1 Tabel périodik
1.1 Symbol
1.2 Panggil Group
1.3 Panggil periode
1.5 Block
1.6 Family unsur
transisi Metal
alkalin bumi
1.7 CAS Number
74404737440393
7429905
54386242
2.2 Jeneng papan Group
2.3 Space Group Number
3 facts
3.1 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.
Character length exceed error
3.2 sumber
Found in Minerals, Mining, Ores logam, Ores saka Minerals
bumi lemah ndhuwur, Found in Minerals, Mining, Ores saka Minerals
3.3 History
3.3.1 sing katutup
Louis Nicolas Vauquelin
Carl Wilhelm Scheele
3.3.2 Discovery
Ing Antarane 1797 - 1798
ing taun 1772
3.4 turah mbrawah
3.4.1 Turah mbrawah Ing Universe
1.5 * 10-3 %1 * 10-6 %
5E-09
0.11
3.6.2 Turah mbrawah Ing Sun
~0.002 %~0.000001 %
1E-08
0.1
3.7.3 Turah mbrawah Ing meteorit
4.2.1 Turah mbrawah Ing bumi lemah ndhuwur
4.8.2 Turah mbrawah Ing Segara
5.1.3 Turah mbrawah Ing Manungsa
6 ulah
6.1 Ulah lan Wuku
Character length exceed error
- Punika digugat ing Manufaktur Paint kimia lan Manufaktur kaca.
- Senyawa saka logam beracun; nanging isih barium sulfat punika insoluble lan diwenehi kanggo patients gerah saka kelainan pencernaan.
6.1.1 Ulah Industrial
Industry automobile, Industri Kimia
Industry amunisi, Industry automobile, Industry Listrik, Industry Elektronik
6.1.2 Ulah Medical
6.1.3 Ulah liyane
6.2 Properties biologi
6.2.1 keracunan
6.2.2 Saiki ing badan Human
6.2.3 Sang
0.11 Sang / mg dm-30.07 Sang / mg dm-3
0
1970
7.2.3 ing Bone
0.33 ppm70.00 ppm
0
170000
8 fisik
8.1 leleh Point
1,857.00 ° C725.00 ° C
27
3410
8.4 Boiling Point
2,672.00 ° C1,140.00 ° C
147
5660
9.3 katon
9.3.1 State fisik
9.3.3 warna
9.3.4 luster
9.4 atose
9.4.1 Mohs atose
9.7.2 Brinell atose
687.00 MPaora Sumadhiya
0.14
3490
10.1.1 Vickers atose
1,060.00 MPaora Sumadhiya
121
3430
10.6 Kacepetan swara
5,940.00 m / s1,620.00 m / s
818
16200
11.5 Properties Optical
11.5.1 bias Index
ora Sumadhiyaora Sumadhiya
1.000933
1.7229
11.7.1 reflectivity
ora Sumadhiyaora Sumadhiya
58
97
11.9 allotropes
11.9.2 α allotropes
ora Sumadhiya
ora Sumadhiya
11.9.3 β allotropes
ora Sumadhiya
ora Sumadhiya
11.9.4 γ allotropes
ora Sumadhiya
ora Sumadhiya
12 Kimia
12.1 Formula Kimia
12.2 isotop
12.2.1 Isotop dikenal
12.9 keelektronegatifan
12.9.1 Pauling Elektronegativitas
12.11.1 Sanderson Elektronegativitas
13.1.2 Allred Rochow Elektronegativitas
13.1.5 Mulliken-Jaffe Elektronegativitas
ora Sumadhiya0.88
0.62
2.48
13.2.1 Allen Elektronegativitas
13.5 Electropositivity
13.5.1 Pauling Electropositivity
14.2 tenogo ionisasi
14.2.1 Level Energy 1st
26,130.00 kJ / mol502.90 kJ / mol
375.7
26130
14.2.5 Level Energy 2
28,750.00 kJ / mol965.20 kJ / mol
710.2162
28750
14.3.2 Level Energy 3rd
34,230.00 kJ / mol3,600.00 kJ / mol
1600
34230
14.4.4 Level Energy 4
37,066.00 kJ / molora Sumadhiya
2780
37066
14.4.7 Level Energy 5th
97,510.00 kJ / molora Sumadhiya
4305.2
97510
14.4.9 Level Energy 6th
105,800.00 kJ / molora Sumadhiya
5715.8
105800
14.5.1 tingkat Energy 7
114,300.00 kJ / molora Sumadhiya
7226.8
114300
16.1.2 Level Energy 8
125,300.00 kJ / molora Sumadhiya
8857.4
125300
16.2.1 Level Energy 9
134,700.00 kJ / molora Sumadhiya
14110
134700
16.2.4 Level Energy 10th
144,300.00 kJ / molora Sumadhiya
17100
144300
16.3.2 Level Energy 11
26,130.00 kJ / molora Sumadhiya
19900
169988
16.5.1 Level Energy 12
28,750.00 kJ / molora Sumadhiya
22219
189368
16.6.1 Level Energy 13
34,230.00 kJ / molora Sumadhiya
26930
76015
16.7.2 Level Energy 14
37,066.00 kJ / molora Sumadhiya
29196
86450
17.1.1 Level Energy 15
97,510.00 kJ / molora Sumadhiya
41987
97510
17.1.2 Level Energy 16
105,800.00 kJ / molora Sumadhiya
47206
109480
17.2.2 Level Energy 17
114,300.00 kJ / molora Sumadhiya
52737
122200
