Symbol
In
Cr
Panggil Group
136
0
17
👆🏻
Panggil periode
54
2
7
👆🏻
Block
p pemblokiran
d block
Family unsur
Transisi Post-
transisi Metal
CAS Number
74407467440473
7429905
54386242
👆🏻
Jeneng papan Group
I4 / mmm
3M Im_
Space Group Number
139.00229.00
11
276
👆🏻
Facts Interesting
- Luster saka Indium iku padhang ing alam.
- Reich lan sugih padha looking for thallium ing logam seng lan lajeng manggihaken Indium logam.
- 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.
sumber
Mining, Ores logam
Found in Minerals, Mining, Ores logam, Ores saka Minerals
History
sing katutup
Ferdinand Reich and Hieronymous Theodor Richter
Louis Nicolas Vauquelin
Discovery
ing taun 1863
Ing Antarane 1797 - 1798
turah mbrawah
Turah mbrawah Ing Universe
0.00 %0.00 %
0
0.11
👆🏻
Turah mbrawah Ing Sun
0.00 %0.00 %
0
0.1
👆🏻
Turah mbrawah Ing meteorit
0.00 %0.30 %
0
22
👆🏻
Turah mbrawah Ing bumi lemah ndhuwur
0.00 %0.01 %
1E-37
8.1
👆🏻
Turah mbrawah Ing Segara
0.00 %0.00 %
0
1.1
👆🏻
Turah mbrawah Ing Manungsa
0.00 %0.00 %
0
1.4
👆🏻
Ulah lan Wuku
- Kang digunakake kanggo gawé indium timah oxide (Ito), kang digunakake ing Manufaktur layar tutul, warata layar TV lan solar.
- nitride sawijining, phosphide lan antimonide digunakake ing transistor lan microchips.
- Iki digunakake kanggo harden baja lan mrodhuksi stainless steel lan macem-macem wesi liyane.
- Iki uga digunakake kanggo menehi finish sing tepat kanggo mirrors polesan. Piring kromium digunakake ing perlengkapan jedhing.
Ulah Industrial
Industry Aerospace, Industry automobile
Industry automobile, Industri Kimia
Ulah Medical
Medical Research
-
Ulah liyane
wesi, Ing Reactors Nuclear
wesi
Properties biologi
keracunan
non Toxic
Highly Toxic
Saiki ing badan Human
Ya
Ya
Sang
0.00 Sang / mg dm-30.11 Sang / mg dm-3
0
1970
👆🏻
ing Bone
0.00 ppm0.33 ppm
0
170000
👆🏻
leleh Point
156.61 ° C1,857.00 ° C
-38.83
3410
👆🏻
Boiling Point
2,000.00 ° C2,672.00 ° C
0
5660
👆🏻
katon
State fisik
Solid
Solid
warna
perak Gray
Silver
luster
lustrous
metallic
atose
Mohs atose
1.208.50
0.2
8.5
👆🏻
Brinell atose
8.80 MPa687.00 MPa
0.14
3490
👆🏻
Vickers atose
0.01 MPa1,060.00 MPa
0
3920
👆🏻
Kacepetan swara
1,215.00 m / s5,940.00 m / s
818
16200
👆🏻
Properties Optical
bias Index
3.412.97
0.155
3.41
👆🏻
reflectivity
83.00 %70.00 %
5
97
👆🏻
allotropes
Ora
Ora
α allotropes
-
-
β allotropes
-
-
γ allotropes
-
-
Formula Kimia
In
Cr
isotop
Isotop dikenal
3521
0
38
👆🏻
keelektronegatifan
Pauling Elektronegativitas
