uranium mungsuh Holmium
Tabel périodik
Symbol
Ru
Ho
Panggil Group
8
10
ora Sumadhiya
Panggil periode
5
6
Block
d block
pemblokiran f
Family unsur
transisi Metal
lanthanide
CAS Number
7440188
99+
7440600
29
Jeneng papan Group
P63 / mmc
P63 / mmc
Space Group Number
194.00
5
194.00
5
facts
Facts Interesting
- unsur uranium wis dijupuk saka bahan bakar nuklir digunakake.
- Uranium logam uga mrodhuksi minangka dening-produk saka pertambangan Nickel.
- metal Holmium sanget alus lan malleable.
- metal Holmium uga dikenal kanggo resistivity sawijining karat.
sumber
Miturut-produk Nikel Nyaring panggolekan, Found in Minerals, Mining
Found in Minerals, Mining, Ores saka Minerals
History
sing katutup
Karl Ernst Claus
Marc Delafontaine
Discovery
ing taun 1844
ing taun 1878
turah mbrawah
Turah mbrawah Ing Universe
4 * 10-7 %
20
5 * 10-8 %
27
Turah mbrawah Ing Sun
~0.0000005 %
22
~-9999 %
Turah mbrawah Ing meteorit
0.00 %
26
0.00 %
99+
Turah mbrawah Ing bumi lemah ndhuwur
0.00 %
99+
0.00 %
38
Turah mbrawah Ing Segara
0.00 %
38
0.00 %
99+
ulah
Ulah lan Wuku
- Kang digunakake kanggo prodhuksi resistor chip lan kontak.
- Uranium oxide digunakake kanggo jas sel anodes kanggo produksi khlor ing industri kimia. Uga dianggo minangka katalis kanggo amonia lan reaksi asam asetat.
- 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 Aerospace, Industry automobile, Industri Kimia, Industry Listrik, Industry Elektronik
NA
Ulah Medical
Medical Research
NA
Ulah liyane
wesi
wesi, Nuclear Riset
Properties biologi
keracunan
Low Toxic
Low Toxic
Saiki ing badan Human
Ora
Ora
fisik Properties
leleh Point
2,250.00 ° C
8
1,461.00 ° C
30
Boiling Point
3,900.00 ° C
14
2,600.00 ° C
99+
katon
State fisik
Solid
Solid
warna
perak Putih
perak Putih
luster
metallic
metallic
atose
Mohs atose
6.50
5
ora Sumadhiya
Brinell atose
2,160.00 MPa
3
746.00 MPa
13
Vickers atose
ora Sumadhiya
481.00 MPa
23
Kacepetan swara
5,970.00 m / s
4
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
Ru
Ho
isotop
Isotop dikenal
26
13
34
5
keelektronegatifan
Pauling Elektronegativitas
2.20
4
1.23
37
Allred Rochow Elektronegativitas
1.42
18
1.10
30
Allen Elektronegativitas
1.54
25
ora Sumadhiya
Electropositivity
Pauling Electropositivity
1.80
99+
2.77
17
tenogo ionisasi
Level Energy 1st
710.20 kJ / mol
32
581.00 kJ / mol
99+
Level Energy 2
710.22 kJ / mol
99+
1,140.00 kJ / mol
99+
Level Energy 3rd
2,747.00 kJ / mol
37
2,204.00 kJ / mol
99+
Level Energy 4
ora Sumadhiya
4,100.00 kJ / mol
34
padha karo elektrokimia
1.26 g / amp-day
99+
2.02 g / amp-day
29
Fungsi Work elektron
4.71 eV
9
ora Sumadhiya
Properties Kimia liyane
anti Corrosion, ionisasi, Isotop radioaktif, kelarutan
Kimia Stabilitas, anti Corrosion, ionisasi, Isotop radioaktif, kelarutan
atom Properties
Panggil atom
44
99+
67
99+
Konfigurasi elektron
[Kr] 4d 7 5S 1
[Xe] 4F 11 6s 2
Struktur Crystal
Hexagonal Tutup dikempalken (HCP)
Hexagonal Tutup dikempalken (HCP)
Crystal pola
rystal-Structure-of-Ruthenium.jpg#100
HCP-Crystal-Structure-of-Holmium.jpg#100
atom
Jumlah proton
44
99+
67
99+
Jumlah Neutron
57
99+
98
34
Jumlah Èlèktron
44
99+
67
99+
Radius saka Atom
Radius atom
134.00 pm
99+
176.00 pm
18
kovalen Radius
146.00 pm
38
192.00 pm
17
Van der Waals Radius
200.00 pm
28
216.00 pm
24
Bobot atom
101.07 Amu
99+
164.93 Amu
99+
Volume atom
8.30 cm3 / mol
99+
18.70 cm3 / mol
24
Nomer atom jejer
Potensi Valence Electron
64.00 (-eV)
22
47.90 (-eV)
31
Constant pola
270.59 pm
99+
357.73 pm
38
pola Angles
π/2, π/2, 2 π/3
π/2, π/2, 2 π/3
Pola C / A rasio
1.58
11
1.57
17
Teknik Properties
Kapadhetan
Kapadhetan Ing suhu kamar
12.45 g / cm 3
27
8.79 g / cm 3
99+
Kapadhetan Nalika Liquid (ing mp)
10.65 g / cm3
16
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
0.00 (Pa)
23
ora Sumadhiya
situs kelenturan
nyukur pengaturan
173.00 GPA
4
26.30 GPA
28
pengaturan akeh
220.00 GPA
7
40.20 GPA
32
Young kang pengaturan
447.00 GPA
3
64.80 GPA
31
Poisson rasio
0.30
14
0.23
29
Properties Teknik liyane
ductile, malleable
ductile, malleable, Sectile
Magnetic Properties
Ciri Magnetic
Gravitasi tartamtu
12.45
19
8.80
35
Nindakake Magnetic
paramagnetic
paramagnetic
Properties Listrik
Property Listrik
Arman
Arman
resistivity
71.00 nΩ · m
38
814.00 nΩ · m
4
konduktivitas listrik
0.14 10 6 / cm Ω
16
0.01 10 6 / cm Ω
99+
elektron Affinity
101.30 kJ / mol
10
50.00 kJ / mol
21
termal Properties
Kalor tartamtu
0.24 J / (kg K)
24
0.16 J / (kg K)
35
Graham Kapasitas kalor
24.06 J / mol · K
99+
27.15 J / mol · K
19
doyo termal
117.00 W / m · K
13
16.20 W / m · K
99+
suhu kritis
ora Sumadhiya
ora Sumadhiya
Expansion termal
6.40 μm / (m · K)
99+
11.20 μm / (m · K)
35
enthalpy
Enthalpy panguapan
567.80 kJ / mol
10
241.00 kJ / mol
38
Enthalpy saka Fusion
25.50 kJ / mol
7
11.76 kJ / mol
29
Enthalpy saka atomization
603.00 kJ / mol
9
301.00 kJ / mol
36
Standard molar Entropy
28.50 J / mol.K
99+
75.30 J / mol.K
8
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