17.4.1 Level Energy 18
125,300.00 kJ / molora Sumadhiya
58570
134810
17.5.1 Level Energy 19
134,700.00 kJ / molora Sumadhiya
64702
148700
17.6.1 Level Energy 20
144,300.00 kJ / molora Sumadhiya
80400
171200
17.6.2 Level Energy 21
157,700.00 kJ / molora Sumadhiya
87000
179100
17.7.2 Level Energy 22
166,090.00 kJ / molora Sumadhiya
93400
184900
17.7.3 Level Energy 23rd
ora Sumadhiyaora Sumadhiya
98420
198800
17.7.5 Level Energy 24
ora Sumadhiyaora Sumadhiya
104400
195200
17.7.6 Level Energy 25th
ora Sumadhiyaora Sumadhiya
121900
121900
17.7.8 Level Energy 26th
ora Sumadhiyaora Sumadhiya
127700
127700
17.7.9 Level Energy 27th
ora Sumadhiyaora Sumadhiya
133800
133800
17.8.1 Level Energy 28th
ora Sumadhiyaora Sumadhiya
139800
139800
17.8.2 Level Energy 29
ora Sumadhiyaora Sumadhiya
148100
148100
17.8.3 Level Energy 30
ora Sumadhiyaora Sumadhiya
154500
154500
17.9 padha karo elektrokimia
0.32 g / amp-day2.56 g / amp-day
0.16812
8.3209
17.10 Fungsi Work elektron
17.11 Properties Kimia liyane
anti Corrosion, Kimia Stabilitas, ionisasi, Isotop radioaktif, kelarutan
ionisasi, Isotop radioaktif, Radioaktif, kelarutan
18 atom
18.1 Panggil atom
18.2 Konfigurasi elektron
18.3 Struktur Crystal
Body tengah kubik (Bcc)
Body tengah kubik (Bcc)
18.3.1 Crystal pola
18.4 atom
18.4.1 Jumlah proton
18.4.2 Jumlah Neutron
18.4.3 Jumlah Èlèktron
18.5 Radius saka Atom
18.5.1 Radius atom
128.00 pm222.00 pm
112
265
18.5.2 kovalen Radius
139.00 pm215.00 pm
96
260
18.5.3 Van der Waals Radius
200.00 pm268.00 pm
139
348
18.6 Bobot atom
52.00 Amu137.33 Amu
6.94
294
18.7 Volume atom
7.23 cm3 / mol39.24 cm3 / mol
1.39
71.07
18.8 Nomer atom jejer
18.8.1 unsur Previous
18.8.2 Sabanjure unsur
18.9 Potensi Valence Electron
170.00 (-eV)21.30 (-eV)
8
392.42
18.10 Constant pola
291.00 pm502.80 pm
228.58
891.25
18.11 pola Angles
π/2, π/2, π/2
π/2, π/2, π/2
18.12 Pola C / A rasio
ora Sumadhiyaora Sumadhiya
1.567
1.886
19 Teknik
19.1 Kapadhetan
19.1.1 Kapadhetan Ing suhu kamar
7.19 g / cm 33.51 g / cm 3
0.534
40.7
19.1.2 Kapadhetan Nalika Liquid (ing mp)
6.30 g / cm33.34 g / cm3
0.512
20
1.3 Strength tensile
689.00 MPaora Sumadhiya
2.5
11000
1.4 viskositas
ora Sumadhiyaora Sumadhiya
0.001526
0.001526
1.5 meksa beluk
1.5.1 Meksa beluk ing 1000 K
0.00 (Pa)7.11 (Pa)
2.47E-11
121
1.5.2 Meksa beluk ing 2000 K
774.00 (Pa)ora Sumadhiya
2.62E-10
774
1.6 situs kelenturan
1.6.1 nyukur pengaturan
115.00 GPA4.90 GPA
1.3
222
1.6.2 pengaturan akeh
160.00 GPA9.60 GPA
1.6
462
1.6.3 Young kang pengaturan
279.00 GPA13.00 GPA
1.7
528
1.7 Poisson rasio
0.21ora Sumadhiya
0.032
0.47
1.8 Properties Teknik liyane
2 Magnetic
2.1 Ciri Magnetic
2.1.1 Gravitasi tartamtu
2.1.2 Nindakake Magnetic
Antiferromagnetic
paramagnetic
2.1.3 permeabilitas
ora Sumadhiyaora Sumadhiya
1.25643E-06
0.0063
2.1.4 kelemahan
ora Sumadhiyaora Sumadhiya
-0.000166
200000
2.2 Properties Listrik
2.2.1 Property Listrik
2.2.2 resistivity
125.00 nΩ · m332.00 nΩ · m
0.18
961
2.2.3 konduktivitas listrik
0.08 10 6 / cm Ω0.03 10 6 / cm Ω
0.00666
0.63
2.2.4 elektron Affinity
64.30 kJ / mol13.95 kJ / mol
0
222.8
3 termal
3.1 Kalor tartamtu
0.45 J / (kg K)0.20 J / (kg K)
0.11
3.6
3.2 Graham Kapasitas kalor
23.35 J / mol · K28.07 J / mol · K
16.443
62.7
3.3 doyo termal
93.90 W / m · K18.40 W / m · K
6.3
429
3.4 suhu kritis
ora Sumadhiyaora Sumadhiya
26.3
3223
3.5 Expansion termal
4.90 μm / (m · K)20.60 μm / (m · K)
4.5
97
3.6 enthalpy
3.6.1 Enthalpy panguapan
348.80 kJ / mol140.00 kJ / mol
7.32
799.1
3.6.2 Enthalpy saka Fusion
15.31 kJ / mol7.66 kJ / mol
2.1
35.23
3.6.3 Enthalpy saka atomization
397.50 kJ / mol175.70 kJ / mol
61.5
837
3.7 Standard molar Entropy
23.80 J / mol.K62.50 J / mol.K
9.5
198.1