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krom metal
krom


Tabel périodik
0
Symbol
Cr 0
Panggil Group
6 12
Panggil periode
4 4
Block
d block 0
Family unsur
transisi Metal 0
CAS Number
7440473 39
Jeneng papan Group
3M Im_ 0
Space Group Number
229.00 1
facts
0
Facts Interesting
  • Krom punika reaktif, Empu durung ketemu gratis ing alam.
  • Ores saka Chromites Mineral sing sumber utama saka logam Krom.
  • Meh 90% penyamakan kulit wis rampung karo bantuan saka krom.
0
sumber
Found in Minerals, Mining, Ores logam, Ores saka Minerals 0
History
0
sing katutup
Louis Nicolas Vauquelin 0
Discovery
Ing Antarane 1797 - 1798 0
turah mbrawah
0
Turah mbrawah Ing Universe
1.5 * 10-3 % 7
Turah mbrawah Ing Sun
~0.002 % 7
Turah mbrawah Ing meteorit
0.30 % 7
Turah mbrawah Ing bumi lemah ndhuwur
0.01 % 13
Turah mbrawah Ing Segara
0.00 % 16
Turah mbrawah Ing Manungsa
0.00 % 16
ulah
0
Ulah lan Wuku
Character length exceed error 0
Ulah Industrial
Industry automobile, Industri Kimia 0
Ulah Medical
NA 0
Ulah liyane
wesi 0
Properties biologi
0
keracunan
Highly Toxic 0
Saiki ing badan Human
Ya 0
Sang
0.11 Sang / mg dm-3 12
ing Bone
0.33 ppm 21
fisik
0
leleh Point
1,857.00 ° C 14
Boiling Point
2,672.00 ° C 39
katon
0
State fisik
Solid 0
warna
Silver 0
luster
metallic 0
atose
0
Mohs atose
8.50 1
Brinell atose
687.00 MPa 16
Vickers atose
1,060.00 MPa 10
Kacepetan swara
5,940.00 m / s 5
Properties Optical
0
bias Index
ora Sumadhiya 0
reflectivity
ora Sumadhiya 0
allotropes
Ora 0
α allotropes
ora Sumadhiya 0
β allotropes
ora Sumadhiya 0
γ allotropes
ora Sumadhiya 0
Kimia
0
Formula Kimia
Cr 0
isotop
0
Isotop dikenal
21 18
keelektronegatifan
0
Pauling Elektronegativitas
1.66 18
Sanderson Elektronegativitas
1.66 14
Allred Rochow Elektronegativitas
1.56 10
Mulliken-Jaffe Elektronegativitas
ora Sumadhiya 0
Allen Elektronegativitas
1.65 19
Electropositivity
0
Pauling Electropositivity
2.34 36
tenogo ionisasi
0
Level Energy 1st
26,130.00 kJ / mol 1
Level Energy 2
28,750.00 kJ / mol 1
Level Energy 3rd
34,230.00 kJ / mol 1
Level Energy 4
37,066.00 kJ / mol 1
Level Energy 5th
97,510.00 kJ / mol 1
Level Energy 6th
105,800.00 kJ / mol 1
tingkat Energy 7
114,300.00 kJ / mol 1
Level Energy 8
125,300.00 kJ / mol 1
Level Energy 9
134,700.00 kJ / mol 1
Level Energy 10th
144,300.00 kJ / mol 1
Level Energy 11
26,130.00 kJ / mol 12
Level Energy 12
28,750.00 kJ / mol 13
Level Energy 13
34,230.00 kJ / mol 10
Level Energy 14
37,066.00 kJ / mol 12
Level Energy 15
97,510.00 kJ / mol 1
Level Energy 16
105,800.00 kJ / mol 2
Level Energy 17
114,300.00 kJ / mol 3
Level Energy 18
125,300.00 kJ / mol 4
Level Energy 19
134,700.00 kJ / mol 5
Level Energy 20
144,300.00 kJ / mol 7
Level Energy 21
157,700.00 kJ / mol 7
Level Energy 22
166,090.00 kJ / mol 6
Level Energy 23rd
ora Sumadhiya 100
Level Energy 24
ora Sumadhiya 100
Level Energy 25th
ora Sumadhiya 0
Level Energy 26th
ora Sumadhiya 0
Level Energy 27th
ora Sumadhiya 0
Level Energy 28th
ora Sumadhiya 0
Level Energy 29
ora Sumadhiya 0
Level Energy 30
ora Sumadhiya 0
padha karo elektrokimia
0.32 g / amp-day 73
Fungsi Work elektron
4.50 eV 14
Properties Kimia liyane
anti Corrosion, Kimia Stabilitas, ionisasi, Isotop radioaktif, kelarutan 0
atom
0
Panggil atom
24 82
Konfigurasi elektron
[Ar] 3d 5 4s 1 0
Struktur Crystal
Body tengah kubik (Bcc) 0
Crystal pola
BCC-Crystal-Structure-.jpg#100 0
atom
0
Jumlah proton
24 81
Jumlah Neutron
28 61
Jumlah Èlèktron
24 81
Radius saka Atom
0
Radius atom
128.00 pm 46
kovalen Radius
139.00 pm 45
Van der Waals Radius
200.00 pm 28
Bobot atom
52.00 Amu 76
Volume atom
7.23 cm3 / mol 60
Nomer atom jejer
0
unsur Previous
39 0
Sabanjure unsur
31 0
Potensi Valence Electron
170.00 (-eV) 4
Constant pola
291.00 pm 62
pola Angles
π/2, π/2, π/2 0
Pola C / A rasio
ora Sumadhiya 0
Teknik
0
Kapadhetan
0
Kapadhetan Ing suhu kamar
7.19 g / cm 3 58
Kapadhetan Nalika Liquid (ing mp)
6.30 g / cm3 40
Strength tensile
689.00 MPa 7
viskositas
ora Sumadhiya 0
meksa beluk
0
Meksa beluk ing 1000 K
0.00 (Pa) 24
Meksa beluk ing 2000 K
774.00 (Pa) 1
situs kelenturan
0
nyukur pengaturan
115.00 GPA 9
pengaturan akeh
160.00 GPA 11
Young kang pengaturan
279.00 GPA 8
Poisson rasio
0.21 32
Properties Teknik liyane
NA 0
Magnetic
0
Ciri Magnetic
0
Gravitasi tartamtu
7.19 46
Nindakake Magnetic
Antiferromagnetic 0
permeabilitas
ora Sumadhiya 0
kelemahan
ora Sumadhiya 0
Properties Listrik
0
Property Listrik
NA 0
resistivity
125.00 nΩ · m 27
konduktivitas listrik
0.08 10 6 / cm Ω 25
elektron Affinity
64.30 kJ / mol 15
termal
0
Kalor tartamtu
0.45 J / (kg K) 12
Graham Kapasitas kalor
23.35 J / mol · K 55
doyo termal
93.90 W / m · K 17
suhu kritis
ora Sumadhiya 0
Expansion termal
4.90 μm / (m · K) 57
enthalpy
0
Enthalpy panguapan
348.80 kJ / mol 24
Enthalpy saka Fusion
15.31 kJ / mol 20
Enthalpy saka atomization
397.50 kJ / mol 21
Standard molar Entropy
23.80 J / mol.K 57
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