Holmium mungsuh Nobelium
Tabel périodik
Symbol
Ho
No
Panggil Group
ora Sumadhiya
ora Sumadhiya
Panggil periode
6
7
Block
pemblokiran f
pemblokiran f
Family unsur
lanthanide
actinide
CAS Number
7440600
29
10028145
16
Jeneng papan Group
P63 / mmc
ora Sumadhiya
Space Group Number
194.00
5
ora Sumadhiya
facts
Facts Interesting
- metal Holmium sanget alus lan malleable.
- metal Holmium uga dikenal kanggo resistivity sawijining karat.
- Isotop kang paling stabil saka logam Nobelium punika No-259.
- Ora-259 wis setengah gesang sèket wolu menit.
sumber
Found in Minerals, Mining, Ores saka Minerals
Némbakaké Curium-246 utawa Curium-249 karo Carbon-12 inti, Found in Minerals, Mining
History
sing katutup
Marc Delafontaine
Joint Institute for Nuclear Research
Discovery
ing taun 1878
ing taun 1966
turah mbrawah
Turah mbrawah Ing Universe
5 * 10-8 %
27
ora Sumadhiya
Turah mbrawah Ing meteorit
0.00 %
99+
ora Sumadhiya
Turah mbrawah Ing bumi lemah ndhuwur
0.00 %
38
ora Sumadhiya
Turah mbrawah Ing Segara
0.00 %
99+
ora Sumadhiya
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.
- Efesus saiki dikenal saka logam Nobelium sing winates kanggo riset waé mung.
Ulah Industrial
NA
NA
Ulah Medical
NA
NA
Ulah liyane
wesi, Nuclear Riset
tujuan Research
Properties biologi
keracunan
Low Toxic
Unknown
Saiki ing badan Human
Ora
Ora
Sang
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0.00 Sang / mg dm-3
37
ing Bone
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0.00 ppm
36
fisik Properties
leleh Point
1,461.00 ° C
30
827.00 ° C
99+
Boiling Point
2,600.00 ° C
99+
ora Sumadhiya
katon
State fisik
Solid
Solid
warna
perak Putih
Unknown
luster
metallic
Unknown Luster
atose
Brinell atose
746.00 MPa
13
ora Sumadhiya
Vickers atose
481.00 MPa
23
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Kacepetan swara
2,760.00 m / s
30
ora Sumadhiya
Properties Optical
allotropes
Ora
Ora
α allotropes
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β allotropes
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γ allotropes
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Kimia Properties
Formula Kimia
Ho
No
isotop
Isotop dikenal
34
5
13
26
keelektronegatifan
Pauling Elektronegativitas
1.23
37
1.30
32
Allred Rochow Elektronegativitas
1.10
30
1.20
27
Electropositivity
Pauling Electropositivity
2.77
17
2.70
22
tenogo ionisasi
Level Energy 1st
581.00 kJ / mol
99+
642.00 kJ / mol
99+
Level Energy 2
1,140.00 kJ / mol
99+
1,254.00 kJ / mol
99+
Level Energy 3rd
2,204.00 kJ / mol
99+
2,643.00 kJ / mol
99+
Level Energy 4
4,100.00 kJ / mol
34
3,956.00 kJ / mol
39
padha karo elektrokimia
2.02 g / amp-day
29
4.83 g / amp-day
4
Fungsi Work elektron
ora Sumadhiya
ora Sumadhiya
Properties Kimia liyane
Kimia Stabilitas, anti Corrosion, ionisasi, Isotop radioaktif, kelarutan
ionisasi, Isotop radioaktif, Radioaktif
atom Properties
Panggil atom
67
99+
102
16
Konfigurasi elektron
[Xe] 4F 11 6s 2
[Rn] 5F 14 7s 2
Struktur Crystal
Hexagonal Tutup dikempalken (HCP)
ora Lake
Crystal pola
HCP-Crystal-Structure-of-Holmium.jpg#100
Unknown-Crystal-Structure-of-Nobelium.jpg#100
atom
Jumlah proton
67
99+
102
16
Jumlah Neutron
98
34
157
7
Jumlah Èlèktron
67
99+
102
16
Radius saka Atom
Radius atom
176.00 pm
18
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kovalen Radius
192.00 pm
17
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Van der Waals Radius
216.00 pm
24
246.00 pm
8
Bobot atom
164.93 Amu
99+
259.00 Amu
13
Volume atom
18.70 cm3 / mol
24
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Nomer atom jejer
Potensi Valence Electron
47.90 (-eV)
31
26.00 (-eV)
99+
Constant pola
357.73 pm
38
ora Sumadhiya
pola Angles
π/2, π/2, 2 π/3
NA
Pola C / A rasio
1.57
17
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Teknik Properties
Kapadhetan
Kapadhetan Ing suhu kamar
8.79 g / cm 3
99+
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Kapadhetan Nalika Liquid (ing mp)
8.34 g / cm3
26
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Strength tensile
ora Sumadhiya
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viskositas
ora Sumadhiya
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meksa beluk
Meksa beluk ing 1000 K
0.00 (Pa)
16
ora Sumadhiya
situs kelenturan
nyukur pengaturan
26.30 GPA
28
ora Sumadhiya
pengaturan akeh
40.20 GPA
32
ora Sumadhiya
Young kang pengaturan
64.80 GPA
31
ora Sumadhiya
Poisson rasio
0.23
29
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Properties Teknik liyane
ductile, malleable, Sectile
Unknown
Magnetic Properties
Ciri Magnetic
Gravitasi tartamtu
8.80
35
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Nindakake Magnetic
paramagnetic
Unknown
Properties Listrik
Property Listrik
Arman
Unknown
resistivity
814.00 nΩ · m
4
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konduktivitas listrik
0.01 10 6 / cm Ω
99+
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elektron Affinity
50.00 kJ / mol
21
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termal Properties
Kalor tartamtu
0.16 J / (kg K)
35
ora Sumadhiya
Graham Kapasitas kalor
27.15 J / mol · K
19
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doyo termal
16.20 W / m · K
99+
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suhu kritis
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Expansion termal
11.20 μm / (m · K)
35
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enthalpy
Enthalpy panguapan
241.00 kJ / mol
38
ora Sumadhiya
Enthalpy saka Fusion
11.76 kJ / mol
29
ora Sumadhiya
Enthalpy saka atomization
301.00 kJ / mol
36
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Standard molar Entropy
75.30 J / mol.K
8
ora Sumadhiya
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