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Holmium
Holmium

Praseodymium
Praseodymium



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Holmium mungsuh Praseodymium

1 Tabel périodik
1.1 Symbol
Ho
Pr
1.2 Panggil Group
ora Sumadhiyaora Sumadhiya
Gadolinium metal
0 17
1.3 Panggil periode
66
lithium metal
2 7
1.4 Block
pemblokiran f
pemblokiran f
1.5 Family unsur
lanthanide
lanthanide
1.6 CAS Number
74406007440100
Aluminium metal
7429905 54386242
1.7 Jeneng papan Group
P63 / mmc
P63 / mmc
1.8 Space Group Number
194.00194.00
plutonium metal
11 229
2 facts
2.1 Facts Interesting
  • metal Holmium sanget alus lan malleable.
  • metal Holmium uga dikenal kanggo resistivity sawijining karat.
  • Praseodymium logam sintetik diprodhuksi logam.
  • Praseodymium digunakake minangka bahan bakar kanggo generator radioaktif.
2.2 sumber
Found in Minerals, Mining, Ores saka Minerals
Found in Minerals, Mining, Ores saka Minerals
2.3 History
2.3.1 sing katutup
Marc Delafontaine
Not Available
2.3.2 Discovery
ing taun 1878
ing taun 1885
2.4 turah mbrawah
2.4.1 Turah mbrawah Ing Universe
5 * 10-8 %2 * 10-7 %
Thallium metal
5E-09 0.11
2.4.2 Turah mbrawah Ing Sun
~-9999 %~0.0000001 %
Beryllium metal
1E-08 0.1
2.4.3 Turah mbrawah Ing meteorit
0.00 %0.00 %
Gold metal
1.7E-07 22
2.4.4 Turah mbrawah Ing bumi lemah ndhuwur
0.00 %0.00 %
Radium metal
9.9E-12 8.1
2.4.5 Turah mbrawah Ing Segara
0.00 %0.00 %
Protaktinium metal
2E-23 1.1
2.4.6 Turah mbrawah Ing Manungsa
ora Sumadhiyaora Sumadhiya
Radium metal
1E-13 1.4
3 ulah
3.1 Ulah lan Wuku
  • metal Holmium duwe kemampuan kanggo nresep neutron, supaya logam iki digunakake ing reaktor nuklir kanggo njaga reaksi berantai saka unsur ing kontrol.
  • Wesi saka Holmium digunakake kanggo gawé Magnet.
  • Gunakake utama Praseodymium kalebu wesi. Praseodymium -Magnesium alloy digunakake ing mesin pesawat amarga kekuatan dhuwur.
  • metal iki uga digunakake nalika nggawe wesi sembrani permanen.
3.1.1 Ulah Industrial
NA
Industri Kimia
3.1.2 Ulah Medical
NA
NA
3.1.3 Ulah liyane
wesi, Nuclear Riset
wesi
3.2 Properties biologi
3.2.1 keracunan
Low Toxic
arep Toxic
3.2.2 Saiki ing badan Human
Ora
Ora
3.2.3 Sang
ora Sumadhiyaora Sumadhiya
plutonium metal
0 1970
3.2.4 ing Bone
ora Sumadhiyaora Sumadhiya
plutonium metal
0 170000
4 fisik
4.1 leleh Point
1,461.00 ° C935.00 ° C
Francium metal
27 3410
4.2 Boiling Point
2,600.00 ° C3,130.00 ° C
Flerovium metal
147 5660
4.3 katon
4.3.1 State fisik
Solid
Solid
4.3.2 warna
perak Putih
klawu putih
4.3.3 luster
metallic
metallic
4.4 atose
4.4.1 Mohs atose
ora Sumadhiyaora Sumadhiya
sesium metal
0.2 8.5
4.4.2 Brinell atose
746.00 MPa481.00 MPa
sesium metal
0.14 3490
4.4.3 Vickers atose
481.00 MPa400.00 MPa
Palladium metal
121 3430
4.5 Kacepetan swara
2,760.00 m / s2,280.00 m / s
Thallium metal
818 16200
4.6 Properties Optical
4.6.1 bias Index
ora Sumadhiyaora Sumadhiya
Mercury metal
1.000933 1.7229
4.6.2 reflectivity
ora Sumadhiyaora Sumadhiya
molybdenum metal
58 97
4.7 allotropes
Ora
Ora
4.7.1 α allotropes
ora Sumadhiya
ora Sumadhiya
4.7.2 β allotropes
ora Sumadhiya
ora Sumadhiya
4.7.3 γ allotropes
ora Sumadhiya
ora Sumadhiya
5 Kimia
5.1 Formula Kimia
Ho
Pr
5.2 isotop
5.2.1 Isotop dikenal
3431