1.781.66
0
2.6
👆🏻
Sanderson Elektronegativitas
2.141.66
0.22
2.56
👆🏻
Allred Rochow Elektronegativitas
1.491.56
0.86
1.9
👆🏻
Mulliken-Jaffe Elektronegativitas
1.761.66
0.62
2.48
👆🏻
Allen Elektronegativitas
1.661.65
0.659
2.7
👆🏻
Electropositivity
Pauling Electropositivity
2.222.34
1.46
3.3
👆🏻
tenogo ionisasi
Level Energy 1st
558.30 kJ / mol26,130.00 kJ / mol
375.7
26130
👆🏻
Level Energy 2
1,820.70 kJ / mol28,750.00 kJ / mol
392.8
28750
👆🏻
Level Energy 3rd
2,704.00 kJ / mol34,230.00 kJ / mol
392.8
34230
👆🏻
Level Energy 4
5,210.00 kJ / mol37,066.00 kJ / mol
375.7
37066
👆🏻
Level Energy 5th
5,580.00 kJ / mol97,510.00 kJ / mol
392
97510
👆🏻
Level Energy 6th
5,580.00 kJ / mol105,800.00 kJ / mol
1007
105800
👆🏻
tingkat Energy 7
5,580.00 kJ / mol114,300.00 kJ / mol
1007
114300
👆🏻
Level Energy 8
5,580.00 kJ / mol125,300.00 kJ / mol
730
125300
👆🏻
Level Energy 9
5,580.00 kJ / mol134,700.00 kJ / mol
1007
134700
👆🏻
Level Energy 10th
5,580.00 kJ / mol144,300.00 kJ / mol
392
144300
👆🏻
Level Energy 11
5,580.00 kJ / mol26,130.00 kJ / mol
392
169988
👆🏻
Level Energy 12
5,580.00 kJ / mol28,750.00 kJ / mol
0
189368
👆🏻
Level Energy 13
5,580.00 kJ / mol34,230.00 kJ / mol
1007
76015
👆🏻
Level Energy 14
558.30 kJ / mol37,066.00 kJ / mol
380
86450
👆🏻
Level Energy 15
55,800.00 kJ / mol97,510.00 kJ / mol
33000
100700
👆🏻
Level Energy 16
558.30 kJ / mol105,800.00 kJ / mol
375.7
109480
👆🏻
Level Energy 17
558.30 kJ / mol114,300.00 kJ / mol
375.7
122200
👆🏻
Level Energy 18
5,580.00 kJ / mol125,300.00 kJ / mol
0
134810
👆🏻
Level Energy 19
558.30 kJ / mol134,700.00 kJ / mol
375.7
148700
👆🏻
Level Energy 20
558.00 kJ / mol144,300.00 kJ / mol
0
171200
👆🏻
Level Energy 21
558.30 kJ / mol157,700.00 kJ / mol
375.7
179100
👆🏻
Level Energy 22
558.00 kJ / mol166,090.00 kJ / mol
330
184900
👆🏻
Level Energy 23rd
5,581.00 kJ / mol653.80 kJ / mol
357.6
198800
👆🏻
Level Energy 24
558.30 kJ / mol653.80 kJ / mol
297.3
195200
👆🏻
Level Energy 25th
558.00 kJ / mol653.80 kJ / mol
0
121900
👆🏻
Level Energy 26th
558.30 kJ / mol653.80 kJ / mol
357.6
127700
👆🏻
Level Energy 27th
558.30 kJ / mol652.90 kJ / mol
0
133800
👆🏻
Level Energy 28th
558.30 kJ / mol653.80 kJ / mol
297.3
139800
👆🏻
Level Energy 29
558.30 kJ / mol653.80 kJ / mol
0
148100
👆🏻
Level Energy 30
558.00 kJ / mol653.80 kJ / mol
0
154500
👆🏻
padha karo elektrokimia
1.43 g / amp-day0.32 g / amp-day
0.16812
8.3209
👆🏻
Fungsi Work elektron
4.12 eV4.50 eV
2.14
6
👆🏻
Properties Kimia liyane
