Holmium mungsuh Yttrium
Tabel périodik
Symbol
Ho
Y
Panggil Group
ora Sumadhiya
3
15
Panggil periode
6
5
Block
pemblokiran f
d block
Family unsur
lanthanide
transisi Metal
CAS Number
7440600
29
7440655
25
Jeneng papan Group
P63 / mmc
P63 / mmc
Space Group Number
194.00
5
194.00
5
facts
Facts Interesting
- metal Holmium sanget alus lan malleable.
- metal Holmium uga dikenal kanggo resistivity sawijining karat.
- Yttrium Metal punika Highly beracun.
- Yttrium Metal punika reaktif ing alam Empu ora ketemu gratis ing alam.
sumber
Found in Minerals, Mining, Ores saka Minerals
Found in Minerals, Mining, Ores saka Minerals
History
sing katutup
Marc Delafontaine
Johan Gadolin
Discovery
ing taun 1878
ing taun 1794
turah mbrawah
Turah mbrawah Ing Universe
5 * 10-8 %
27
7 * 10-7 %
17
Turah mbrawah Ing Sun
~-9999 %
~0.0000001 %
26
Turah mbrawah Ing meteorit
0.00 %
99+
0.00 %
21
Turah mbrawah Ing bumi lemah ndhuwur
0.00 %
38
0.00 %
22
Turah mbrawah Ing Segara
0.00 %
99+
0.00 %
25
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.
- metal Yttrium digunakake ing wesi beda, minangka mundhak kekuatan aluminium Magnesium. Kang digunakake kanggo Filter Radar gelombang mikro.
- Sampeyan uga dipigunakaké minangka katalis ing ethene polymerisation.
Ulah Industrial
NA
Industry Listrik, Industry Elektronik
Ulah Medical
NA
NA
Ulah liyane
wesi, Nuclear Riset
wesi
Properties biologi
keracunan
Low Toxic
Highly Toxic
Saiki ing badan Human
Ora
Ya
Sang
ora Sumadhiya
0.00 Sang / mg dm-3
26
ing Bone
ora Sumadhiya
0.07 ppm
25
fisik Properties
leleh Point
1,461.00 ° C
30
1,523.00 ° C
27
Boiling Point
2,600.00 ° C
99+
3,337.00 ° C
21
katon
State fisik
Solid
Solid
warna
perak Putih
perak Putih
luster
metallic
NA
atose
Brinell atose
746.00 MPa
13
589.00 MPa
22
Vickers atose
481.00 MPa
23
ora Sumadhiya
Kacepetan swara
2,760.00 m / s
30
3,300.00 m / s
23
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
Y
isotop
Isotop dikenal
34
5
19
20
keelektronegatifan
Pauling Elektronegativitas
1.23
37
1.22
38
Sanderson Elektronegativitas
ora Sumadhiya
0.65
29
Allred Rochow Elektronegativitas
1.10
30
1.11
29
Allen Elektronegativitas
ora Sumadhiya
1.12
38
Electropositivity
Pauling Electropositivity
2.77
17
2.78
16
tenogo ionisasi
Level Energy 1st
581.00 kJ / mol
99+
600.00 kJ / mol
99+
Level Energy 2
1,140.00 kJ / mol
99+
1,180.00 kJ / mol
99+
Level Energy 3rd
2,204.00 kJ / mol
99+
1,980.00 kJ / mol
99+
Level Energy 4
4,100.00 kJ / mol
34
5,847.00 kJ / mol
10
Level Energy 5th
ora Sumadhiya
7,430.00 kJ / mol
14
Level Energy 6th
ora Sumadhiya
8,970.00 kJ / mol
17
tingkat Energy 7
ora Sumadhiya
11,190.00 kJ / mol
18
Level Energy 8
ora Sumadhiya
12,450.00 kJ / mol
18
Level Energy 9
ora Sumadhiya
