Holmium mungsuh calcium
Tabel périodik
Symbol
Ho
Ca
Panggil Group
ora Sumadhiya
2
16
Panggil periode
6
4
Block
pemblokiran f
s pemblokiran
Family unsur
lanthanide
alkalin bumi
CAS Number
7440600
29
7440702
21
Jeneng papan Group
P63 / mmc
Fm_ 3M
Space Group Number
194.00
5
225.00
2
facts
Facts Interesting
- metal Holmium sanget alus lan malleable.
- metal Holmium uga dikenal kanggo resistivity sawijining karat.
- Calcium rangking Alexa 5th ing dhaftar turah mbrawah bumi persentasi.
- Iki urip ing negara senyawa.
- Gypsum utawa calcium sulfat digunakake minangka plester lan plester saka paris.
sumber
Found in Minerals, Mining, Ores saka Minerals
bumi lemah ndhuwur, Found in Minerals, Mining, Ores saka Minerals
History
sing katutup
Marc Delafontaine
Humphry Davy
Discovery
ing taun 1878
ing taun 1808
turah mbrawah
Turah mbrawah Ing Universe
5 * 10-8 %
27
7 * 10-3 %
3
Turah mbrawah Ing Sun
~-9999 %
~0.007 %
4
Turah mbrawah Ing meteorit
0.00 %
99+
1.10 %
4
Turah mbrawah Ing bumi lemah ndhuwur
0.00 %
38
5.00 %
3
Turah mbrawah Ing Segara
0.00 %
99+
0.00 %
5
Turah mbrawah Ing Manungsa
ora Sumadhiya
1.40 %
1
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.
Character length exceed error
Ulah Industrial
NA
Industri Kimia
Ulah Medical
NA
Dentistry, Industry Pharmaceutical
Ulah liyane
wesi, Nuclear Riset
wesi
Properties biologi
keracunan
Low Toxic
non Toxic
Saiki ing badan Human
Ora
Ya
Sang
ora Sumadhiya
60.50 Sang / mg dm-3
4
ing Bone
ora Sumadhiya
170,000.00 ppm
1
fisik Properties
leleh Point
1,461.00 ° C
30
839.00 ° C
99+
Boiling Point
2,600.00 ° C
99+
1,484.00 ° C
99+
katon
State fisik
Solid
Solid
warna
perak Putih
Gray
luster
metallic
NA
atose
Mohs atose
ora Sumadhiya
1.75
17
Brinell atose
746.00 MPa
13
170.00 MPa
99+
Vickers atose
481.00 MPa
23
ora Sumadhiya
Kacepetan swara
2,760.00 m / s
30
3,810.00 m / s
19
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
Ca
isotop
Isotop dikenal
34
5
19
20
keelektronegatifan
Pauling Elektronegativitas
1.23
37
1.00
99+
Sanderson Elektronegativitas
ora Sumadhiya
0.95
24
Allred Rochow Elektronegativitas
1.10
30
1.04
34
Mulliken-Jaffe Elektronegativitas
ora Sumadhiya
1.08
17
Allen Elektronegativitas
ora Sumadhiya
1.03
39
Electropositivity
Pauling Electropositivity
2.77
17
3.00
9
tenogo ionisasi
Level Energy 1st
581.00 kJ / mol
99+
589.80 kJ / mol
99+
Level Energy 2
1,140.00 kJ / mol
99+
1,145.40 kJ / mol
99+
Level Energy 3rd
2,204.00 kJ / mol
99+
4,912.40 kJ / mol
7
Level Energy 4
4,100.00 kJ / mol
34
6,491.00 kJ / mol
7
Level Energy 5th
ora Sumadhiya
8,153.00 kJ / mol
7
Level Energy 6th
ora Sumadhiya
10,496.00 kJ / mol
8
tingkat Energy 7
ora Sumadhiya
12,270.00 kJ / mol
12
Level Energy 8
ora Sumadhiya
14,206.00 kJ / mol
15
Level Energy 9
ora Sumadhiya
18,191.00 kJ / mol
12
