1 Tabel périodik
1.1 Symbol
1.2 Panggil Group
1.3 Panggil periode
1.4 Block
1.5 Family unsur
lanthanide
transisi Metal
1.6 CAS Number
74401007440484
7429905
54386242
1.7 Jeneng papan Group
1.8 Space Group Number
2 facts
2.1 Facts Interesting
- Praseodymium logam sintetik diprodhuksi logam.
- Praseodymium digunakake minangka bahan bakar kanggo generator radioaktif.
Character length exceed error
2.2 sumber
Found in Minerals, Mining, Ores saka Minerals
Found in Senyawa, Mining, Ores saka Minerals
2.3 History
2.3.1 sing katutup
Not Available
Georg Brandt
2.3.2 Discovery
2.4 turah mbrawah
2.4.1 Turah mbrawah Ing Universe
2 * 10-7 %3 * 10-4 %
5E-09
0.11
2.4.2 Turah mbrawah Ing Sun
~0.0000001 %~0.0004 %
1E-08
0.1
2.4.3 Turah mbrawah Ing meteorit
2.4.4 Turah mbrawah Ing bumi lemah ndhuwur
2.4.5 Turah mbrawah Ing Segara
2.4.6 Turah mbrawah Ing Manungsa
ora Sumadhiya0.00 %
1E-13
1.4
3 ulah
3.1 Ulah lan Wuku
- Gunakake utama Praseodymium kalebu wesi. Praseodymium -Magnesium alloy digunakake ing mesin pesawat amarga kekuatan dhuwur.
- metal iki uga digunakake nalika nggawe wesi sembrani permanen.
- Sawijining wesi aluminium lan nikel sing digunakake kanggo nggawe wesi sembrani kuat.
- Sawetara wesi liyane ngetokne kekuatan-suhu dhuwur lan Empu padha digunakake ing Turbines saka Jet lan Gas engine.
3.1.1 Ulah Industrial
Industri Kimia
Industri Kimia, Industry Listrik, Industry Elektronik
3.1.2 Ulah Medical
NA
Industry Pharmaceutical
3.1.3 Ulah liyane
3.2 Properties biologi
3.2.1 keracunan
3.2.2 Saiki ing badan Human
3.2.3 Sang
ora Sumadhiya0.04 Sang / mg dm-3
0
1970
3.2.4 ing Bone
ora Sumadhiya0.04 ppm
0
170000
4 fisik
4.1 leleh Point
935.00 ° C1,495.00 ° C
27
3410
4.2 Boiling Point
3,130.00 ° C2,870.00 ° C
147
5660
4.3 katon
4.3.1 State fisik
4.3.2 warna
4.3.3 luster
4.4 atose
4.4.1 Mohs atose
ora Sumadhiya5.00
0.2
8.5
4.4.2 Brinell atose
481.00 MPa470.00 MPa
0.14
3490
4.4.3 Vickers atose
400.00 MPa1,043.00 MPa
121
3430
4.5 Kacepetan swara
2,280.00 m / s4,720.00 m / s
818
16200
4.6 Properties Optical
4.6.1 bias Index
ora Sumadhiyaora Sumadhiya
1.000933
1.7229
4.6.2 reflectivity
ora Sumadhiya67.00 %
58
97
4.7 allotropes
4.7.1 α allotropes
4.7.2 β allotropes
4.7.3 γ allotropes
ora Sumadhiya
ora Sumadhiya
5 Kimia
5.1 Formula Kimia
5.2 isotop
5.2.1 Isotop dikenal
5.3 keelektronegatifan
5.3.1 Pauling Elektronegativitas
5.3.2 Sanderson Elektronegativitas
ora Sumadhiya2.56
0.22
2.56
5.3.3 Allred Rochow Elektronegativitas
5.3.4 Mulliken-Jaffe Elektronegativitas
