calcium mungsuh Holmium
Tabel périodik
Symbol
Ca
Ho
Panggil Group
2
16
ora Sumadhiya
Panggil periode
4
6
Block
s pemblokiran
pemblokiran f
Family unsur
alkalin bumi
lanthanide
CAS Number
7440702
21
7440600
29
Jeneng papan Group
Fm_ 3M
P63 / mmc
Space Group Number
225.00
2
194.00
5
facts
Facts Interesting
- 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.
- metal Holmium sanget alus lan malleable.
- metal Holmium uga dikenal kanggo resistivity sawijining karat.
sumber
bumi lemah ndhuwur, Found in Minerals, Mining, Ores saka Minerals
Found in Minerals, Mining, Ores saka Minerals
History
sing katutup
Humphry Davy
Marc Delafontaine
Discovery
ing taun 1808
ing taun 1878
turah mbrawah
Turah mbrawah Ing Universe
7 * 10-3 %
3
5 * 10-8 %
27
Turah mbrawah Ing Sun
~0.007 %
4
~-9999 %
Turah mbrawah Ing meteorit
1.10 %
4
0.00 %
99+
Turah mbrawah Ing bumi lemah ndhuwur
5.00 %
3
0.00 %
38
Turah mbrawah Ing Segara
0.00 %
5
0.00 %
99+
Turah mbrawah Ing Manungsa
1.40 %
1
ora Sumadhiya
ulah
Ulah lan Wuku
Character length exceed error
- 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
Industri Kimia
NA
Ulah Medical
Dentistry, Industry Pharmaceutical
NA
Ulah liyane
wesi
wesi, Nuclear Riset
Properties biologi
keracunan
non Toxic
Low Toxic
Saiki ing badan Human
Ya
Ora
Sang
60.50 Sang / mg dm-3
4
ora Sumadhiya
ing Bone
170,000.00 ppm
1
ora Sumadhiya
fisik Properties
leleh Point
839.00 ° C
99+
1,461.00 ° C
30
Boiling Point
1,484.00 ° C
99+
2,600.00 ° C
99+
katon
State fisik
Solid
Solid
warna
Gray
perak Putih
luster
NA
metallic
atose
Mohs atose
1.75
17
ora Sumadhiya
Brinell atose
170.00 MPa
99+
746.00 MPa
13
Vickers atose
ora Sumadhiya
481.00 MPa
23
Kacepetan swara
3,810.00 m / s
19
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
Ca
Ho
isotop
Isotop dikenal
19
20
34
5
keelektronegatifan
Pauling Elektronegativitas
1.00
99+
1.23
37
Sanderson Elektronegativitas
0.95
24
ora Sumadhiya
Allred Rochow Elektronegativitas
1.04
34
1.10
30
Mulliken-Jaffe Elektronegativitas
1.08
17
ora Sumadhiya
Allen Elektronegativitas
1.03
39
ora Sumadhiya
Electropositivity
Pauling Electropositivity
3.00
9
2.77
17
tenogo ionisasi
Level Energy 1st
589.80 kJ / mol
99+
581.00 kJ / mol
99+
Level Energy 2
1,145.40 kJ / mol
99+
1,140.00 kJ / mol
99+
Level Energy 3rd
4,912.40 kJ / mol
7
2,204.00 kJ / mol
99+
Level Energy 4
6,491.00 kJ / mol
7
4,100.00 kJ / mol
34
Level Energy 5th
8,153.00 kJ / mol
7
ora Sumadhiya
Level Energy 6th
10,496.00 kJ / mol
8
ora Sumadhiya
tingkat Energy 7
12,270.00 kJ / mol
12
ora Sumadhiya
Level Energy 8
14,206.00 kJ / mol
15
ora Sumadhiya
Level Energy 9
18,191.00 kJ / mol
12
ora Sumadhiya
Level Energy 10th
20,385.00 kJ / mol
16
ora Sumadhiya
Level Energy 11
57,110.00 kJ / mol
3
ora Sumadhiya
Level Energy 12
