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Holmium metal
Holmium


Tabel périodik
Symbol
Ho
Panggil Group
3 15
Panggil periode
6 2
Block
pemblokiran f
Family unsur
lanthanide
CAS Number
7440600 29
Jeneng papan Group
P63 / mmc
Space Group Number
194.00 7
facts
Facts Interesting
  • metal Holmium sanget alus lan malleable.
  • metal Holmium uga dikenal kanggo resistivity sawijining karat.
sumber
Found in Minerals, Mining, Ores saka Minerals
History
sing katutup
Marc Delafontaine
Discovery
ing taun 1878
turah mbrawah
Turah mbrawah Ing Universe
0.00 % 28
Turah mbrawah Ing Sun
-
Turah mbrawah Ing meteorit
0.00 % 43
Turah mbrawah Ing bumi lemah ndhuwur
0.00 % 38
Turah mbrawah Ing Segara
0.00 % 41
Turah mbrawah Ing Manungsa
0.00 % 24
ulah
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.
Ulah Industrial
-
Ulah Medical
-
Ulah liyane
wesi, Nuclear Riset
Properties biologi
keracunan
Low Toxic
Saiki ing badan Human
Ora
Sang
0.00 Sang / mg dm-3 40
ing Bone
0.00 ppm 41
fisik
leleh Point
1,461.00 ° C 30
Boiling Point
2,600.00 ° C 44
katon
State fisik
Solid
warna
perak Putih
luster
metallic
atose
Mohs atose
4.00 11
Brinell atose
746.00 MPa 14
Vickers atose
481.00 MPa 36
Kacepetan swara
2,760.00 m / s 43
Properties Optical
bias Index
1.67 29
reflectivity
67.00 % 16
allotropes
Ora
α allotropes
-
β allotropes
-
γ allotropes
-
Kimia
Formula Kimia
Ho
isotop
Isotop dikenal
34 5
keelektronegatifan
Pauling Elektronegativitas
1.23 38
Sanderson Elektronegativitas
1.23 30
Allred Rochow Elektronegativitas
1.10 31
Mulliken-Jaffe Elektronegativitas
1.23 37
Allen Elektronegativitas
1.23 46
Electropositivity
Pauling Electropositivity
2.77 17
tenogo ionisasi
Level Energy 1st
581.00 kJ / mol 62
Level Energy 2
1,140.00 kJ / mol 71
Level Energy 3rd
2,204.00 kJ / mol 66
Level Energy 4
4,100.00 kJ / mol 44
Level Energy 5th
5,810.00 kJ / mol 54
Level Energy 6th
5,810.00 kJ / mol 67
tingkat Energy 7
5,810.00 kJ / mol 59
Level Energy 8
5,810.00 kJ / mol 57
Level Energy 9
6,500.00 kJ / mol 39
Level Energy 10th
6,500.00 kJ / mol 41
Level Energy 11
5,810.00 kJ / mol 62
Level Energy 12
5,810.00 kJ / mol 64
Level Energy 13
5,810.00 kJ / mol 51
Level Energy 14
5,810.00 kJ / mol 40
Level Energy 15
58,100.00 kJ / mol 52
Level Energy 16
581.00 kJ / mol 80
Level Energy 17
581.00 kJ / mol 63
Level Energy 18
5,810.00 kJ / mol 54
Level Energy 19
581.00 kJ / mol 61
Level Energy 20
581.00 kJ / mol 57
Level Energy 21
581.00 kJ / mol 70
Level Energy 22
581.00 kJ / mol 52
Level Energy 23rd
5,810.00 kJ / mol 20
Level Energy 24
581.00 kJ / mol 54
Level Energy 25th
581.00 kJ / mol 56
Level Energy 26th
581.00 kJ / mol 59
Level Energy 27th
584.70 kJ / mol 56
Level Energy 28th
581.00 kJ / mol 61
Level Energy 29
584.70 kJ / mol 61
Level Energy 30
581.00 kJ / mol 59
padha karo elektrokimia
2.02 g / amp-day 33
Fungsi Work elektron
4.90 eV 12
Properties Kimia liyane
Kimia Stabilitas, anti Corrosion, ionisasi, Isotop radioaktif, kelarutan
atom
Panggil atom
67 49
Konfigurasi elektron
[Xe] 4F 11 6s 2
Struktur Crystal
Hexagonal Tutup dikempalken (HCP)
Crystal pola
HCP-Crystal-Structure-of-Holmium.jpg#100
atom
Jumlah proton
67 48
Jumlah Neutron
98 35
Jumlah Èlèktron
67 48
Radius saka Atom
Radius atom
176.00 pm 20
kovalen Radius
192.00 pm 17
Van der Waals Radius
216.00 pm 30
Bobot atom
164.93 Amu 44
Volume atom
18.70 cm3 / mol 36
Nomer atom jejer
unsur Previous
78
Sabanjure unsur
48
Potensi Valence Electron
47.90 (-eV) 32
Constant pola
357.73 pm 42
pola Angles
π/2, π/2, 2 π/3
Pola C / A rasio
1.57 40
Teknik
Kapadhetan
Kapadhetan Ing suhu kamar
8.79 g / cm 3 51
Kapadhetan Nalika Liquid (ing mp)
8.34 g / cm3 53
Strength tensile
270.00 MPa 17
viskositas
0.00 25
meksa beluk
Meksa beluk ing 1000 K
0.00 (Pa) 17
Meksa beluk ing 2000 K
0.00 (Pa) 30
situs kelenturan
nyukur pengaturan
26.30 GPA 35
pengaturan akeh
40.20 GPA 37
Young kang pengaturan
64.80 GPA 33
Poisson rasio
0.23 29
Properties Teknik liyane
ductile, malleable, Sectile
Magnetic
Ciri Magnetic
Gravitasi tartamtu
8.80 51
Nindakake Magnetic
paramagnetic
permeabilitas
0.00 H / m 7
kelemahan
0.00 11
Properties Listrik
Property Listrik
Arman
resistivity
814.00 nΩ · m 4
konduktivitas listrik
0.01 10 6 / cm Ω 57
elektron Affinity
50.00 kJ / mol 26
termal
Kalor tartamtu
0.16 J / (kg K) 36
Graham Kapasitas kalor
27.15 J / mol · K 25
doyo termal
16.20 W / m · K 53
suhu kritis
1,747.00 K 34
Expansion termal
11.20 μm / (m · K) 48
enthalpy
Enthalpy panguapan
241.00 kJ / mol 59
Enthalpy saka Fusion
11.76 kJ / mol 35
Enthalpy saka atomization
301.00 kJ / mol 47
Standard molar Entropy
75.30 J / mol.K 8
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