ora Sumadhiyaora Sumadhiya
0.62
2.48
5.3.5 Allen Elektronegativitas
ora Sumadhiya1.84
0.659
2.7
5.4 Electropositivity
5.4.1 Pauling Electropositivity
5.5 tenogo ionisasi
5.5.1 Level Energy 1st
527.00 kJ / mol760.40 kJ / mol
375.7
26130
5.5.2 Level Energy 2
1,020.00 kJ / mol1,648.00 kJ / mol
710.2162
28750
5.5.3 Level Energy 3rd
2,086.00 kJ / mol3,232.00 kJ / mol
1600
34230
5.5.4 Level Energy 4
3,761.00 kJ / mol4,950.00 kJ / mol
2780
37066
5.5.5 Level Energy 5th
5,551.00 kJ / mol7,670.00 kJ / mol
4305.2
97510
5.5.6 Level Energy 6th
ora Sumadhiya9,840.00 kJ / mol
5715.8
105800
5.5.7 tingkat Energy 7
ora Sumadhiya12,440.00 kJ / mol
7226.8
114300
5.5.8 Level Energy 8
ora Sumadhiya15,230.00 kJ / mol
8857.4
125300
5.5.9 Level Energy 9
ora Sumadhiya17,959.00 kJ / mol
14110
134700
5.5.10 Level Energy 10th
ora Sumadhiya26,570.00 kJ / mol
17100
144300
5.5.11 Level Energy 11
ora Sumadhiya29,400.00 kJ / mol
19900
169988
5.5.12 Level Energy 12
ora Sumadhiya32,400.00 kJ / mol
22219
189368
5.5.13 Level Energy 13
ora Sumadhiya36,600.00 kJ / mol
26930
76015
5.5.14 Level Energy 14
ora Sumadhiya39,700.00 kJ / mol
29196
86450
5.5.15 Level Energy 15
ora Sumadhiya42,800.00 kJ / mol
41987
97510
5.5.16 Level Energy 16
ora Sumadhiya49,396.00 kJ / mol
47206
109480
5.5.17 Level Energy 17
ora Sumadhiya52,737.00 kJ / mol
52737
122200
5.5.18 Level Energy 18
ora Sumadhiya134,810.00 kJ / mol
58570
134810
5.5.19 Level Energy 19
ora Sumadhiya145,170.00 kJ / mol
64702
148700
5.5.20 Level Energy 20
ora Sumadhiya154,700.00 kJ / mol
80400
171200
5.5.21 Level Energy 21
ora Sumadhiya167,400.00 kJ / mol
87000
179100
5.5.22 Level Energy 22
ora Sumadhiya178,100.00 kJ / mol
93400
184900
5.5.23 Level Energy 23rd
ora Sumadhiya189,300.00 kJ / mol
98420
198800
5.5.24 Level Energy 24
ora Sumadhiyaora Sumadhiya
104400
195200
5.5.25 Level Energy 25th
ora Sumadhiyaora Sumadhiya
121900
121900
5.5.26 Level Energy 26th
ora Sumadhiyaora Sumadhiya
127700
127700
5.5.27 Level Energy 27th
ora Sumadhiyaora Sumadhiya
133800
133800
5.5.28 Level Energy 28th
ora Sumadhiyaora Sumadhiya
139800
139800
5.5.29 Level Energy 29
ora Sumadhiyaora Sumadhiya
148100
148100
5.5.30 Level Energy 30
ora Sumadhiyaora Sumadhiya
154500
154500
5.6 padha karo elektrokimia
1.75 g / amp-day1.10 g / amp-day
0.16812
8.3209
5.7 Fungsi Work elektron
5.8 Properties Kimia liyane
anti Corrosion, ionisasi, Isotop radioaktif
Kimia Stabilitas, ionisasi
6 atom
6.1 Panggil atom
6.2 Konfigurasi elektron
[Xe] 4F 3 6s 2
