Praseodymium mungsuh Gadolinium
Tabel périodik
Symbol
Pr
Gd
Panggil Group
ora Sumadhiya
0
18
Panggil periode
6
6
Block
pemblokiran f
pemblokiran f
Family unsur
lanthanide
lanthanide
CAS Number
7440100
99+
7440542
33
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.
- Gadolinium ora ketemu gratis ing alam, Empu iku ora logam native.
- metal Gadolinium ditemokaké ing mineral Monazite lan bastnaesite.
sumber
Found in Minerals, Mining, Ores saka Minerals
Found in Minerals, Mining
History
sing katutup
Not Available
Jean Charles Galissard de Marignac
Discovery
ing taun 1885
ing taun 1880
turah mbrawah
Turah mbrawah Ing Universe
2 * 10-7 %
22
2 * 10-7 %
22
Turah mbrawah Ing Sun
~0.0000001 %
26
~0.0000002 %
25
Turah mbrawah Ing meteorit
0.00 %
40
0.00 %
34
Turah mbrawah Ing bumi lemah ndhuwur
0.00 %
27
0.00 %
30
Turah mbrawah Ing Segara
0.00 %
39
0.00 %
38
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.
- wesi uga digunakake ing nggawe Magnets, komponen elektronik lan piranti panyimpenan data.
- Senyawa saka logam Gadolinium digunakake ing magnetik résonansi (MRI).
Ulah Industrial
Industri Kimia
Industry Aerospace, Industry Listrik, Industry Elektronik
Ulah Medical
NA
NA
Ulah liyane
wesi
wesi
Properties biologi
keracunan
arep Toxic
non Toxic
Saiki ing badan Human
Ora
Ora
fisik Properties
leleh Point
935.00 ° C
99+
1,311.00 ° C
35
Boiling Point
3,130.00 ° C
27
3,233.00 ° C
25
katon
State fisik
Solid
Solid
warna
klawu putih
perak Putih
luster
metallic
metallic
atose
Brinell atose
481.00 MPa
24
ora Sumadhiya
Vickers atose
400.00 MPa
25
510.00 MPa
22
Kacepetan swara
2,280.00 m / s
40
2,680.00 m / s
34
Properties Optical
allotropes
Ora
Ora
α allotropes
ora Sumadhiya
ora Sumadhiya
β allotropes
ora Sumadhiya
ora Sumadhiya
γ allotropes
ora Sumadhiya
ora Sumadhiya
Kimia Properties
Formula Kimia
Pr
Gd
isotop
Isotop dikenal
31
8
26
13
keelektronegatifan
Pauling Elektronegativitas
1.13
99+
1.20
39
Allred Rochow Elektronegativitas
1.07
32
1.11
29
Electropositivity
Pauling Electropositivity
2.87
12
2.80
15
tenogo ionisasi
Level Energy 1st
527.00 kJ / mol
99+
593.40 kJ / mol
99+
Level Energy 2
1,020.00 kJ / mol
99+
1,170.00 kJ / mol
99+
Level Energy 3rd
2,086.00 kJ / mol
99+
1,990.00 kJ / mol
99+
Level Energy 4
3,761.00 kJ / mol
99+
4,250.00 kJ / mol
30
Level Energy 5th
5,551.00 kJ / mol
29
ora Sumadhiya
padha karo elektrokimia
1.75 g / amp-day
40
1.96 g / amp-day
32
Fungsi Work elektron
2.70 eV
99+
3.10 eV
35
Properties Kimia liyane
anti Corrosion, ionisasi, Isotop radioaktif
Corrosion, kebakar, ionisasi, Isotop radioaktif
atom Properties
Panggil atom
59
99+
64
99+
Konfigurasi elektron
[Xe] 4F 3 6s 2
[Xe] 4F 7 5d 1 6s 2
Struktur Crystal
Hexagonal Tutup dikempalken (HCP)
Hexagonal Tutup dikempalken (HCP)
Crystal pola
HCP-Crystal-Structure-of-Praseodymium.jpg#100
HCP-Crystal-Structure-of-Gadolinium.jpg#100
atom
Jumlah proton
59
99+
64
99+
Jumlah Neutron
82
99+
93
37
Jumlah Èlèktron
59
99+
64
99+
Radius saka Atom
Radius atom
182.00 pm
11
180.00 pm
14
kovalen Radius
203.00 pm
9
196.00 pm
14
Van der Waals Radius
239.00 pm
14
237.00 pm
15
Bobot atom
140.91 Amu
99+
47.87 Amu
99+
Volume atom
20.80 cm3 / mol
15
19.90 cm3 / mol
20
Nomer atom jejer
Potensi Valence Electron
42.64 (-eV)
99+
46.10 (-eV)
34
Constant pola
367.25 pm
29
363.60 pm
32
pola Angles
π/2, π/2, 2 π/3
π/2, π/2, 2 π/3
Pola C / A rasio
1.61
4
1.59
9
Teknik Properties
Kapadhetan
Kapadhetan Ing suhu kamar
6.77 g / cm 3
99+
7.90 g / cm 3
99+
Kapadhetan Nalika Liquid (ing mp)
6.50 g / cm3
39
7.40 g / cm3
31
Strength tensile
ora Sumadhiya
ora Sumadhiya
viskositas
ora Sumadhiya
ora Sumadhiya
meksa beluk
Meksa beluk ing 1000 K
0.00 (Pa)
25
0.00 (Pa)
30
Meksa beluk ing 2000 K
13.20 (Pa)
7
7.39 (Pa)
9
situs kelenturan
nyukur pengaturan
14.80 GPA
39
21.80 GPA
33
pengaturan akeh
28.80 GPA
40
37.90 GPA
34
Young kang pengaturan
37.30 GPA
99+
54.80 GPA
35
Poisson rasio
0.28
16
0.26
23
Properties Teknik liyane
ductile, malleable
ductile, malleable
Magnetic Properties
Ciri Magnetic
Gravitasi tartamtu
6.77
99+
7.90
40
Nindakake Magnetic
paramagnetic
Ferromagnetic
Properties Listrik
Property Listrik
Arman
Arman
resistivity
0.70 nΩ · m
99+
1.31 nΩ · m
99+
konduktivitas listrik
0.01 10 6 / cm Ω
99+
0.01 10 6 / cm Ω
99+
elektron Affinity
50.00 kJ / mol
21
50.00 kJ / mol
21
termal Properties
Kalor tartamtu
0.19 J / (kg K)
32
0.23 J / (kg K)
27
Graham Kapasitas kalor
27.20 J / mol · K
18
37.03 J / mol · K
2
doyo termal
12.50 W / m · K
99+
10.60 W / m · K
99+
suhu kritis
ora Sumadhiya
ora Sumadhiya
Expansion termal
6.70 μm / (m · K)
99+
9.40 μm / (m · K)
99+
enthalpy
Enthalpy panguapan
296.80 kJ / mol
29
359.40 kJ / mol
21
Enthalpy saka Fusion
6.89 kJ / mol
99+
10.05 kJ / mol
36
Enthalpy saka atomization
368.00 kJ / mol
24
352.00 kJ / mol
27
Standard molar Entropy
73.20 J / mol.K
10
68.10 J / mol.K
16
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