1 Tabel périodik
1.1 Symbol
1.2 Panggil Group
ora Sumadhiyaora Sumadhiya
0
17
1.5 Panggil periode
1.9 Block
pemblokiran f
pemblokiran f
1.10 Family unsur
1.11 CAS Number
74401007440531
7429905
54386242
2.2 Jeneng papan Group
2.3 Space Group Number
3 facts
3.1 Facts Interesting
- Praseodymium logam sintetik diprodhuksi logam.
- Praseodymium digunakake minangka bahan bakar kanggo generator radioaktif.
ora Cepak
3.2 sumber
Found in Minerals, Mining, Ores saka Minerals
Found in Minerals, Mining, Ores saka Minerals
3.3 History
3.3.1 sing katutup
Not Available
Eugène-Anatole Demarçay
3.3.2 Discovery
ing taun 1885
ing taun 1896
3.4 turah mbrawah
3.4.1 Turah mbrawah Ing Universe
2 * 10-7 %5 * 10-8 %
5E-09
0.11
3.6.2 Turah mbrawah Ing Sun
~0.0000001 %~0.00000005 %
1E-08
0.1
3.6.4 Turah mbrawah Ing meteorit
3.7.2 Turah mbrawah Ing bumi lemah ndhuwur
3.7.5 Turah mbrawah Ing Segara
3.8.1 Turah mbrawah Ing Manungsa
ora Sumadhiyaora Sumadhiya
1E-13
1.4
5 ulah
5.1 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.
- logam Europium utama Efesus ing printing saka dhuwit kertas Euro. cathetan iki cemlorot abang ing lampu UV.
- Kang digunakake ing bolam lampu kurang energi.
5.1.1 Ulah Industrial
Industri Kimia
Industri Kimia
5.1.2 Ulah Medical
5.1.3 Ulah liyane
5.2 Properties biologi
5.2.1 keracunan
5.2.2 Saiki ing badan Human
5.2.3 Sang
ora Sumadhiyaora Sumadhiya
0
1970
1.2.1 ing Bone
ora Sumadhiyaora Sumadhiya
0
170000
2 fisik
2.1 leleh Point
935.00 ° C822.00 ° C
27
3410
2.6 Boiling Point
3,130.00 ° C1,597.00 ° C
147
5660
2.9 katon
2.9.1 State fisik
2.9.2 warna
2.9.3 luster
2.10 atose
2.10.1 Mohs atose
ora Sumadhiyaora Sumadhiya
0.2
8.5
4.5.1 Brinell atose
481.00 MPaora Sumadhiya
0.14
3490
4.6.2 Vickers atose
400.00 MPa167.00 MPa
121
3430
4.8 Kacepetan swara
2,280.00 m / sora Sumadhiya
818
16200
4.11 Properties Optical
4.11.1 bias Index
ora Sumadhiyaora Sumadhiya
1.000933
1.7229
4.11.2 reflectivity
ora Sumadhiyaora Sumadhiya
58
97
4.12 allotropes
4.12.1 α allotropes
ora Sumadhiya
ora Sumadhiya
4.12.2 β allotropes
ora Sumadhiya
ora Sumadhiya
4.12.3 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
6.3.4 Sanderson Elektronegativitas
ora Sumadhiya1.01
0.22
2.56
7.1.1 Allred Rochow Elektronegativitas
1.07ora Sumadhiya
0.86
1.82
7.1.2 Mulliken-Jaffe Elektronegativitas
ora Sumadhiyaora Sumadhiya
0.62
2.48
7.2.1 Allen Elektronegativitas
ora Sumadhiyaora Sumadhiya
0.659
2.7
7.5 Electropositivity
7.5.1 Pauling Electropositivity
2.87ora Sumadhiya
1.46
3.3
7.6 tenogo ionisasi
7.6.1 Level Energy 1st
527.00 kJ / mol547.10 kJ / mol
375.7
26130
7.6.3 Level Energy 2
1,020.00 kJ / mol1,085.00 kJ / mol
710.2162
28750
7.6.4 Level Energy 3rd
2,086.00 kJ / mol2,404.00 kJ / mol
1600
34230
7.7.1 Level Energy 4
3,761.00 kJ / mol4,120.00 kJ / mol
2780
37066
7.8.3 Level Energy 5th
5,551.00 kJ / molora Sumadhiya
4305.2
97510
8.2.2 Level Energy 6th
ora Sumadhiyaora Sumadhiya
5715.8
105800
8.2.3 tingkat Energy 7
ora Sumadhiyaora Sumadhiya
7226.8
114300
8.3.2 Level Energy 8
ora Sumadhiyaora Sumadhiya
8857.4
125300
8.3.4 Level Energy 9
ora Sumadhiyaora Sumadhiya
14110
134700
8.3.6 Level Energy 10th
ora Sumadhiyaora Sumadhiya
17100
144300
8.3.8 Level Energy 11
ora Sumadhiyaora Sumadhiya
19900
169988
8.3.10 Level Energy 12
ora Sumadhiyaora Sumadhiya
22219
189368
8.4.2 Level Energy 13
ora Sumadhiyaora Sumadhiya
26930
76015
8.5.2 Level Energy 14
ora Sumadhiyaora Sumadhiya
29196
86450
8.5.4 Level Energy 15
ora Sumadhiyaora Sumadhiya
41987
97510
8.5.6 Level Energy 16
ora Sumadhiyaora Sumadhiya
47206
109480
8.5.8 Level Energy 17
ora Sumadhiyaora Sumadhiya
52737
122200
