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