Level Energy 10th
ora Sumadhiya
20,385.00 kJ / mol
16
Level Energy 11
ora Sumadhiya
57,110.00 kJ / mol
3
Level Energy 12
ora Sumadhiya
63,410.00 kJ / mol
3
Level Energy 13
ora Sumadhiya
70,110.00 kJ / mol
3
Level Energy 14
ora Sumadhiya
78,890.00 kJ / mol
4
Level Energy 15
ora Sumadhiya
86,310.00 kJ / mol
5
Level Energy 16
ora Sumadhiya
94,000.00 kJ / mol
6
Level Energy 17
ora Sumadhiya
104,900.00 kJ / mol
7
Level Energy 18
ora Sumadhiya
111,711.00 kJ / mol
8
padha karo elektrokimia
2.02 g / amp-day
29
0.75 g / amp-day
99+
Fungsi Work elektron
ora Sumadhiya
2.87 eV
38
Properties Kimia liyane
Kimia Stabilitas, anti Corrosion, ionisasi, Isotop radioaktif, kelarutan
Kimia Stabilitas, Flammability, ionisasi, kelarutan
atom Properties
Panggil atom
67
99+
20
99+
Konfigurasi elektron
[Xe] 4F 11 6s 2
[Ar] 4s 2
Struktur Crystal
Hexagonal Tutup dikempalken (HCP)
Face tengah kubik (FCC)
Crystal pola
HCP-Crystal-Structure-of-Holmium.jpg#100
FCC-Crystal-Structure-of-Calcium.jpg#100
atom
Jumlah proton
67
99+
20
99+
Jumlah Neutron
98
34
20
99+
Jumlah Èlèktron
67
99+
20
99+
Radius saka Atom
Radius atom
176.00 pm
18
197.00 pm
6
kovalen Radius
192.00 pm
17
176.00 pm
22
Van der Waals Radius
216.00 pm
24
231.00 pm
19
Bobot atom
164.93 Amu
99+
40.08 Amu
99+
Volume atom
18.70 cm3 / mol
24
29.90 cm3 / mol
7
Nomer atom jejer
Potensi Valence Electron
47.90 (-eV)
31
29.00 (-eV)
99+
Constant pola
357.73 pm
38
558.84 pm
9
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+
1.55 g / cm 3
99+
Kapadhetan Nalika Liquid (ing mp)
8.34 g / cm3
26
1.38 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
25.50 (Pa)
3
situs kelenturan
nyukur pengaturan
26.30 GPA
28
7.40 GPA
99+
pengaturan akeh
40.20 GPA
32
17.00 GPA
99+
Young kang pengaturan
64.80 GPA
31
20.00 GPA
99+
Poisson rasio
0.23
29
0.31
13
Properties Teknik liyane
ductile, malleable, Sectile
NA
Magnetic Properties
Ciri Magnetic
Gravitasi tartamtu
8.80
35
4.58
99+
Nindakake Magnetic
paramagnetic
diamagnetic
Properties Listrik
Property Listrik
Arman
Arman
resistivity
814.00 nΩ · m
4
33.60 nΩ · m
99+
konduktivitas listrik
0.01 10 6 / cm Ω
99+
0.30 10 6 / cm Ω
6
elektron Affinity
50.00 kJ / mol
21
2.37 kJ / mol
39
termal Properties
Kalor tartamtu
0.16 J / (kg K)
35
0.63 J / (kg K)
7
Graham Kapasitas kalor
27.15 J / mol · K
19
25.93 J / mol · K
34
doyo termal
16.20 W / m · K
99+
201.00 W / m · K
5
suhu kritis
ora Sumadhiya
ora Sumadhiya
Expansion termal
11.20 μm / (m · K)
35
22.30 μm / (m · K)
19
enthalpy
Enthalpy panguapan
241.00 kJ / mol
38
150.00 kJ / mol
99+
Enthalpy saka Fusion
11.76 kJ / mol
29
8.54 kJ / mol
99+
Enthalpy saka atomization
301.00 kJ / mol
36
184.00 kJ / mol
99+
Standard molar Entropy
75.30 J / mol.K
8
41.60 J / mol.K
36
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