur
0.00 %0.03 %
1E-37
8.1
👆🏻
Turah mbrawah Ing Segara
0.00 %0.00 %
0
1.1
👆🏻
Turah mbrawah Ing Manungsa
0.00 %0.00 %
0
1.4
👆🏻
Ulah lan Wuku
- Efesus saiki dikenal saka logam Protaktinium sing winates kanggo riset waé mung.
- Punika digugat ing Manufaktur Paint kimia lan Manufaktur kaca.
- Senyawa saka logam beracun; nanging isih barium sulfat punika insoluble lan diwenehi kanggo patients gerah saka kelainan pencernaan.
Ulah Industrial
-
Industry amunisi, Industry automobile, Industry Listrik, Industry Elektronik
Ulah Medical
-
-
Ulah liyane
-
wesi
Properties biologi
keracunan
Highly Toxic
Low Toxic
Saiki ing badan Human
Ora
Ya
Sang
0.00 Sang / mg dm-30.07 Sang / mg dm-3
0
1970
👆🏻
ing Bone
0.00 ppm70.00 ppm
0
170000
👆🏻
leleh Point
1,568.00 ° C725.00 ° C
-38.83
3410
👆🏻
Boiling Point
4,027.00 ° C1,140.00 ° C
0
5660
👆🏻
katon
State fisik
Solid
Solid
warna
Silver
perak Gray
luster
metallic
-
atose
Mohs atose
5.001.25
0.2
8.5
👆🏻
Brinell atose
125.00 MPa130.00 MPa
0.14
3490
👆🏻
Vickers atose
220.00 MPa210.00 MPa
0
3920
👆🏻
Kacepetan swara
12,400.00 m / s1,620.00 m / s
818
16200
👆🏻
Properties Optical
bias Index
1.601.47
0.155
3.41
👆🏻
reflectivity
60.00 %65.00 %
5
97
👆🏻
allotropes
Ora
Ora
α allotropes
-
-
β allotropes
-
-
γ allotropes
-
-
Formula Kimia
Pa
Ba
isotop
Isotop dikenal
2737
0
38
👆🏻
keelektronegatifan
Pauling Elektronegativitas
1.500.89
0
2.6
👆🏻
Sanderson Elektronegativitas
1.500.68
0.22
2.56
👆🏻
Allred Rochow Elektronegativitas
1.140.97
0.86
1.9
👆🏻
Mulliken-Jaffe Elektronegativitas
1.500.88
0.62
2.48
👆🏻
Allen Elektronegativitas
1.500.88
0.659
2.7
👆🏻
Electropositivity
Pauling Electropositivity
2.503.11
1.46
3.3
👆🏻
tenogo ionisasi
Level Energy 1st
568.00 kJ / mol502.90 kJ / mol
375.7
26130
👆🏻
Level Energy 2
1,128.00 kJ / mol965.20 kJ / mol
392.8
28750
👆🏻
Level Energy 3rd
1,814.00 kJ / mol3,600.00 kJ / mol
392.8
34230
👆🏻
Level Energy 4
2,991.00 kJ / mol502.90 kJ / mol
375.7
37066
👆🏻
Level Energy 5th
5,120.00 kJ / mol5,020.00 kJ / mol
392
97510
👆🏻
Level Energy 6th
5,680.00 kJ / mol5,020.00 kJ / mol
1007
105800
👆🏻
tingkat Energy 7
5,680.00 kJ / mol5,020.00 kJ / mol
1007
114300
👆🏻
Level Energy 8
5,680.00 kJ / mol5,020.00 kJ / mol
730
125300
👆🏻
Level Energy 9
5,120.00 kJ / mol5,020.00 kJ / mol
1007
134700
👆🏻
Level Energy 10th
5,120.00 kJ / mol5,020.00 kJ / mol
392
144300
👆🏻
Level Energy 11
5,680.00 kJ / mol5,020.00 kJ / mol
392
169988
👆🏻
Level Energy 12
5,680.00 kJ / mol5,020.00 kJ / mol
0
189368
👆🏻
Level Energy 13
5,680.00 kJ / mol5,020.00 kJ / mol
1007
76015
👆🏻
Level Energy 14
5,680.00 kJ / mol5,020.00 kJ / mol
380
86450
👆🏻
Level Energy 15
56,800.00 kJ / mol50,200.00 kJ / mol
33000
100700
👆🏻
Level Energy 16
56,800.00 kJ / mol50,270.00 kJ / mol
375.7
109480
👆🏻
Level Energy 17
568.50 kJ / mol502.90 kJ / mol
375.7
122200
👆🏻
Level Energy 18
5,680.00 kJ / mol5,020.00 kJ / mol
0
134810
👆🏻
Level Energy 19
568.30 kJ / mol502.90 kJ / mol
375.7
148700
👆🏻
Level Energy 20
568.00 kJ / mol502.00 kJ / mol
0
171200
👆🏻
Level Energy 21
568.00 kJ / mol502.90 kJ / mol
375.7
179100
👆🏻
Level Energy 22
568.00 kJ / mol502.00 kJ / mol