Tennessine metal
0 38
5.3 keelektronegatifan
5.3.1 Pauling Elektronegativitas
1.231.13
Francium metal
0.7 2.54
5.3.2 Sanderson Elektronegativitas
ora Sumadhiyaora Sumadhiya
sesium metal
0.22 2.56
5.3.3 Allred Rochow Elektronegativitas
1.101.07
sesium metal
0.86 1.82
5.3.4 Mulliken-Jaffe Elektronegativitas
ora Sumadhiyaora Sumadhiya
sesium metal
0.62 2.48
5.3.5 Allen Elektronegativitas
ora Sumadhiyaora Sumadhiya
sesium metal
0.659 2.7
5.4 Electropositivity
5.4.1 Pauling Electropositivity
2.772.87
Gold metal
1.46 3.3
5.5 tenogo ionisasi
5.5.1 Level Energy 1st
581.00 kJ / mol527.00 kJ / mol
sesium metal
375.7 26130
5.5.2 Level Energy 2
1,140.00 kJ / mol1,020.00 kJ / mol
uranium metal
710.2162 28750
5.5.3 Level Energy 3rd
2,204.00 kJ / mol2,086.00 kJ / mol
osmium metal
1600 34230
5.5.4 Level Energy 4
4,100.00 kJ / mol3,761.00 kJ / mol
thorium metal
2780 37066
5.5.5 Level Energy 5th
ora Sumadhiya5,551.00 kJ / mol
dubnium metal
4305.2 97510
5.5.6 Level Energy 6th
ora Sumadhiyaora Sumadhiya
Seaborgium metal
5715.8 105800
5.5.7 tingkat Energy 7
ora Sumadhiyaora Sumadhiya
Bohrium metal
7226.8 114300
5.5.8 Level Energy 8
ora Sumadhiyaora Sumadhiya
hassium metal
8857.4 125300
5.5.9 Level Energy 9
ora Sumadhiyaora Sumadhiya
Yttrium metal
14110 134700
5.5.10 Level Energy 10th
ora Sumadhiyaora Sumadhiya
strontium metal
17100 144300
5.5.11 Level Energy 11
ora Sumadhiyaora Sumadhiya
Yttrium metal
19900 169988
5.5.12 Level Energy 12
ora Sumadhiyaora Sumadhiya
molybdenum metal
22219 189368
5.5.13 Level Energy 13
ora Sumadhiyaora Sumadhiya
molybdenum metal
26930 76015
5.5.14 Level Energy 14
ora Sumadhiyaora Sumadhiya
molybdenum metal
29196 86450
5.5.15 Level Energy 15
ora Sumadhiyaora Sumadhiya
Manganese metal
41987 97510
5.5.16 Level Energy 16
ora Sumadhiyaora Sumadhiya
Iron metal
47206 109480
5.5.17 Level Energy 17
ora Sumadhiyaora Sumadhiya
kobalt metal
52737 122200
5.5.18 Level Energy 18
ora Sumadhiyaora Sumadhiya
Nickel metal
58570 134810
5.5.19 Level Energy 19
ora Sumadhiyaora Sumadhiya
tembaga metal
64702 148700
5.5.20 Level Energy 20
ora Sumadhiyaora Sumadhiya
molybdenum metal
80400 171200
5.5.21 Level Energy 21
ora Sumadhiyaora Sumadhiya
molybdenum metal
87000 179100
5.5.22 Level Energy 22
ora Sumadhiyaora Sumadhiya
molybdenum metal
93400 184900
5.5.23 Level Energy 23rd
ora Sumadhiyaora Sumadhiya
molybdenum metal
98420 198800
5.5.24 Level Energy 24
ora Sumadhiyaora Sumadhiya
molybdenum metal
104400 195200
5.5.25 Level Energy 25th
ora Sumadhiyaora Sumadhiya
molybdenum metal
121900 121900
5.5.26 Level Energy 26th
ora Sumadhiyaora Sumadhiya
molybdenum metal
127700 127700
5.5.27 Level Energy 27th
ora Sumadhiyaora Sumadhiya
molybdenum metal
133800 133800
5.5.28 Level Energy 28th
ora Sumadhiyaora Sumadhiya
molybdenum metal
139800 139800
5.5.29 Level Energy 29
ora Sumadhiyaora Sumadhiya
molybdenum metal
148100 148100
5.5.30 Level Energy 30
ora Sumadhiyaora Sumadhiya
molybdenum metal
154500 154500
5.6 padha karo elektrokimia
2.02 g / amp-day1.75 g / amp-day
Beryllium metal
0.16812 8.3209
5.7 Fungsi Work elektron
ora Sumadhiya2.70 eV
sesium metal
2.14 5.65
5.8 Properties Kimia liyane
Kimia Stabilitas, anti Corrosion, ionisasi, Isotop radioaktif, kelarutan
