Praseodymium mungsuh kobalt
Tabel périodik
Symbol
Pr
Co
Panggil Group
ora Sumadhiya
9
9
Panggil periode
6
4
Block
pemblokiran f
d block
Family unsur
lanthanide
transisi Metal
CAS Number
7440100
99+
7440484
38
Jeneng papan Group
P63 / mmc
P63 / mmc
Space Group Number
194.00
5
194.00
5
facts
Facts Interesting
- Praseodymium logam sintetik diprodhuksi logam.
- Praseodymium digunakake minangka bahan bakar kanggo generator radioaktif.
Character length exceed error
sumber
Found in Minerals, Mining, Ores saka Minerals
Found in Senyawa, Mining, Ores saka Minerals
History
sing katutup
Not Available
Georg Brandt
Discovery
ing taun 1885
ing 1732
turah mbrawah
Turah mbrawah Ing Universe
2 * 10-7 %
22
3 * 10-4 %
9
Turah mbrawah Ing Sun
~0.0000001 %
26
~0.0004 %
9
Turah mbrawah Ing meteorit
0.00 %
40
0.06 %
10
Turah mbrawah Ing bumi lemah ndhuwur
0.00 %
27
0.00 %
21
Turah mbrawah Ing Segara
0.00 %
39
0.00 %
20
Turah mbrawah Ing Manungsa
ora Sumadhiya
0.00 %
17
ulah
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.
Ulah Industrial
Industri Kimia
Industri Kimia, Industry Listrik, Industry Elektronik
Ulah Medical
NA
Industry Pharmaceutical
Ulah liyane
wesi
wesi
Properties biologi
keracunan
arep Toxic
Toxic
Saiki ing badan Human
Ora
Ya
Sang
ora Sumadhiya
0.04 Sang / mg dm-3
18
ing Bone
ora Sumadhiya
0.04 ppm
27
fisik Properties
leleh Point
935.00 ° C
99+
1,495.00 ° C
29
Boiling Point
3,130.00 ° C
27
2,870.00 ° C
34
katon
State fisik
Solid
Solid
warna
klawu putih
Gray
luster
metallic
metallic
atose
Mohs atose
ora Sumadhiya
5.00
8
Brinell atose
481.00 MPa
24
470.00 MPa
26
Vickers atose
400.00 MPa
25
1,043.00 MPa
11
Kacepetan swara
2,280.00 m / s
40
4,720.00 m / s
14
Properties Optical
reflectivity
ora Sumadhiya
67.00 %
11
allotropes
Ora
Ya
α allotropes
ora Sumadhiya
α-kobalt
β allotropes
ora Sumadhiya
β-kobalt
γ allotropes
ora Sumadhiya
ora Sumadhiya
Kimia Properties
Formula Kimia
Pr
Co
isotop
Isotop dikenal
31
8
26
13
keelektronegatifan
Pauling Elektronegativitas
1.13
99+
1.88
12
Sanderson Elektronegativitas
ora Sumadhiya
2.56
1
Allred Rochow Elektronegativitas
1.07
32
1.70
5
Allen Elektronegativitas
ora Sumadhiya
1.84
10
Electropositivity
Pauling Electropositivity
2.87
12
2.12
99+
tenogo ionisasi
Level Energy 1st
527.00 kJ / mol
99+
760.40 kJ / mol
19
Level Energy 2
1,020.00 kJ / mol
99+
1,648.00 kJ / mol
31
Level Energy 3rd
2,086.00 kJ / mol
99+
3,232.00 kJ / mol
22
Level Energy 4
3,761.00 kJ / mol
99+
4,950.00 kJ / mol
19
Level Energy 5th
5,551.00 kJ / mol
29
7,670.00 kJ / mol
12
Level Energy 6th
ora Sumadhiya
9,840.00 kJ / mol
12
tingkat Energy 7
ora Sumadhiya
12,440.00 kJ / mol
11
Level Energy 8
ora Sumadhiya
15,230.00 kJ / mol
12
Level Energy 9
ora Sumadhiya
17,959.00 kJ / mol
13
Level Energy 10th
ora Sumadhiya
26,570.00 kJ / mol
7
Level Energy 11
ora Sumadhiya
29,400.00 kJ / mol
8
Level Energy 12
ora Sumadhiya
32,400.00 kJ / mol
8
Level Energy 13
ora Sumadhiya
36,600.00 kJ / mol
8
Level Energy 14
ora Sumadhiya
39,700.00 kJ / mol
9