330
184900
👆🏻
Level Energy 23rd
568.00 kJ / mol502.90 kJ / mol
357.6
198800
👆🏻
Level Energy 24
568.00 kJ / mol502.90 kJ / mol
297.3
195200
👆🏻
Level Energy 25th
568.00 kJ / mol503.00 kJ / mol
0
121900
👆🏻
Level Energy 26th
568.00 kJ / mol502.90 kJ / mol
357.6
127700
👆🏻
Level Energy 27th
568.00 kJ / mol502.90 kJ / mol
0
133800
👆🏻
Level Energy 28th
568.00 kJ / mol502.90 kJ / mol
297.3
139800
👆🏻
Level Energy 29
568.00 kJ / mol502.90 kJ / mol
0
148100
👆🏻
Level Energy 30
568.00 kJ / mol503.00 kJ / mol
0
154500
👆🏻
padha karo elektrokimia
1.72 g / amp-day2.56 g / amp-day
0.16812
8.3209
👆🏻
Fungsi Work elektron
5.89 eV2.70 eV
2.14
6
👆🏻
Properties Kimia liyane
ionisasi, Isotop radioaktif, Radioaktif
ionisasi, Isotop radioaktif, Radioaktif, kelarutan
Panggil atom
9156
3
117
👆🏻
Konfigurasi elektron
[Rn] 5F 2 6D 1 7s 2
[Xe] 6s 2
Struktur Crystal
Tetragonal (TETR)
Body tengah kubik (Bcc)
Crystal pola
atom
Jumlah proton
9156
3
117
👆🏻
Jumlah Neutron
12281
4
285
👆🏻
Jumlah Èlèktron
9156
3
117
👆🏻
Radius saka Atom
Radius atom
163.00 pm222.00 pm
0
348
👆🏻
kovalen Radius
200.00 pm215.00 pm
0
260
👆🏻
Van der Waals Radius
243.00 pm268.00 pm
0
348
👆🏻
Bobot atom
231.04 Amu137.33 Amu
6.94
294
👆🏻
Volume atom
15.00 cm3 / mol39.24 cm3 / mol
1.39
71.07
👆🏻
Nomer atom jejer
unsur Previous
Sabanjure unsur
Potensi Valence Electron
92.00 (-eV)21.30 (-eV)
0
392.42
👆🏻
Constant pola
392.50 pm502.80 pm
0
891.25
👆🏻
pola Angles
π/2, π/2, π/2
π/2, π/2, π/2
Pola C / A rasio
1.581.57
0.423
1.9
👆🏻
Kapadhetan
Kapadhetan Ing suhu kamar
15.37 g / cm 33.51 g / cm 3
0.534
40.7
👆🏻
Kapadhetan Nalika Liquid (ing mp)
15.37 g / cm33.34 g / cm3
0.512
41
👆🏻
Strength tensile
80.00 MPa55.00 MPa
0.1
11000
👆🏻
viskositas
0.000.00
1.5E-05
0.0035
👆🏻
meksa beluk
Meksa beluk ing 1000 K
0.00 (Pa)7.11 (Pa)
0
121
👆🏻
Meksa beluk ing 2000 K
0.00 (Pa)0.00 (Pa)
0
774
👆🏻
situs kelenturan
nyukur pengaturan
16.00 GPA4.90 GPA
1.3
222
👆🏻
pengaturan akeh
47.00 GPA9.60 GPA
0
462
👆🏻
Young kang pengaturan
47.00 GPA13.00 GPA
0
528
👆🏻
Poisson rasio
0.230.22
0.032
0.47
👆🏻
Properties Teknik liyane
-
-
Ciri Magnetic
Gravitasi tartamtu
15.373.62
0.53
4500
👆🏻
Nindakake Magnetic
paramagnetic
paramagnetic
permeabilitas
0.00 H / m0.00 H / m
1.25643E-06
0.0063
👆🏻
kelemahan
0.000.00
-0.000166
200000
👆🏻
Properties Listrik
Property Listrik
Arman
superconductor
resistivity
177.00 nΩ · m332.00 nΩ · m
0.1
961
👆🏻
konduktivitas listrik
0.05 10 6 / cm Ω0.03 10 6 / cm Ω
0
0.63
👆🏻
elektron Affinity
53.03 kJ / mol13.95 kJ / mol
0
222.8
👆🏻
Kalor tartamtu
0.12 J / (kg K)0.20 J / (kg K)
0.1
3.6
👆🏻
Graham Kapasitas kalor
27.20 J / mol · K28.07 J / mol · K
13.1
62.7
👆🏻
doyo termal
47.00 W / m · K18.40 W / m · K
0
429
👆🏻
suhu kritis
1,841.00 K1,000.00 K
26.3
3695
👆🏻
Expansion termal
9.90 μm / (m · K)20.60 μm / (m · K)
4.5
97
👆🏻
enthalpy
Enthalpy panguapan
481.00 kJ / mol140.00 kJ / mol
7.32
799.1
👆🏻
Enthalpy saka Fusion
12.34 kJ / mol7.66 kJ / mol
2.1
35.23
👆🏻
Enthalpy saka atomization
481.90 kJ / mol175.70 kJ / mol
61.5
837
👆🏻
Standard molar Entropy
198.10 J / mol.K62.50 J / mol.K
9.5
198.1
👆🏻