8.5.9 Level Energy 18
ora Sumadhiyaora Sumadhiya
58570
134810
1.2.2 Level Energy 19
ora Sumadhiyaora Sumadhiya
64702
148700
1.6.1 Level Energy 20
ora Sumadhiyaora Sumadhiya
80400
171200
1.6.3 Level Energy 21
ora Sumadhiyaora Sumadhiya
87000
179100
1.8.2 Level Energy 22
ora Sumadhiyaora Sumadhiya
93400
184900
1.8.4 Level Energy 23rd
ora Sumadhiyaora Sumadhiya
98420
198800
2.4.2 Level Energy 24
ora Sumadhiyaora Sumadhiya
104400
195200
1.2.3 Level Energy 25th
ora Sumadhiyaora Sumadhiya
121900
121900
1.3.3 Level Energy 26th
ora Sumadhiyaora Sumadhiya
127700
127700
1.3.5 Level Energy 27th
ora Sumadhiyaora Sumadhiya
133800
133800
1.6.2 Level Energy 28th
ora Sumadhiyaora Sumadhiya
139800
139800
1.8.1 Level Energy 29
ora Sumadhiyaora Sumadhiya
148100
148100
2.1.1 Level Energy 30
ora Sumadhiyaora Sumadhiya
154500
154500
3.3 padha karo elektrokimia
1.75 g / amp-day1.89 g / amp-day
0.16812
8.3209
3.4 Fungsi Work elektron
4.2 Properties Kimia liyane
anti Corrosion, ionisasi, Isotop radioaktif
ionisasi, Isotop radioaktif, kelarutan
5 atom
5.1 Panggil atom
5.5 Konfigurasi elektron
[Xe] 4F 3 6s 2
[Xe] 4F 7 6s 2
5.6 Struktur Crystal
Hexagonal Tutup dikempalken (HCP)
Body tengah kubik (Bcc)
5.6.1 Crystal pola
5.7 atom
5.7.1 Jumlah proton
6.2.5 Jumlah Neutron
7.1.1 Jumlah Èlèktron
7.4 Radius saka Atom
7.4.1 Radius atom
182.00 pm180.00 pm
112
265
7.7.3 kovalen Radius
203.00 pm198.00 pm
96
260
8.2.4 Van der Waals Radius
239.00 pm233.00 pm
139
348
8.4 Bobot atom
140.91 Amu151.96 Amu
6.94
294
8.6 Volume atom
20.80 cm3 / mol28.90 cm3 / mol
1.39
71.07
8.9 Nomer atom jejer
8.9.1 unsur Previous
8.9.2 Sabanjure unsur
8.10 Potensi Valence Electron
42.64 (-eV)45.60 (-eV)
8
392.42
9.3 Constant pola
367.25 pm458.10 pm
228.58
891.25
9.7 pola Angles
π/2, π/2, 2 π/3
π/2, π/2, π/2
10.2 Pola C / A rasio
1.61ora Sumadhiya
1.567
1.886
11 Teknik
11.1 Kapadhetan
11.1.1 Kapadhetan Ing suhu kamar
6.77 g / cm 35.26 g / cm 3
0.534
40.7
11.5.4 Kapadhetan Nalika Liquid (ing mp)
6.50 g / cm35.13 g / cm3
0.512
20
11.6 Strength tensile
ora Sumadhiya120.00 MPa
2.5
11000
11.7 viskositas
ora Sumadhiyaora Sumadhiya
0.001526
0.001526
11.9 meksa beluk
11.9.1 Meksa beluk ing 1000 K
0.00 (Pa)19.40 (Pa)
2.47E-11
121
11.11.3 Meksa beluk ing 2000 K
13.20 (Pa)ora Sumadhiya
2.62E-10
774
11.12 situs kelenturan
11.12.1 nyukur pengaturan
14.80 GPA7.90 GPA
1.3
222
11.12.5 pengaturan akeh
28.80 GPA8.30 GPA
1.6
462
11.13.4 Young kang pengaturan
37.30 GPA18.20 GPA
1.7
528
11.15 Poisson rasio
11.18 Properties Teknik liyane
ductile, malleable
ductile
12 Magnetic
12.1 Ciri Magnetic
12.1.1 Gravitasi tartamtu
12.2.2 Nindakake Magnetic
paramagnetic
paramagnetic
12.2.3 permeabilitas
ora Sumadhiyaora Sumadhiya
1.25643E-06
0.0063
12.4.2 kelemahan
ora Sumadhiyaora Sumadhiya
-0.000166
200000
13.2 Properties Listrik
13.2.1 Property Listrik
13.2.2 resistivity
0.70 nΩ · m0.90 nΩ · m
0.18
961
13.2.6 konduktivitas listrik
0.01 10 6 / cm Ω0.01 10 6 / cm Ω
0.00666
0.63
13.3.2 elektron Affinity
50.00 kJ / mol50.00 kJ / mol
0
222.8
14 termal
14.1 Kalor tartamtu
0.19 J / (kg K)0.18 J / (kg K)
0.11
3.6
14.2 Graham Kapasitas kalor
27.20 J / mol · K27.66 J / mol · K
16.443
62.7
14.4 doyo termal
12.50 W / m · K13.90 W / m · K
6.3
429
14.5 suhu kritis
ora Sumadhiyaora Sumadhiya
26.3
3223
14.6 Expansion termal
6.70 μm / (m · K)35.00 μm / (m · K)
4.5
97
14.9 enthalpy
14.9.1 Enthalpy panguapan
296.80 kJ / mol143.50 kJ / mol
7.32
799.1
16.1.1 Enthalpy saka Fusion
6.89 kJ / mol9.21 kJ / mol
2.1
35.23
16.4.2 Enthalpy saka atomization
368.00 kJ / mol180.00 kJ / mol
61.5
837
16.7 Standard molar Entropy
73.20 J / mol.K77.80 J / mol.K
9.5
198.1