14,110.00 kJ / mol
19
Level Energy 10th
ora Sumadhiya
18,400.00 kJ / mol
17
Level Energy 11
ora Sumadhiya
19,900.00 kJ / mol
18
Level Energy 12
ora Sumadhiya
36,090.00 kJ / mol
5
padha karo elektrokimia
2.02 g / amp-day
29
1.11 g / amp-day
99+
Fungsi Work elektron
ora Sumadhiya
3.10 eV
35
Properties Kimia liyane
Kimia Stabilitas, anti Corrosion, ionisasi, Isotop radioaktif, kelarutan
Kimia Stabilitas, kebakar, ionisasi, Isotop radioaktif, kelarutan
atom Properties
Panggil atom
67
99+
39
99+
Konfigurasi elektron
[Xe] 4F 11 6s 2
[Kr] 4d 1 5S 2
Struktur Crystal
Hexagonal Tutup dikempalken (HCP)
Hexagonal Tutup dikempalken (HCP)
Crystal pola
HCP-Crystal-Structure-of-Holmium.jpg#100
HCP-Crystal-Structure-of-Yttrium.jpg#100
atom
Jumlah proton
67
99+
39
99+
Jumlah Neutron
98
34
50
99+
Jumlah Èlèktron
67
99+
39
99+
Radius saka Atom
Radius atom
176.00 pm
18
180.00 pm
14
kovalen Radius
192.00 pm
17
190.00 pm
18
Van der Waals Radius
216.00 pm
24
200.00 pm
28
Bobot atom
164.93 Amu
99+
88.91 Amu
99+
Volume atom
18.70 cm3 / mol
24
19.80 cm3 / mol
21
Nomer atom jejer
Potensi Valence Electron
47.90 (-eV)
31
48.00 (-eV)
30
Constant pola
357.73 pm
38
364.74 pm
31
pola Angles
π/2, π/2, 2 π/3
π/2, π/2, 2 π/3
Pola C / A rasio
1.57
17
1.57
16
Teknik Properties
Kapadhetan
Kapadhetan Ing suhu kamar
8.79 g / cm 3
99+
4.47 g / cm 3
99+
Kapadhetan Nalika Liquid (ing mp)
8.34 g / cm3
26
4.24 g / cm3
99+
Strength tensile
ora Sumadhiya
ora Sumadhiya
viskositas
ora Sumadhiya
ora Sumadhiya
meksa beluk
Meksa beluk ing 1000 K
0.00 (Pa)
16
0.00 (Pa)
32
Meksa beluk ing 2000 K
ora Sumadhiya
4.27 (Pa)
10
situs kelenturan
nyukur pengaturan
26.30 GPA
28
25.60 GPA
30
pengaturan akeh
40.20 GPA
32
41.20 GPA
30
Young kang pengaturan
64.80 GPA
31
63.50 GPA
32
Poisson rasio
0.23
29
0.24
26
Properties Teknik liyane
ductile, malleable, Sectile
ductile
Magnetic Properties
Ciri Magnetic
Gravitasi tartamtu
8.80
35
4.47
99+
Nindakake Magnetic
paramagnetic
paramagnetic
Properties Listrik
Property Listrik
Arman
Arman
resistivity
814.00 nΩ · m
4
596.00 nΩ · m
8
konduktivitas listrik
0.01 10 6 / cm Ω
99+
0.02 10 6 / cm Ω
99+
elektron Affinity
50.00 kJ / mol
21
29.60 kJ / mol
30
termal Properties
Kalor tartamtu
0.16 J / (kg K)
35
0.30 J / (kg K)
18
Graham Kapasitas kalor
27.15 J / mol · K
19
26.53 J / mol · K
27
doyo termal
16.20 W / m · K
99+
17.20 W / m · K
99+
suhu kritis
ora Sumadhiya
ora Sumadhiya
Expansion termal
11.20 μm / (m · K)
35
10.60 μm / (m · K)
37
enthalpy
Enthalpy panguapan
241.00 kJ / mol
38
393.00 kJ / mol
18
Enthalpy saka Fusion
11.76 kJ / mol
29
17.15 kJ / mol
16
Enthalpy saka atomization
301.00 kJ / mol
36
418.00 kJ / mol
18
Standard molar Entropy
75.30 J / mol.K
8
44.40 J / mol.K
33
|
||
|
||
|