Level Energy 15
ora Sumadhiya
42,800.00 kJ / mol
12
Level Energy 16
ora Sumadhiya
49,396.00 kJ / mol
11
Level Energy 17
ora Sumadhiya
52,737.00 kJ / mol
13
Level Energy 18
ora Sumadhiya
134,810.00 kJ / mol
1
Level Energy 19
ora Sumadhiya
145,170.00 kJ / mol
2
Level Energy 20
ora Sumadhiya
154,700.00 kJ / mol
4
Level Energy 21
ora Sumadhiya
167,400.00 kJ / mol
4
Level Energy 22
ora Sumadhiya
178,100.00 kJ / mol
3
Level Energy 23rd
ora Sumadhiya
189,300.00 kJ / mol
3
padha karo elektrokimia
1.75 g / amp-day
40
1.10 g / amp-day
99+
Fungsi Work elektron
2.70 eV
99+
5.00 eV
5
Properties Kimia liyane
anti Corrosion, ionisasi, Isotop radioaktif
Kimia Stabilitas, ionisasi
atom Properties
Panggil atom
59
99+
22
99+
Konfigurasi elektron
[Xe] 4F 3 6s 2
[Ar] 3d 2 4s 2
Struktur Crystal
Hexagonal Tutup dikempalken (HCP)
Hexagonal Tutup dikempalken (HCP)
Crystal pola
HCP-Crystal-Structure-of-Praseodymium.jpg#100
HCP-Crystal-Structure-of-Cobalt.jpg#100
atom
Jumlah proton
59
99+
22
99+
Jumlah Neutron
82
99+
26
99+
Jumlah Èlèktron
59
99+
22
99+
Radius saka Atom
Radius atom
182.00 pm
11
147.00 pm
34
kovalen Radius
203.00 pm
9
160.00 pm
30
Van der Waals Radius
239.00 pm
14
200.00 pm
28
Bobot atom
140.91 Amu
99+
47.87 Amu
99+
Volume atom
20.80 cm3 / mol
15
10.64 cm3 / mol
99+
Nomer atom jejer
Potensi Valence Electron
42.64 (-eV)
99+
95.20 (-eV)
10
Constant pola
367.25 pm
29
295.08 pm
99+
pola Angles
π/2, π/2, 2 π/3
π/2, π/2, 2 π/3
Pola C / A rasio
1.61
4
ora Sumadhiya
Teknik Properties
Kapadhetan
Kapadhetan Ing suhu kamar
6.77 g / cm 3
99+
4.51 g / cm 3
99+
Kapadhetan Nalika Liquid (ing mp)
6.50 g / cm3
39
4.11 g / cm3
99+
Strength tensile
ora Sumadhiya
434.00 MPa
9
viskositas
ora Sumadhiya
ora Sumadhiya
meksa beluk
Meksa beluk ing 1000 K
0.00 (Pa)
25
ora Sumadhiya
Meksa beluk ing 2000 K
13.20 (Pa)
7
0.98 (Pa)
14
situs kelenturan
nyukur pengaturan
14.80 GPA
39
44.00 GPA
17
pengaturan akeh
28.80 GPA
40
110.00 GPA
15
Young kang pengaturan
37.30 GPA
99+
116.00 GPA
18
Poisson rasio
0.28
16
0.32
12
Properties Teknik liyane
ductile, malleable
ductile
Magnetic Properties
Ciri Magnetic
Gravitasi tartamtu
6.77
99+
4,500.00
1
Nindakake Magnetic
paramagnetic
paramagnetic
Properties Listrik
Property Listrik
Arman
Arman miskin
resistivity
0.70 nΩ · m
99+
420.00 nΩ · m
12
konduktivitas listrik
0.01 10 6 / cm Ω
99+
0.02 10 6 / cm Ω
99+
elektron Affinity
50.00 kJ / mol
21
7.60 kJ / mol
37
termal Properties
Kalor tartamtu
0.19 J / (kg K)
32
0.52 J / (kg K)
9
Graham Kapasitas kalor
27.20 J / mol · K
18
25.06 J / mol · K
99+
doyo termal
12.50 W / m · K
99+
21.90 W / m · K
99+
suhu kritis
ora Sumadhiya
ora Sumadhiya
Expansion termal
6.70 μm / (m · K)
99+
8.60 μm / (m · K)
99+
enthalpy
Enthalpy panguapan
296.80 kJ / mol
29
429.00 kJ / mol
15
Enthalpy saka Fusion
6.89 kJ / mol
99+
15.48 kJ / mol
19
Enthalpy saka atomization
368.00 kJ / mol
24
468.60 kJ / mol
15
Standard molar Entropy
73.20 J / mol.K
10
27.30 J / mol.K
99+
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