Symbol
Ho
Th
Panggil Group
30
0
17
👆🏻
Panggil periode
67
2
7
👆🏻
Block
pemblokiran f
pemblokiran f
Family unsur
lanthanide
actinide
CAS Number
74406007440326
7429905
54386242
👆🏻
Jeneng papan Group
P63 / mmc
P63 / mmc
Space Group Number
194.00194.00
11
276
👆🏻
Facts Interesting
- metal Holmium sanget alus lan malleable.
- metal Holmium uga dikenal kanggo resistivity sawijining karat.
- metal Thorium digunakake minangka pilihan sulih liwat Uranium kanggo bahan bakar nuklir.
- Thorium logam katon (putih, alus) iku kaya-kaya padha Lead logam.
sumber
Found in Minerals, Mining, Ores saka Minerals
Found in Minerals, Mining
History
sing katutup
Marc Delafontaine
Jöns Jakob Berzelius
Discovery
ing taun 1878
ing 1829
turah mbrawah
Turah mbrawah Ing Universe
0.00 %0.00 %
0
0.11
👆🏻
Turah mbrawah Ing Sun
-0.00 %
0
0.1
👆🏻
Turah mbrawah Ing meteorit
0.00 %0.05 %
0
22
👆🏻
Turah mbrawah Ing bumi lemah ndhuwur
0.00 %0.66 %
1E-37
8.1
👆🏻
Turah mbrawah Ing Segara
0.00 %0.00 %
0
1.1
👆🏻
Turah mbrawah Ing Manungsa
0.00 %0.00 %
0
1.4
👆🏻
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.
- metal Thorium digunakake minangka agen allying kanggo Magnesium, Iku imparts kekuatan luwih lan resistance kanggo suhu.
- senyawa saka logam Thorium oxide digunakake minangka katalis industri.
Ulah Industrial
-
Industry Aerospace, Industry automobile, Industri Kimia, Industry Listrik, Industry Elektronik
Ulah Medical
-
Dentistry, Surgical Instruments Manufacturing
Ulah liyane
wesi, Nuclear Riset
wesi, Jewellery, patung, Statues
Properties biologi
keracunan
Low Toxic
non Toxic
Saiki ing badan Human
Ora
Ya
Sang
0.00 Sang / mg dm-30.00 Sang / mg dm-3
0
1970
👆🏻
ing Bone
0.00 ppm0.02 ppm
0
170000
👆🏻
leleh Point
1,461.00 ° C1,750.00 ° C
-38.83
3410
👆🏻
Boiling Point
2,600.00 ° C4,790.00 ° C
0
5660
👆🏻
katon
State fisik
Solid
Solid
warna
perak Putih
Silver
luster
metallic
-
atose
Mohs atose
4.003.00
0.2
8.5
👆🏻
Brinell atose
746.00 MPa390.00 MPa
0.14
3490
👆🏻
Vickers atose
481.00 MPa295.00 MPa
0
3920
👆🏻
Kacepetan swara
2,760.00 m / s2,490.00 m / s
818
16200
👆🏻
Properties Optical
bias Index
1.671.60
0.155
3.41
👆🏻
reflectivity
67.00 %15.00 %
5
97
👆🏻
allotropes
Ora
Ora
α allotropes
-
-
β allotropes
-
-
γ allotropes
-
-
Formula Kimia
Ho
Th
isotop
Isotop dikenal
3428
0
38
👆🏻
keelektronegatifan
Pauling Elektronegativitas
1.231.30
0
2.6
👆🏻
Sanderson Elektronegativitas
1.231.30
0.22
2.56
👆🏻