anti Corrosion, ionisasi, Isotop radioaktif
6 atom
6.1 Panggil atom
6759
lithium metal
3 117
6.2 Konfigurasi elektron
[Xe] 4F 11 6s 2
[Xe] 4F 3 6s 2
6.3 Struktur Crystal
Hexagonal Tutup dikempalken (HCP)
Hexagonal Tutup dikempalken (HCP)
6.3.1 Crystal pola
6.4 atom
6.4.1 Jumlah proton
6759
lithium metal
3 117
1.2.1 Jumlah Neutron
9882
lithium metal
4 184
1.3.1 Jumlah Èlèktron
6759
lithium metal
3 117
1.9 Radius saka Atom
1.9.1 Radius atom
176.00 pm182.00 pm
Beryllium metal
112 265
2.4.2 kovalen Radius
192.00 pm203.00 pm
Beryllium metal
96 260
2.4.4 Van der Waals Radius
216.00 pm239.00 pm
seng metal
139 348
2.5 Bobot atom
164.93 Amu140.91 Amu
lithium metal
6.94 294
2.6 Volume atom
18.70 cm3 / mol20.80 cm3 / mol
Manganese metal
1.39 71.07
2.7 Nomer atom jejer
2.7.1 unsur Previous
2.7.2 Sabanjure unsur
2.8 Potensi Valence Electron
47.90 (-eV)42.64 (-eV)
Francium metal
8 392.42
3.3 Constant pola
357.73 pm367.25 pm
Beryllium metal
228.58 891.25
3.4 pola Angles
π/2, π/2, 2 π/3
π/2, π/2, 2 π/3
3.5 Pola C / A rasio
1.571.61
Beryllium metal
1.567 1.886
5 Teknik
5.1 Kapadhetan
5.1.1 Kapadhetan Ing suhu kamar
8.79 g / cm 36.77 g / cm 3
lithium metal
0.534 40.7
5.2.1 Kapadhetan Nalika Liquid (ing mp)
8.34 g / cm36.50 g / cm3
lithium metal
0.512 20
5.5 Strength tensile
ora Sumadhiyaora Sumadhiya
Indium metal
2.5 11000
5.6 viskositas
ora Sumadhiyaora Sumadhiya
Mercury metal
0.001526 0.001526
5.8 meksa beluk
5.8.1 Meksa beluk ing 1000 K
0.00 (Pa)0.00 (Pa)
cerium metal
2.47E-11 121
5.9.2 Meksa beluk ing 2000 K
ora Sumadhiya13.20 (Pa)
tungsten metal
2.62E-10 774
5.10 situs kelenturan
5.10.1 nyukur pengaturan
26.30 GPA14.80 GPA
kalium metal
1.3 222
6.3.2 pengaturan akeh
40.20 GPA28.80 GPA
sesium metal
1.6 462
6.3.4 Young kang pengaturan
64.80 GPA37.30 GPA
sesium metal
1.7 528
6.4 Poisson rasio
0.230.28
Beryllium metal
0.032 0.47
6.5 Properties Teknik liyane
ductile, malleable, Sectile
ductile, malleable
7 Magnetic
7.1 Ciri Magnetic
7.1.1 Gravitasi tartamtu
8.806.77
lithium metal
0.53 4500
7.2.2 Nindakake Magnetic
paramagnetic
paramagnetic
7.2.3 permeabilitas
ora Sumadhiyaora Sumadhiya
Bismuth metal
1.25643E-06 0.0063
7.3.2 kelemahan
ora Sumadhiyaora Sumadhiya
Bismuth metal
-0.000166 200000
7.4 Properties Listrik
7.4.1 Property Listrik
Arman
Arman
7.4.2 resistivity
814.00 nΩ · m0.70 nΩ · m
Thallium metal
0.18 961
7.4.5 konduktivitas listrik
0.01 10 6 / cm Ω0.01 10 6 / cm Ω
plutonium metal
0.00666 0.63
7.4.8 elektron Affinity
50.00 kJ / mol50.00 kJ / mol
Mercury metal
0 222.8
8 termal
8.1 Kalor tartamtu
0.16 J / (kg K)0.19 J / (kg K)
americium metal
0.11 3.6
8.2 Graham Kapasitas kalor
27.15 J / mol · K27.20 J / mol · K
Beryllium metal
16.443 62.7
8.3 doyo termal
16.20 W / m · K12.50 W / m · K
neptunium metal
6.3 429
8.4 suhu kritis
ora Sumadhiyaora Sumadhiya
ytterbium metal
26.3 3223
8.5 Expansion termal
11.20 μm / (m · K)6.70 μm / (m · K)
tungsten metal
4.5 97
8.6 enthalpy
8.6.1 Enthalpy panguapan
241.00 kJ / mol296.80 kJ / mol
seng metal
7.32 799.1
8.6.4 Enthalpy saka Fusion
11.76 kJ / mol6.89 kJ / mol
sesium metal
2.1 35.23
8.6.7 Enthalpy saka atomization
301.00 kJ / mol368.00 kJ / mol
Mercury metal
61.5 837
8.7 Standard molar Entropy
75.30 J / mol.K73.20 J / mol.K
Beryllium metal
9.5 198.1