ionisasi, Isotop radioaktif, Radioaktif, kelarutan
anti Corrosion, Kimia Stabilitas, ionisasi, Isotop radioaktif, kelarutan
Panggil atom
4924
3
117
👆🏻
Konfigurasi elektron
[Kr] 4d 10 5S 2 5p 1
[Ar] 3d 5 4s 1
Struktur Crystal
Tetragonal (TETR)
Body tengah kubik (Bcc)
Crystal pola
atom
Jumlah proton
4924
3
117
👆🏻
Jumlah Neutron
6628
4
285
👆🏻
Jumlah Èlèktron
4924
3
117
👆🏻
Radius saka Atom
Radius atom
167.00 pm128.00 pm
0
348
👆🏻
kovalen Radius
142.00 pm139.00 pm
0
260
👆🏻
Van der Waals Radius
193.00 pm200.00 pm
0
348
👆🏻
Bobot atom
114.82 Amu52.00 Amu
6.94
294
👆🏻
Volume atom
15.70 cm3 / mol7.23 cm3 / mol
1.39
71.07
👆🏻
Nomer atom jejer
unsur Previous
Sabanjure unsur
Potensi Valence Electron
54.00 (-eV)170.00 (-eV)
0
392.42
👆🏻
Constant pola
325.23 pm291.00 pm
0
891.25
👆🏻
pola Angles
π/2, π/2, π/2
π/2, π/2, π/2
Pola C / A rasio
1.561.86
0.423
1.9
👆🏻
Kapadhetan
Kapadhetan Ing suhu kamar
7.31 g / cm 37.19 g / cm 3
0.534
40.7
👆🏻
Kapadhetan Nalika Liquid (ing mp)
7.02 g / cm36.30 g / cm3
0.512
41
👆🏻
Strength tensile
2.50 MPa689.00 MPa
0.1
11000
👆🏻
viskositas
0.000.00
1.5E-05
0.0035
👆🏻
meksa beluk
Meksa beluk ing 1000 K
0.01 (Pa)0.00 (Pa)
0
121
👆🏻
Meksa beluk ing 2000 K
0.00 (Pa)774.00 (Pa)
0
774
👆🏻
situs kelenturan
nyukur pengaturan
18.00 GPA115.00 GPA
1.3
222
👆🏻
pengaturan akeh
46.90 GPA160.00 GPA
0
462
👆🏻
Young kang pengaturan
11.00 GPA279.00 GPA
0
528
👆🏻
Poisson rasio
0.440.21
0.032
0.47
👆🏻
Properties Teknik liyane
ductile, malleable
-
Ciri Magnetic
Gravitasi tartamtu
7.317.19
0.53
4500
👆🏻
Nindakake Magnetic
diamagnetic
Antiferromagnetic
permeabilitas
0.00 H / m0.00 H / m
1.25643E-06
0.0063
👆🏻
kelemahan
0.000.00
-0.000166
200000
👆🏻
Properties Listrik
Property Listrik
Arman
-
resistivity
83.70 nΩ · m125.00 nΩ · m
0.1
961
👆🏻
konduktivitas listrik
0.12 10 6 / cm Ω0.08 10 6 / cm Ω
0
0.63
👆🏻
elektron Affinity
28.90 kJ / mol64.30 kJ / mol
0
222.8
👆🏻
Kalor tartamtu
0.23 J / (kg K)0.45 J / (kg K)
0.1
3.6
👆🏻
Graham Kapasitas kalor
26.74 J / mol · K23.35 J / mol · K
13.1
62.7
👆🏻
doyo termal
81.80 W / m · K93.90 W / m · K
0
429
👆🏻
suhu kritis
429.75 K1,907.00 K
26.3
3695
👆🏻
Expansion termal
32.10 μm / (m · K)4.90 μm / (m · K)
4.5
97
👆🏻
enthalpy
Enthalpy panguapan
226.40 kJ / mol348.80 kJ / mol
7.32
799.1
👆🏻
Enthalpy saka Fusion
3.28 kJ / mol15.31 kJ / mol
2.1
35.23
👆🏻
Enthalpy saka atomization
242.70 kJ / mol397.50 kJ / mol
61.5
837
👆🏻
Standard molar Entropy
57.80 J / mol.K23.80 J / mol.K
9.5
198.1
👆🏻