63,410.00 kJ / mol
3
ora Sumadhiya
Level Energy 13
70,110.00 kJ / mol
3
ora Sumadhiya
Level Energy 14
78,890.00 kJ / mol
4
ora Sumadhiya
Level Energy 15
86,310.00 kJ / mol
5
ora Sumadhiya
Level Energy 16
94,000.00 kJ / mol
6
ora Sumadhiya
Level Energy 17
104,900.00 kJ / mol
7
ora Sumadhiya
Level Energy 18
111,711.00 kJ / mol
8
ora Sumadhiya
padha karo elektrokimia
0.75 g / amp-day
99+
2.02 g / amp-day
29
Fungsi Work elektron
2.87 eV
38
ora Sumadhiya
Properties Kimia liyane
Kimia Stabilitas, Flammability, ionisasi, kelarutan
Kimia Stabilitas, anti Corrosion, ionisasi, Isotop radioaktif, kelarutan
atom Properties
Panggil atom
20
99+
67
99+
Konfigurasi elektron
[Ar] 4s 2
[Xe] 4F 11 6s 2
Struktur Crystal
Face tengah kubik (FCC)
Hexagonal Tutup dikempalken (HCP)
Crystal pola
FCC-Crystal-Structure-of-Calcium.jpg#100
HCP-Crystal-Structure-of-Holmium.jpg#100
atom
Jumlah proton
20
99+
67
99+
Jumlah Neutron
20
99+
98
34
Jumlah Èlèktron
20
99+
67
99+
Radius saka Atom
Radius atom
197.00 pm
6
176.00 pm
18
kovalen Radius
176.00 pm
22
192.00 pm
17
Van der Waals Radius
231.00 pm
19
216.00 pm
24
Bobot atom
40.08 Amu
99+
164.93 Amu
99+
Volume atom
29.90 cm3 / mol
7
18.70 cm3 / mol
24
Nomer atom jejer
Potensi Valence Electron
29.00 (-eV)
99+
47.90 (-eV)
31
Constant pola
558.84 pm
9
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
1.55 g / cm 3
99+
8.79 g / cm 3
99+
Kapadhetan Nalika Liquid (ing mp)
1.38 g / cm3
99+
8.34 g / cm3
26
Strength tensile
ora Sumadhiya
ora Sumadhiya
viskositas
ora Sumadhiya
ora Sumadhiya
meksa beluk
Meksa beluk ing 1000 K
25.50 (Pa)
3
0.00 (Pa)
16
situs kelenturan
nyukur pengaturan
7.40 GPA
99+
26.30 GPA
28
pengaturan akeh
17.00 GPA
99+
40.20 GPA
32
Young kang pengaturan
20.00 GPA
99+
64.80 GPA
31
Poisson rasio
0.31
13
0.23
29
Properties Teknik liyane
NA
ductile, malleable, Sectile
Magnetic Properties
Ciri Magnetic
Gravitasi tartamtu
4.58
99+
8.80
35
Nindakake Magnetic
diamagnetic
paramagnetic
Properties Listrik
Property Listrik
Arman
Arman
resistivity
33.60 nΩ · m
99+
814.00 nΩ · m
4
konduktivitas listrik
0.30 10 6 / cm Ω
6
0.01 10 6 / cm Ω
99+
elektron Affinity
2.37 kJ / mol
39
50.00 kJ / mol
21
termal Properties
Kalor tartamtu
0.63 J / (kg K)
7
0.16 J / (kg K)
35
Graham Kapasitas kalor
25.93 J / mol · K
34
27.15 J / mol · K
19
doyo termal
201.00 W / m · K
5
16.20 W / m · K
99+
suhu kritis
ora Sumadhiya
ora Sumadhiya
Expansion termal
22.30 μm / (m · K)
19
11.20 μm / (m · K)
35
enthalpy
Enthalpy panguapan
150.00 kJ / mol
99+
241.00 kJ / mol
38
Enthalpy saka Fusion
8.54 kJ / mol
99+
11.76 kJ / mol
29
Enthalpy saka atomization
184.00 kJ / mol
99+
301.00 kJ / mol
36
Standard molar Entropy
41.60 J / mol.K
36
75.30 J / mol.K
8
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