Praseodymium mungsuh Silver
Tabel périodik
Symbol
Pr
Ag
Panggil Group
ora Sumadhiya
11
7
Panggil periode
6
5
Block
pemblokiran f
d block
Family unsur
lanthanide
transisi Metal
CAS Number
7440100
99+
7440224
99+
Jeneng papan Group
P63 / mmc
Fm_ 3M
Space Group Number
194.00
5
225.00
2
facts
Facts Interesting
- Praseodymium logam sintetik diprodhuksi logam.
- Praseodymium digunakake minangka bahan bakar kanggo generator radioaktif.
- Kuwi unsur paling termenung.
- Silver punika logam ductile paling kapindho sawisé Gold.
- Sampeyan uga dipigunakaké ing Dentistry minangka wesi dental klip lan penobatan.
sumber
Found in Minerals, Mining, Ores saka Minerals
bumi lemah ndhuwur, Found in Minerals, Ores logam
History
sing katutup
Not Available
Unknown
Discovery
ing taun 1885
Sadurunge 5000 BC
turah mbrawah
Turah mbrawah Ing Universe
2 * 10-7 %
22
6 * 10-8 %
26
Turah mbrawah Ing Sun
~0.0000001 %
26
~0.0000001 %
26
Turah mbrawah Ing meteorit
0.00 %
40
0.00 %
38
Turah mbrawah Ing bumi lemah ndhuwur
0.00 %
27
0.00 %
99+
Turah mbrawah Ing Segara
0.00 %
39
0.00 %
19
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.
- Silver utamané dipigunakaké kanggo Jewelry lan nuduhake Piece.
- Kang digunakake kanggo Manufaktur mirrors kualitas dhuwur amarga bisa reflectivity sawijining.
Ulah Industrial
Industri Kimia
Industri Kimia, Industry Clothing, Industry Listrik
Ulah Medical
NA
Dentistry, Industry Pharmaceutical
Ulah liyane
wesi
wesi, bullion, koin, Jewellery, patung, Statues
Properties biologi
keracunan
arep Toxic
non Toxic
Saiki ing badan Human
Ora
Ya
Sang
ora Sumadhiya
0.00 Sang / mg dm-3
29
ing Bone
ora Sumadhiya
0.44 ppm
20
fisik Properties
leleh Point
935.00 ° C
99+
961.93 ° C
99+
Boiling Point
3,130.00 ° C
27
2,212.00 ° C
99+
katon
State fisik
Solid
Solid
warna
klawu putih
perak Putih
luster
metallic
metallic
atose
Mohs atose
ora Sumadhiya
2.50
14
Brinell atose
481.00 MPa
24
251.00 MPa
37
Vickers atose
400.00 MPa
25
229.00 MPa
30
Kacepetan swara
2,280.00 m / s
40
2,680.00 m / s
34
Properties Optical
reflectivity
ora Sumadhiya
97.00 %
1
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
Ag
isotop
Isotop dikenal
31
8
36
3
keelektronegatifan
Pauling Elektronegativitas
1.13
99+
1.93
9
Sanderson Elektronegativitas
ora Sumadhiya
1.83
11
Allred Rochow Elektronegativitas
1.07
32
1.42
18
Mulliken-Jaffe Elektronegativitas
ora Sumadhiya
1.47
15
Allen Elektronegativitas
ora Sumadhiya
1.87
7
Electropositivity
Pauling Electropositivity
2.87
12
2.07
99+
tenogo ionisasi
Level Energy 1st
527.00 kJ / mol
99+
731.00 kJ / mol
27
Level Energy 2
1,020.00 kJ / mol
99+
2,070.00 kJ / mol
11
Level Energy 3rd
2,086.00 kJ / mol
99+
3,361.00 kJ / mol
19
Level Energy 4
3,761.00 kJ / mol
99+
ora Sumadhiya
Level Energy 5th
5,551.00 kJ / mol
29
ora Sumadhiya
padha karo elektrokimia
1.75 g / amp-day
40
4.02 g / amp-day
7
Fungsi Work elektron
2.70 eV
99+
4.26 eV
20
Properties Kimia liyane
anti Corrosion, ionisasi, Isotop radioaktif
Kimia Stabilitas, ionisasi, kelarutan
atom Properties
Panggil atom
59
99+
47
99+
Konfigurasi elektron
[Xe] 4F 3 6s 2
[Kr] 4d 10 5S 1
Struktur Crystal
Hexagonal Tutup dikempalken (HCP)
Face tengah kubik (FCC)
Crystal pola
HCP-Crystal-Structure-of-Praseodymium.jpg#100
FCC-Crystal-Structure-of-Silver.jpg#100
atom
Jumlah proton
59
99+
47
99+
Jumlah Neutron
82
99+
61
99+
Jumlah Èlèktron
59
99+
47
99+
Radius saka Atom
Radius atom
182.00 pm
11
144.00 pm
36
kovalen Radius
203.00 pm
9
145.00 pm
39
Van der Waals Radius
239.00 pm
14
172.00 pm
38
Bobot atom
140.91 Amu
99+
107.87 Amu
99+
Volume atom
20.80 cm3 / mol
15
10.30 cm3 / mol
99+
Nomer atom jejer
Potensi Valence Electron
42.64 (-eV)
99+
11.40 (-eV)
99+
Constant pola
367.25 pm
29
408.53 pm
20
pola Angles
π/2, π/2, 2 π/3
π/2, π/2, π/2
Pola C / A rasio
1.61
4
ora Sumadhiya
Teknik Properties
Kapadhetan
Kapadhetan Ing suhu kamar
6.77 g / cm 3
99+
10.49 g / cm 3
35
Kapadhetan Nalika Liquid (ing mp)
6.50 g / cm3
39
9.32 g / cm3
21
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)
14
Meksa beluk ing 2000 K
13.20 (Pa)
7
ora Sumadhiya
situs kelenturan
nyukur pengaturan
14.80 GPA
39
30.00 GPA
23
pengaturan akeh
28.80 GPA
40
100.00 GPA
16
Young kang pengaturan
37.30 GPA
99+
83.00 GPA
23
Poisson rasio
0.28
16
0.37
7
Properties Teknik liyane
ductile, malleable
ductile, malleable
Magnetic Properties
Ciri Magnetic
Gravitasi tartamtu
6.77
99+
10.50
26
Nindakake Magnetic
paramagnetic
diamagnetic
kelemahan
ora Sumadhiya
0.00
5
Properties Listrik
Property Listrik
Arman
Arman
resistivity
0.70 nΩ · m
99+
15.87 nΩ · m
99+
konduktivitas listrik
0.01 10 6 / cm Ω
99+
0.63 10 6 / cm Ω
1
elektron Affinity
50.00 kJ / mol
21
125.60 kJ / mol
5
termal Properties
Kalor tartamtu
0.19 J / (kg K)
32
0.24 J / (kg K)
25
Graham Kapasitas kalor
27.20 J / mol · K
18
25.35 J / mol · K
99+
doyo termal
12.50 W / m · K
99+
429.00 W / m · K
1
suhu kritis
ora Sumadhiya
ora Sumadhiya
Expansion termal
6.70 μm / (m · K)
99+
18.90 μm / (m · K)
23
enthalpy
Enthalpy panguapan
296.80 kJ / mol
29
255.10 kJ / mol
37
Enthalpy saka Fusion
6.89 kJ / mol
99+
11.30 kJ / mol
31
Enthalpy saka atomization
368.00 kJ / mol
24
284.50 kJ / mol
37
Standard molar Entropy
73.20 J / mol.K
10
42.60 J / mol.K
35
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