Symbol
Pr
Mt
Panggil Group
39
0
17
👆🏻
Panggil periode
67
2
7
👆🏻
Block
pemblokiran f
d block
Family unsur
lanthanide
mbokmenawa Transition
CAS Number
744010054038016
7429905
54386242
👆🏻
Jeneng papan Group
P63 / mmc
-
Space Group Number
194.00166.00
11
276
👆🏻
Facts Interesting
- Praseodymium logam sintetik diprodhuksi logam.
- Praseodymium digunakake minangka bahan bakar kanggo generator radioaktif.
Meitnerium dijenengi sawise Lise Meitner, fisikawan Austria.
sumber
Found in Minerals, Mining, Ores saka Minerals
Némbakaké Bi209 karo cepet inti Fe58, sintetik Diprodhuksi
History
sing katutup
-
Gesellschaft für Schwerionenforschung
Discovery
ing taun 1885
ing taun 1982
turah mbrawah
Turah mbrawah Ing Universe
0.00 %0.00 %
0
0.11
👆🏻
Turah mbrawah Ing Sun
0.00 %-
0
0.1
👆🏻
Turah mbrawah Ing meteorit
0.00 %0.00 %
0
22
👆🏻
Turah mbrawah Ing bumi lemah ndhuwur
0.00 %-
1E-37
8.1
👆🏻
Turah mbrawah Ing Segara
0.00 %-
0
1.1
👆🏻
Turah mbrawah Ing Manungsa
0.00 %-
0
1.4
👆🏻
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.
- Efesus saiki dikenal saka logam Meitnerium sing winates kanggo riset waé mung.
Ulah Industrial
Industri Kimia
-
Ulah Medical
-
-
Ulah liyane
wesi
-
Properties biologi
keracunan
arep Toxic
-
Saiki ing badan Human
Ora
Ora
Sang
0.00 Sang / mg dm-30.00 Sang / mg dm-3
0
1970
👆🏻
ing Bone
0.00 ppm0.00 ppm
0
170000
👆🏻
leleh Point
935.00 ° C-
-38.83
3410
👆🏻
Boiling Point
3,130.00 ° C0.00 ° C
0
5660
👆🏻
katon
State fisik
Solid
Solid
warna
klawu putih
-
luster
metallic
Unknown Luster
atose
Mohs atose
4.00-
0.2
8.5
👆🏻
Brinell atose
481.00 MPa400.00 MPa
0.14
3490
👆🏻
Vickers atose
400.00 MPa350.00 MPa
0
3920
👆🏻
Kacepetan swara
2,280.00 m / s3,200.00 m / s
818
16200
👆🏻
Properties Optical
bias Index
1.641.30
0.155
3.41
👆🏻
reflectivity
60.00 %68.00 %
5
97
👆🏻
allotropes
Ora
Ora
α allotropes
-
-
β allotropes
-
-
γ allotropes
-
-
Formula Kimia
Pr
Mt
isotop
Isotop dikenal
314
0
38
👆🏻
keelektronegatifan
Pauling Elektronegativitas
1.131.30
0
2.6
👆🏻
Sanderson Elektronegativitas
1.131.90
0.22
2.56
👆🏻
Allred Rochow Elektronegativitas
1.071.30
0.86
1.9
👆🏻
Mulliken-Jaffe Elektronegativitas
1.131.30
0.62
2.48
👆🏻
Allen Elektronegativitas
1.131.30
0.659
2.7
👆🏻
Electropositivity
Pauling Electropositivity
2.872.00
1.46
3.3
👆🏻
tenogo ionisasi
Level Energy 1st
527.00 kJ / mol800.80 kJ / mol
375.7
26130
👆🏻
Level Energy 2
1,020.00 kJ / mol1,823.60 kJ / mol
392.8
28750
👆🏻
Level Energy 3rd
2,086.00 kJ / mol2,904.20 kJ / mol
392.8
34230
👆🏻
Level Energy 4
3,761.00 kJ / mol3,859.40 kJ / mol
375.7
37066
👆🏻
Level Energy 5th
5,551.00 kJ / mol4,920.80 kJ / mol
392
97510
👆🏻
Level Energy 6th
5,270.00 kJ / mol8,000.00 kJ / mol
1007
105800
👆🏻
tingkat Energy 7
5,270.00 kJ / mol8,000.00 kJ / mol
1007
114300
👆🏻
Level Energy 8
5,270.00 kJ / mol8,000.00 kJ / mol
730
125300
👆🏻
Level Energy 9
5,270.00 kJ / mol6,700.00 kJ / mol
1007
134700
👆🏻
Level Energy 10th
5,270.00 kJ / mol5,800.00 kJ / mol
392
144300
👆🏻
Level Energy 11
5,274.00 kJ / mol6,300.00 kJ / mol
392
169988
👆🏻
Level Energy 12
5,270.00 kJ / mol0.00 kJ / mol
0
189368
👆🏻
Level Energy 13
5,270.00 kJ / mol8,000.00 kJ / mol
1007
76015
👆🏻
Level Energy 14
5,270.00 kJ / mol1,156.00 kJ / mol
380
86450
👆🏻
Level Energy 15
52,700.00 kJ / mol80,000.00 kJ / mol
33000
100700
👆🏻
Level Energy 16
52,700.00 kJ / mol58,700.00 kJ / mol
