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kobalt metal
kobalt


Tabel périodik
Symbol
Co
Panggil Group
9 9
Panggil periode
4 4
Block
d block
Family unsur
transisi Metal
CAS Number
7440484 38
Jeneng papan Group
P63 / mmc
Space Group Number
194.00 7
facts
Facts Interesting
  • Sumber utama Kobalt minangka produk sampingan saka pertambangan logam tembaga lan nikel.
  • Logam kobalt bisa dipikolehi saka unsur liyane kayata Oksigen, Sulfur lan Arsenik.
  • Uga digunakake ing proses electroplating amarga nuduhake sifat anti cession.
sumber
Found in Senyawa, Mining, Ores saka Minerals
History
sing katutup
Georg Brandt
Discovery
ing 1732
turah mbrawah
Turah mbrawah Ing Universe
0.00 % 10
Turah mbrawah Ing Sun
0.00 % 9
Turah mbrawah Ing meteorit
0.06 % 10
Turah mbrawah Ing bumi lemah ndhuwur
0.00 % 21
Turah mbrawah Ing Segara
0.00 % 20
Turah mbrawah Ing Manungsa
0.00 % 20
ulah
Ulah lan Wuku
  • Sawijining wesi aluminium lan nikel sing digunakake kanggo nggawe wesi sembrani kuat.
  • Sawetara wesi liyane ngetokne kekuatan-suhu dhuwur lan Empu padha digunakake ing Turbines saka Jet lan Gas engine.
Ulah Industrial
Industri Kimia, Industry Listrik, Industry Elektronik
Ulah Medical
Industry Pharmaceutical
Ulah liyane
wesi
Properties biologi
keracunan
Toxic
Saiki ing badan Human
Ya
Sang
0.04 Sang / mg dm-3 18
ing Bone
0.04 ppm 32
fisik
leleh Point
1,495.00 ° C 29
Boiling Point
2,870.00 ° C 35
katon
State fisik
Solid
warna
Gray
luster
metallic
atose
Mohs atose
5.00 8
Brinell atose
470.00 MPa 31
Vickers atose
1,043.00 MPa 18
Kacepetan swara
4,720.00 m / s 18
Properties Optical
bias Index
2.50 5
reflectivity
67.00 % 16
allotropes
Ya
α allotropes
α-kobalt
β allotropes
β-kobalt
γ allotropes
-
Kimia
Formula Kimia
Co
isotop
Isotop dikenal
26 13
keelektronegatifan
Pauling Elektronegativitas
1.88 13
Sanderson Elektronegativitas
2.56 1
Allred Rochow Elektronegativitas
1.70 6
Mulliken-Jaffe Elektronegativitas
1.88 14
Allen Elektronegativitas
1.84 13
Electropositivity
Pauling Electropositivity
2.12 42
tenogo ionisasi
Level Energy 1st
760.40 kJ / mol 19
Level Energy 2
1,648.00 kJ / mol 32
Level Energy 3rd
3,232.00 kJ / mol 22
Level Energy 4
4,950.00 kJ / mol 29
Level Energy 5th
7,670.00 kJ / mol 18
Level Energy 6th
9,840.00 kJ / mol 18
tingkat Energy 7
12,440.00 kJ / mol 11
Level Energy 8
15,230.00 kJ / mol 12
Level Energy 9
17,959.00 kJ / mol 13
Level Energy 10th
26,570.00 kJ / mol 7
Level Energy 11
29,400.00 kJ / mol 8
Level Energy 12
32,400.00 kJ / mol 30
Level Energy 13
36,600.00 kJ / mol 8
Level Energy 14
39,700.00 kJ / mol 9
Level Energy 15
42,800.00 kJ / mol 80
Level Energy 16
49,396.00 kJ / mol 62
Level Energy 17
52,737.00 kJ / mol 13
Level Energy 18
134,810.00 kJ / mol 1
Level Energy 19
145,170.00 kJ / mol 2
Level Energy 20
154,700.00 kJ / mol 4
Level Energy 21
167,400.00 kJ / mol 4
Level Energy 22
178,100.00 kJ / mol 3
Level Energy 23rd
189,300.00 kJ / mol 3
Level Energy 24
760.40 kJ / mol 17
Level Energy 25th
760.40 kJ / mol 17
Level Energy 26th
760.40 kJ / mol 17
Level Energy 27th
760.40 kJ / mol 16
Level Energy 28th
760.40 kJ / mol 22
Level Energy 29
760.40 kJ / mol 23
Level Energy 30
760.40 kJ / mol 17
padha karo elektrokimia
1.10 g / amp-day 61
Fungsi Work elektron
5.00 eV 9
Properties Kimia liyane
Kimia Stabilitas, ionisasi
atom
Panggil atom
22 84
Konfigurasi elektron
[Ar] 3d 2 4s 2
Struktur Crystal
Hexagonal Tutup dikempalken (HCP)
Crystal pola
HCP-Crystal-Structure-of-Cobalt.jpg#100
atom
Jumlah proton
22 83
Jumlah Neutron
26 63
Jumlah Èlèktron
22 83
Radius saka Atom
Radius atom
147.00 pm 36
kovalen Radius
160.00 pm 32
Van der Waals Radius
200.00 pm 35
Bobot atom
47.87 Amu 78
Volume atom
10.64 cm3 / mol 64
Nomer atom jejer
unsur Previous
7
Sabanjure unsur
22
Potensi Valence Electron
95.20 (-eV) 10
Constant pola
295.08 pm 68
pola Angles
π/2, π/2, 2 π/3
Pola C / A rasio
1.26 59
Teknik
Kapadhetan
Kapadhetan Ing suhu kamar
4.51 g / cm 3 75
Kapadhetan Nalika Liquid (ing mp)
4.11 g / cm3 78
Strength tensile
434.00 MPa 10
viskositas
0.00 25
meksa beluk
Meksa beluk ing 1000 K
0.00 (Pa) 22
Meksa beluk ing 2000 K
0.98 (Pa) 14
situs kelenturan
nyukur pengaturan
44.00 GPA 17
pengaturan akeh
110.00 GPA 15
Young kang pengaturan
116.00 GPA 20
Poisson rasio
0.32 12
Properties Teknik liyane
ductile
Magnetic
Ciri Magnetic
Gravitasi tartamtu
4,500.00 1
Nindakake Magnetic
paramagnetic
permeabilitas
0.00 H / m 17
kelemahan
0.00 3
Properties Listrik
Property Listrik
Arman miskin
resistivity
420.00 nΩ · m 12
konduktivitas listrik
0.02 10 6 / cm Ω 47
elektron Affinity
7.60 kJ / mol 43
termal
Kalor tartamtu
0.52 J / (kg K) 9
Graham Kapasitas kalor
25.06 J / mol · K 53
doyo termal
21.90 W / m · K 44
suhu kritis
1,768.00 K 32
Expansion termal
8.60 μm / (m · K) 59
enthalpy
Enthalpy panguapan
429.00 kJ / mol 20
Enthalpy saka Fusion
15.48 kJ / mol 19
Enthalpy saka atomization
468.60 kJ / mol 20
Standard molar Entropy
27.30 J / mol.K 73
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