mbandhingaké Holmium lan uranium
Tabel périodik
Symbol
Ho
U
Panggil Group
ora Sumadhiya
0
18
Panggil periode
6
7
Block
pemblokiran f
pemblokiran f
Family unsur
lanthanide
actinide
CAS Number
7440600
29
7440611
28
Jeneng papan Group
P63 / mmc
Cmcm
Space Group Number
194.00
5
63.00
10
facts
Facts Interesting
- metal Holmium sanget alus lan malleable.
- metal Holmium uga dikenal kanggo resistivity sawijining karat.
- negara mining utama saka Uranium kalebu Rusia, Australia, Namibia, Kanada lan Niger lan total 33% Uranium sing mine ing Kazakhstan.
sumber
Found in Minerals, Mining, Ores saka Minerals
bumi lemah ndhuwur, Mining, Ores saka Minerals
History
sing katutup
Marc Delafontaine
Not Available
Discovery
ing taun 1878
ing taun 1789
turah mbrawah
Turah mbrawah Ing Universe
5 * 10-8 %
27
2 * 10-8 %
29
Turah mbrawah Ing Sun
~-9999 %
~0.0000001 %
26
Turah mbrawah Ing meteorit
0.00 %
99+
0.00 %
99+
Turah mbrawah Ing bumi lemah ndhuwur
0.00 %
38
0.00 %
36
Turah mbrawah Ing Segara
0.00 %
99+
0.00 %
11
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.
- Gunakake utama saka logam kalebu bahan bakar nuklir kang digunakake kanggo generate yin listrik stasiun daya nuklir.
- unsur sintetis kaya transuranium sing digawe saka logam Uranium.
Ulah Industrial
NA
Industry amunisi, Industri Kimia
Ulah Medical
NA
NA
Ulah liyane
wesi, Nuclear Riset
wesi, Jewellery, Bahan bakar nuklir reaktor kang, patung, Statues
Properties biologi
keracunan
Low Toxic
Toxic
Saiki ing badan Human
Ora
Ora
fisik Properties
leleh Point
1,461.00 ° C
30
1,132.00 ° C
39
Boiling Point
2,600.00 ° C
99+
3,818.00 ° C
16
katon
State fisik
Solid
Solid
warna
perak Putih
perak Gray
luster
metallic
metallic
atose
Mohs atose
ora Sumadhiya
6.00
6
Brinell atose
746.00 MPa
13
2,350.00 MPa
2
Vickers atose
481.00 MPa
23
1,960.00 MPa
2
Kacepetan swara
2,760.00 m / s
30
3,155.00 m / s
25
Properties Optical
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
Ho
U
isotop
Isotop dikenal
34
5
25
14
keelektronegatifan
Pauling Elektronegativitas
1.23
37
1.38
28
Allred Rochow Elektronegativitas
1.10
30
1.22
26
Electropositivity
Pauling Electropositivity
2.77
17
2.62
26
tenogo ionisasi
Level Energy 1st
581.00 kJ / mol
99+
597.60 kJ / mol
99+
Level Energy 2
1,140.00 kJ / mol
99+
1,420.00 kJ / mol
99+
Level Energy 3rd
2,204.00 kJ / mol
99+
1,900.00 kJ / mol
99+
Level Energy 4
4,100.00 kJ / mol
34
3,145.00 kJ / mol
99+
padha karo elektrokimia
2.02 g / amp-day
29
1.48 g / amp-day
99+
Fungsi Work elektron
ora Sumadhiya
3.63 eV
30
Properties Kimia liyane
Kimia Stabilitas, anti Corrosion, ionisasi, Isotop radioaktif, kelarutan
ionisasi, Isotop radioaktif, Radioaktif
atom Properties
Panggil atom
67
99+
92
26
Konfigurasi elektron
[Xe] 4F 11 6s 2
[Rn] 5F 3 6D 1 7s 2
Struktur Crystal
Hexagonal Tutup dikempalken (HCP)
Orthorhombic (Orth)
Crystal pola
HCP-Crystal-Structure-of-Holmium.jpg#100
ORTH-Crystal-Structure-of-Uranium.jpg#100
atom
Jumlah proton
67
99+
92
26
Jumlah Neutron
98
34
146
13
Jumlah Èlèktron
67
99+
92
26
Radius saka Atom
Radius atom
176.00 pm
18
156.00 pm
29
kovalen Radius
192.00 pm
17
196.00 pm
14
Van der Waals Radius
216.00 pm
24
186.00 pm
33
Bobot atom
164.93 Amu
99+
238.03 Amu
21
Volume atom
18.70 cm3 / mol
24
12.59 cm3 / mol
40
Nomer atom jejer
Potensi Valence Electron
47.90 (-eV)
31
170.00 (-eV)
4
Constant pola
357.73 pm
38
295.08 pm
99+
pola Angles
π/2, π/2, 2 π/3
π/2, π/2, π/2
Pola C / A rasio
1.57
17
ora Sumadhiya
Teknik Properties
Kapadhetan
Kapadhetan Ing suhu kamar
8.79 g / cm 3
99+
19.10 g / cm 3
17
Kapadhetan Nalika Liquid (ing mp)
8.34 g / cm3
26
17.30 g / cm3
7
Strength tensile
ora Sumadhiya
ora Sumadhiya
viskositas
ora Sumadhiya
ora Sumadhiya
meksa beluk
Meksa beluk ing 1000 K
0.00 (Pa)
16
ora Sumadhiya
Meksa beluk ing 2000 K
ora Sumadhiya
0.01 (Pa)
20
situs kelenturan
nyukur pengaturan
26.30 GPA
28
111.00 GPA
10
pengaturan akeh
40.20 GPA
32
100.00 GPA
16
Young kang pengaturan
64.80 GPA
31
208.00 GPA
10
Poisson rasio
0.23
29
0.23
30
Properties Teknik liyane
ductile, malleable, Sectile
ductile, malleable
Magnetic Properties
Ciri Magnetic
Gravitasi tartamtu
8.80
35
18.80
10
Nindakake Magnetic
paramagnetic
paramagnetic
Properties Listrik
Property Listrik
Arman
Arman miskin
resistivity
814.00 nΩ · m
4
0.28 nΩ · m
99+
konduktivitas listrik
0.01 10 6 / cm Ω
99+
0.04 10 6 / cm Ω
37
elektron Affinity
50.00 kJ / mol
21
ora Sumadhiya
termal Properties
Kalor tartamtu
0.16 J / (kg K)
35
0.12 J / (kg K)
40
Graham Kapasitas kalor
27.15 J / mol · K
19
27.67 J / mol · K
15
doyo termal
16.20 W / m · K
99+
27.50 W / m · K
40
suhu kritis
ora Sumadhiya
ora Sumadhiya
Expansion termal
11.20 μm / (m · K)
35
13.90 μm / (m · K)
27
enthalpy
Enthalpy panguapan
241.00 kJ / mol
38
477.00 kJ / mol
13
Enthalpy saka Fusion
11.76 kJ / mol
29
15.48 kJ / mol
19
Enthalpy saka atomization
301.00 kJ / mol
36
489.50 kJ / mol
14
Standard molar Entropy
75.30 J / mol.K
8
50.20 J / mol.K
31
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