Praseodymium mungsuh iridium
Tabel périodik
Symbol
Pr
Ir
Panggil Group
ora Sumadhiya
9
9
Panggil periode
6
6
Block
pemblokiran f
d block
Family unsur
lanthanide
transisi Metal
CAS Number
7440100
99+
7439885
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.
- unsur Iridium occurs minangka wesi alam Platinum lan Osmium.
- unsur Iridium dikenal minangka paling metal resistance karat.
sumber
Found in Minerals, Mining, Ores saka Minerals
Found in Minerals, Mining, Ores saka Minerals
History
sing katutup
Not Available
Smithson Tennant
Discovery
ing taun 1885
ing 1803
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 %
29
Turah mbrawah Ing bumi lemah ndhuwur
0.00 %
27
0.00 %
99+
Turah mbrawah Ing Segara
0.00 %
39
ora Sumadhiya
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.
- Iridium duwe sifat anti karat lan digunakake ing alloy khusus karo logam Osmium lan alloy sing digunakake ing tips pen lan Compass bantalan poros.
Ulah Industrial
Industri Kimia
Industry automobile, Industry Listrik, Industry Elektronik
Ulah Medical
NA
NA
Ulah liyane
wesi
wesi
Properties biologi
keracunan
arep Toxic
Toxic
Saiki ing badan Human
Ora
Ya
fisik Properties
leleh Point
935.00 ° C
99+
2,410.00 ° C
7
Boiling Point
3,130.00 ° C
27
4,527.00 ° C
10
katon
State fisik
Solid
Solid
warna
klawu putih
perak Putih
luster
metallic
metallic
atose
Mohs atose
ora Sumadhiya
6.50
5
Brinell atose
481.00 MPa
24
1,670.00 MPa
5
Vickers atose
400.00 MPa
25
1,760.00 MPa
3
Kacepetan swara
2,280.00 m / s
40
4,825.00 m / s
13
Properties Optical
reflectivity
ora Sumadhiya
78.00 %
6
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
Ir
isotop
Isotop dikenal
31
8
34
5
keelektronegatifan
Pauling Elektronegativitas
1.13
99+
2.20
4
Allred Rochow Elektronegativitas
1.07
32
1.55
11
Allen Elektronegativitas
ora Sumadhiya
1.68
17
Electropositivity
Pauling Electropositivity
2.87
12
1.80
99+
tenogo ionisasi
Level Energy 1st
527.00 kJ / mol
99+
880.00 kJ / mol
9
Level Energy 2
1,020.00 kJ / mol
99+
1,600.00 kJ / mol
35
Level Energy 3rd
2,086.00 kJ / mol
99+
ora Sumadhiya
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
1.14 g / amp-day
99+
Fungsi Work elektron
2.70 eV
99+
4.55 eV
13
Properties Kimia liyane
anti Corrosion, ionisasi, Isotop radioaktif
kebakar, ionisasi, Isotop radioaktif, Radioaktif
atom Properties
Panggil atom
59
99+
77
39
Konfigurasi elektron
[Xe] 4F 3 6s 2
[Xe] 4F 14 5d 7 6s 2
Struktur Crystal
Hexagonal Tutup dikempalken (HCP)
Face tengah kubik (FCC)
Crystal pola
HCP-Crystal-Structure-of-Praseodymium.jpg#100
FCC-Crystal-Structure-of-Iridium.jpg#100
atom
Jumlah proton
59
99+
74
99+
Jumlah Neutron
82
99+
110
27
Jumlah Èlèktron
59
99+
74
99+
Radius saka Atom
Radius atom
182.00 pm
11
136.00 pm
99+
kovalen Radius
203.00 pm
9
141.00 pm
99+
Van der Waals Radius
239.00 pm
14
202.00 pm
27
Bobot atom
140.91 Amu
99+
192.22 Amu
34
Volume atom
20.80 cm3 / mol
15
9.53 cm3 / mol
99+
Nomer atom jejer
Potensi Valence Electron
42.64 (-eV)
99+
140.00 (-eV)
5
Constant pola
367.25 pm
29
383.90 pm
26
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+
22.56 g / cm 3
10
Kapadhetan Nalika Liquid (ing mp)
6.50 g / cm3
39
19.00 g / cm3
3
Strength tensile
ora Sumadhiya
2,000.00 MPa
2
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
0.00 (Pa)
25
situs kelenturan
nyukur pengaturan
14.80 GPA
39
210.00 GPA
2
pengaturan akeh
28.80 GPA
40
320.00 GPA
3
Young kang pengaturan
37.30 GPA
99+
528.00 GPA
1
Poisson rasio
0.28
16
0.26
22
Properties Teknik liyane
ductile, malleable
NA
Magnetic Properties
Ciri Magnetic
Gravitasi tartamtu
6.77
99+
21.78
3
Nindakake Magnetic
paramagnetic
paramagnetic
Properties Listrik
Property Listrik
Arman
Arman
resistivity
0.70 nΩ · m
99+
47.10 nΩ · m
99+
konduktivitas listrik
0.01 10 6 / cm Ω
99+
0.19 10 6 / cm Ω
10
elektron Affinity
50.00 kJ / mol
21
151.00 kJ / mol
4
termal Properties
Kalor tartamtu
0.19 J / (kg K)
32
0.13 J / (kg K)
39
Graham Kapasitas kalor
27.20 J / mol · K
18
25.10 J / mol · K
99+
doyo termal
12.50 W / m · K
99+
147.00 W / m · K
10
suhu kritis
ora Sumadhiya
ora Sumadhiya
Expansion termal
6.70 μm / (m · K)
99+
6.40 μm / (m · K)
99+
enthalpy
Enthalpy panguapan
296.80 kJ / mol
29
799.10 kJ / mol
1
Enthalpy saka Fusion
6.89 kJ / mol
99+
35.23 kJ / mol
1
Enthalpy saka atomization
368.00 kJ / mol
24
837.00 kJ / mol
1
Standard molar Entropy
73.20 J / mol.K
10
35.50 J / mol.K
99+
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