Allred Rochow Elektronegativitas
1.101.11
0.86
1.9
👆🏻
Mulliken-Jaffe Elektronegativitas
1.231.30
0.62
2.48
👆🏻
Allen Elektronegativitas
1.231.30
0.659
2.7
👆🏻
Electropositivity
Pauling Electropositivity
2.772.70
1.46
3.3
👆🏻
tenogo ionisasi
Level Energy 1st
581.00 kJ / mol587.00 kJ / mol
375.7
26130
👆🏻
Level Energy 2
1,140.00 kJ / mol1,110.00 kJ / mol
392.8
28750
👆🏻
Level Energy 3rd
2,204.00 kJ / mol1,978.00 kJ / mol
392.8
34230
👆🏻
Level Energy 4
4,100.00 kJ / mol2,780.00 kJ / mol
375.7
37066
👆🏻
Level Energy 5th
5,810.00 kJ / mol5,870.00 kJ / mol
392
97510
👆🏻
Level Energy 6th
5,810.00 kJ / mol5,870.00 kJ / mol
1007
105800
👆🏻
tingkat Energy 7
5,810.00 kJ / mol5,870.00 kJ / mol
1007
114300
👆🏻
Level Energy 8
5,810.00 kJ / mol5,870.00 kJ / mol
730
125300
👆🏻
Level Energy 9
6,500.00 kJ / mol5,870.00 kJ / mol
1007
134700
👆🏻
Level Energy 10th
6,500.00 kJ / mol5,870.00 kJ / mol
392
144300
👆🏻
Level Energy 11
5,810.00 kJ / mol5,870.00 kJ / mol
392
169988
👆🏻
Level Energy 12
5,810.00 kJ / mol5,870.00 kJ / mol
0
189368
👆🏻
Level Energy 13
5,810.00 kJ / mol5,870.00 kJ / mol
1007
76015
👆🏻
Level Energy 14
5,810.00 kJ / mol5,870.00 kJ / mol
380
86450
👆🏻
Level Energy 15
58,100.00 kJ / mol58,700.00 kJ / mol
33000
100700
👆🏻
Level Energy 16
581.00 kJ / mol58,700.00 kJ / mol
375.7
109480
👆🏻
Level Energy 17
581.00 kJ / mol587.40 kJ / mol
375.7
122200
👆🏻
Level Energy 18
5,810.00 kJ / mol5,870.00 kJ / mol
0
134810
👆🏻
Level Energy 19
581.00 kJ / mol587.00 kJ / mol
375.7
148700
👆🏻
Level Energy 20
581.00 kJ / mol587.00 kJ / mol
0
171200
👆🏻
Level Energy 21
581.00 kJ / mol587.00 kJ / mol
375.7
179100
👆🏻
Level Energy 22
581.00 kJ / mol587.00 kJ / mol
330
184900
👆🏻
Level Energy 23rd
5,810.00 kJ / mol587.00 kJ / mol
357.6
198800
👆🏻
Level Energy 24
581.00 kJ / mol587.00 kJ / mol
297.3
195200
👆🏻
Level Energy 25th
581.00 kJ / mol587.00 kJ / mol
0
121900
👆🏻
Level Energy 26th
581.00 kJ / mol587.40 kJ / mol
357.6
127700
👆🏻
Level Energy 27th
584.70 kJ / mol587.40 kJ / mol
0
133800
👆🏻
Level Energy 28th
581.00 kJ / mol587.40 kJ / mol
297.3
139800
👆🏻
Level Energy 29
584.70 kJ / mol587.00 kJ / mol
0
148100
👆🏻
Level Energy 30
581.00 kJ / mol587.40 kJ / mol
0
154500
👆🏻
padha karo elektrokimia
2.02 g / amp-day2.16 g / amp-day
0.16812
8.3209
👆🏻
Fungsi Work elektron
4.90 eV3.41 eV
2.14
6
👆🏻
Properties Kimia liyane
Kimia Stabilitas, anti Corrosion, ionisasi, Isotop radioaktif, kelarutan