375.7
109480
👆🏻
Level Energy 17
527.30 kJ / mol1,110.00 kJ / mol
375.7
122200
👆🏻
Level Energy 18
5,270.00 kJ / mol8,000.00 kJ / mol
0
134810
👆🏻
Level Energy 19
527.30 kJ / mol1,110.00 kJ / mol
375.7
148700
👆🏻
Level Energy 20
527.00 kJ / mol850.00 kJ / mol
0
171200
👆🏻
Level Energy 21
527.00 kJ / mol800.00 kJ / mol
375.7
179100
👆🏻
Level Energy 22
527.00 kJ / mol380.00 kJ / mol
330
184900
👆🏻
Level Energy 23rd
527.00 kJ / mol8,000.00 kJ / mol
357.6
198800
👆🏻
Level Energy 24
527.40 kJ / mol565.60 kJ / mol
297.3
195200
👆🏻
Level Energy 25th
527.00 kJ / mol800.00 kJ / mol
0
121900
👆🏻
Level Energy 26th
527.40 kJ / mol800.00 kJ / mol
357.6
127700
👆🏻
Level Energy 27th
527.40 kJ / mol800.00 kJ / mol
0
133800
👆🏻
Level Energy 28th
527.40 kJ / mol800.00 kJ / mol
297.3
139800
👆🏻
Level Energy 29
527.00 kJ / mol800.00 kJ / mol
0
148100
👆🏻
Level Energy 30
527.00 kJ / mol800.00 kJ / mol
0
154500
👆🏻
padha karo elektrokimia
1.75 g / amp-day3.00 g / amp-day
0.16812
8.3209
👆🏻
Fungsi Work elektron
2.70 eV4.90 eV
2.14
6
👆🏻
Properties Kimia liyane
anti Corrosion, ionisasi, Isotop radioaktif
ionisasi, Isotop radioaktif, Radioaktif
Panggil atom
59109
3
117
👆🏻
Konfigurasi elektron
[Xe] 4F 3 6s 2
[Rn] 5F 14 6D 7 7s 2
Struktur Crystal
Hexagonal Tutup dikempalken (HCP)
Face tengah kubik (FCC)
Crystal pola
atom
Jumlah proton
59109
3
117
👆🏻
Jumlah Neutron
82157
4
285
👆🏻
Jumlah Èlèktron
59109
3
117
👆🏻
Radius saka Atom
Radius atom
182.00 pm122.00 pm
0
348
👆🏻
kovalen Radius
203.00 pm129.00 pm
0
260
👆🏻
Van der Waals Radius
239.00 pm260.00 pm
0
348
👆🏻
Bobot atom
140.91 Amu278.00 Amu
6.94
294
👆🏻
Volume atom
20.80 cm3 / mol20.20 cm3 / mol
1.39
71.07
👆🏻
Nomer atom jejer
unsur Previous
Sabanjure unsur
Potensi Valence Electron
42.64 (-eV)31.20 (-eV)
0
392.42
👆🏻
Constant pola
367.25 pm0.00 pm
0
891.25
👆🏻
pola Angles
π/2, π/2, 2 π/3
-
Pola C / A rasio
1.611.59
0.423
1.9
👆🏻
Kapadhetan
Kapadhetan Ing suhu kamar
6.77 g / cm 337.40 g / cm 3
0.534
40.7
👆🏻
Kapadhetan Nalika Liquid (ing mp)
6.50 g / cm337.40 g / cm3
0.512
41
👆🏻
Strength tensile
55.00 MPa80.00 MPa
0.1
11000
👆🏻
viskositas
0.000.00
1.5E-05
0.0035
👆🏻
meksa beluk
Meksa beluk ing 1000 K
0.00 (Pa)0.00 (Pa)
0
121
👆🏻
Meksa beluk ing 2000 K
13.20 (Pa)0.00 (Pa)
0
774
👆🏻
situs kelenturan
nyukur pengaturan
14.80 GPA35.00 GPA
1.3
222
👆🏻
pengaturan akeh
28.80 GPA0.00 GPA
0
462
👆🏻
Young kang pengaturan
37.30 GPA13.50 GPA
0
528
👆🏻
Poisson rasio
0.280.25
0.032
0.47
👆🏻
Properties Teknik liyane
ductile, malleable
-
Ciri Magnetic
Gravitasi tartamtu
6.7737.40
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
-
resistivity
0.70 nΩ · m0.35 nΩ · m
0.1
961
👆🏻
konduktivitas listrik
0.01 10 6 / cm Ω0.00 10 6 / cm Ω
0
0.63
👆🏻
elektron Affinity
50.00 kJ / mol50.00 kJ / mol
0
222.8
👆🏻
Kalor tartamtu
0.19 J / (kg K)0.10 J / (kg K)
0.1
3.6
👆🏻
Graham Kapasitas kalor
27.20 J / mol · K27.00 J / mol · K
13.1
62.7
👆🏻
doyo termal
12.50 W / m · K0.00 W / m · K
0
429
👆🏻
suhu kritis
1,208.00 K1,323.00 K
26.3
3695
👆🏻
Expansion termal
6.70 μm / (m · K)10.30 μm / (m · K)
4.5
97
👆🏻
enthalpy
Enthalpy panguapan
296.80 kJ / mol110.00 kJ / mol
7.32
799.1
👆🏻
Enthalpy saka Fusion
6.89 kJ / mol-
2.1
35.23
👆🏻
Enthalpy saka atomization
368.00 kJ / mol350.20 kJ / mol
61.5
837
👆🏻
Standard molar Entropy
73.20 J / mol.K63.80 J / mol.K
9.5
198.1
👆🏻