[Ar] 3d 2 4s 2
6.3 Struktur Crystal
Hexagonal Tutup dikempalken (HCP)
Hexagonal Tutup dikempalken (HCP)
6.3.1 Crystal pola
6.4 atom
6.4.1 Jumlah proton
6.4.2 Jumlah Neutron
6.4.3 Jumlah Èlèktron
6.5 Radius saka Atom
6.5.1 Radius atom
182.00 pm147.00 pm
112
265
6.5.2 kovalen Radius
203.00 pm160.00 pm
96
260
6.5.3 Van der Waals Radius
239.00 pm200.00 pm
139
348
6.6 Bobot atom
140.91 Amu47.87 Amu
6.94
294
6.7 Volume atom
20.80 cm3 / mol10.64 cm3 / mol
1.39
71.07
6.8 Nomer atom jejer
6.8.1 unsur Previous
6.8.2 Sabanjure unsur
6.9 Potensi Valence Electron
42.64 (-eV)95.20 (-eV)
8
392.42
6.10 Constant pola
367.25 pm295.08 pm
228.58
891.25
6.11 pola Angles
π/2, π/2, 2 π/3
π/2, π/2, 2 π/3
6.12 Pola C / A rasio
1.61ora Sumadhiya
1.567
1.886
7 Teknik
7.1 Kapadhetan
7.1.1 Kapadhetan Ing suhu kamar
6.77 g / cm 34.51 g / cm 3
0.534
40.7
7.1.2 Kapadhetan Nalika Liquid (ing mp)
6.50 g / cm34.11 g / cm3
0.512
20
7.2 Strength tensile
ora Sumadhiya434.00 MPa
2.5
11000
7.3 viskositas
ora Sumadhiyaora Sumadhiya
0.001526
0.001526
7.4 meksa beluk
7.4.1 Meksa beluk ing 1000 K
0.00 (Pa)ora Sumadhiya
2.47E-11
121
7.4.2 Meksa beluk ing 2000 K
13.20 (Pa)0.98 (Pa)
2.62E-10
774
7.5 situs kelenturan
7.5.1 nyukur pengaturan
14.80 GPA44.00 GPA
1.3
222
7.5.2 pengaturan akeh
28.80 GPA110.00 GPA
1.6
462
7.5.3 Young kang pengaturan
37.30 GPA116.00 GPA
1.7
528
7.6 Poisson rasio
7.7 Properties Teknik liyane
ductile, malleable
ductile
8 Magnetic
8.1 Ciri Magnetic
8.1.1 Gravitasi tartamtu
8.1.2 Nindakake Magnetic
paramagnetic
paramagnetic
8.1.3 permeabilitas
ora Sumadhiyaora Sumadhiya
1.25643E-06
0.0063
8.1.4 kelemahan
ora Sumadhiyaora Sumadhiya
-0.000166
200000
8.2 Properties Listrik
8.2.1 Property Listrik
8.2.2 resistivity
0.70 nΩ · m420.00 nΩ · m
0.18
961
8.2.3 konduktivitas listrik
0.01 10 6 / cm Ω0.02 10 6 / cm Ω
0.00666
0.63
8.2.4 elektron Affinity
50.00 kJ / mol7.60 kJ / mol
0
222.8
9 termal
9.1 Kalor tartamtu
0.19 J / (kg K)0.52 J / (kg K)
0.11
3.6
9.2 Graham Kapasitas kalor
27.20 J / mol · K25.06 J / mol · K
16.443
62.7
9.3 doyo termal
12.50 W / m · K21.90 W / m · K
6.3
429
9.4 suhu kritis
ora Sumadhiyaora Sumadhiya
26.3
3223
9.5 Expansion termal
6.70 μm / (m · K)8.60 μm / (m · K)
4.5
97
9.6 enthalpy
9.6.1 Enthalpy panguapan
296.80 kJ / mol429.00 kJ / mol
7.32
799.1
9.6.2 Enthalpy saka Fusion
6.89 kJ / mol15.48 kJ / mol
2.1
35.23
9.6.3 Enthalpy saka atomization
368.00 kJ / mol468.60 kJ / mol
61.5
837
9.7 Standard molar Entropy
73.20 J / mol.K27.30 J / mol.K
9.5
198.1