Corrosion, ionisasi, Isotop radioaktif, Radioaktif
Panggil atom
6790
3
117
👆🏻
Konfigurasi elektron
[Xe] 4F 11 6s 2
[Rn] 6D 2 7s 2
Struktur Crystal
Hexagonal Tutup dikempalken (HCP)
Face tengah kubik (FCC)
Crystal pola
atom
Jumlah proton
6790
3
117
👆🏻
Jumlah Neutron
98142
4
285
👆🏻
Jumlah Èlèktron
6790
3
117
👆🏻
Radius saka Atom
Radius atom
176.00 pm179.80 pm
0
348
👆🏻
kovalen Radius
192.00 pm206.00 pm
0
260
👆🏻
Van der Waals Radius
216.00 pm237.00 pm
0
348
👆🏻
Bobot atom
164.93 Amu232.04 Amu
6.94
294
👆🏻
Volume atom
18.70 cm3 / mol19.90 cm3 / mol
1.39
71.07
👆🏻
Nomer atom jejer
unsur Previous
Sabanjure unsur
Potensi Valence Electron
47.90 (-eV)59.30 (-eV)
0
392.42
👆🏻
Constant pola
357.73 pm508.42 pm
0
891.25
👆🏻
pola Angles
π/2, π/2, 2 π/3
π/2, π/2, π/2
Pola C / A rasio
1.571.10
0.423
1.9
👆🏻
Kapadhetan
Kapadhetan Ing suhu kamar
8.79 g / cm 311.72 g / cm 3
0.534
40.7
👆🏻
Kapadhetan Nalika Liquid (ing mp)
8.34 g / cm311.72 g / cm3
0.512
41
👆🏻
Strength tensile
270.00 MPa75.00 MPa
0.1
11000
👆🏻
viskositas
0.000.00
1.5E-05
0.0035
👆🏻
meksa beluk
Meksa beluk ing 1000 K
0.00 (Pa)0.00 (Pa)
0
121
👆🏻
Meksa beluk ing 2000 K
0.00 (Pa)0.00 (Pa)
0
774
👆🏻
situs kelenturan
nyukur pengaturan
26.30 GPA31.00 GPA
1.3
222
👆🏻
pengaturan akeh
40.20 GPA54.00 GPA
0
462
👆🏻
Young kang pengaturan
64.80 GPA79.00 GPA
0
528
👆🏻
Poisson rasio
0.230.27
0.032
0.47
👆🏻
Properties Teknik liyane
ductile, malleable, Sectile
ductile
Ciri Magnetic
Gravitasi tartamtu
8.8011.70
0.53
4500
👆🏻
Nindakake Magnetic
paramagnetic
paramagnetic
permeabilitas
0.00 H / m0.00 H / m
1.25643E-06
0.0063
👆🏻
kelemahan
0.000.00
-0.000166
200000
👆🏻
Properties Listrik
Property Listrik
Arman
superconductor
resistivity
814.00 nΩ · m157.00 nΩ · m
0.1
961
👆🏻
konduktivitas listrik
0.01 10 6 / cm Ω0.07 10 6 / cm Ω
0
0.63
👆🏻
elektron Affinity
50.00 kJ / mol0.00 kJ / mol
0
222.8
👆🏻
Kalor tartamtu
0.16 J / (kg K)0.12 J / (kg K)
0.1
3.6
👆🏻
Graham Kapasitas kalor
27.15 J / mol · K26.23 J / mol · K
13.1
62.7
👆🏻
doyo termal
16.20 W / m · K54.00 W / m · K
0
429
👆🏻
suhu kritis
1,747.00 K2,023.00 K
26.3
3695
👆🏻
Expansion termal
11.20 μm / (m · K)11.00 μm / (m · K)
4.5
97
👆🏻
enthalpy
Enthalpy panguapan
241.00 kJ / mol429.00 kJ / mol
7.32
799.1
👆🏻
Enthalpy saka Fusion
11.76 kJ / mol15.48 kJ / mol
2.1
35.23
👆🏻
Enthalpy saka atomization
301.00 kJ / mol468.60 kJ / mol
61.5
837
👆🏻
Standard molar Entropy
75.30 J / mol.K27.30 J / mol.K
9.5
198.1
👆🏻