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1 Tabel périodik

1.1 Symbol

Cr

1.2 Panggil Group

6
Rank: 12 (Overall)
Gadolinium unsur
0 17

1.3 Panggil periode

4
Rank: 4 (Overall)
lithium unsur
2 7

1.4 Block

d block

1.5 Family unsur

transisi Metal

1.6 CAS Number

7440473
Rank: 39 (Overall)
Aluminium unsur
7429905 54386242

1.7 Jeneng papan Group

3M Im_

1.8 Space Group Number

229.00
Rank: 1 (Overall)
plutonium unsur
11 229

2 facts

2.1 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.

2.2 sumber

Found in Minerals, Mining, Ores logam, Ores saka Minerals

2.3 History

2.3.1 sing katutup

Louis Nicolas Vauquelin

2.3.2 Discovery

Ing Antarane 1797 - 1798

2.4 turah mbrawah

2.4.1 Turah mbrawah Ing Universe

1.5 * 10-3 %
Rank: 7 (Overall)
Thallium unsur
5E-09 0.11

2.4.2 Turah mbrawah Ing Sun

~0.002 %
Rank: 7 (Overall)
Beryllium unsur
1E-08 0.1

2.4.3 Turah mbrawah Ing meteorit

0.30 %
Rank: 7 (Overall)
Gold unsur
1.7E-07 22

2.4.4 Turah mbrawah Ing bumi lemah ndhuwur

0.01 %
Rank: 13 (Overall)
Radium unsur
9.9E-12 8.1

2.4.5 Turah mbrawah Ing Segara

0.00 %
Rank: 16 (Overall)
Protaktinium unsur
2E-23 1.1

2.4.6 Turah mbrawah Ing Manungsa

0.00 %
Rank: 16 (Overall)
Radium unsur
1E-13 1.4

3 ulah

3.1 Ulah lan Wuku

Character length exceed error

3.1.1 Ulah Industrial

Industry automobile, Industri Kimia

3.1.2 Ulah Medical

NA

3.1.3 Ulah liyane

wesi

3.2 Properties biologi

3.2.1 keracunan

Highly Toxic

3.2.2 Saiki ing badan Human

Ya

3.2.3 Sang

0.11 Sang / mg dm-3
Rank: 12 (Overall)
plutonium unsur
0 1970

3.2.4 ing Bone

0.33 ppm
Rank: 21 (Overall)
plutonium unsur
0 170000

4 fisik

4.1 leleh Point

1,857.00 ° C
Rank: 14 (Overall)
Francium unsur
27 3410

4.2 Boiling Point

2,672.00 ° C
Rank: 39 (Overall)
Flerovium unsur
147 5660

4.3 katon

4.3.1 State fisik

Solid

4.3.2 warna

Silver

4.3.3 luster

metallic

4.4 atose

4.4.1 Mohs atose

8.50
Rank: 1 (Overall)
sesium unsur
0.2 8.5

4.4.2 Brinell atose

687.00 MPa
Rank: 16 (Overall)
sesium unsur
0.14 3490

4.4.3 Vickers atose

1,060.00 MPa
Rank: 10 (Overall)
Palladium unsur
121 3430

4.5 Kacepetan swara

5,940.00 m / s
Rank: 5 (Overall)
Thallium unsur
818 16200

4.6 Properties Optical

4.6.1 bias Index

ora Sumadhiya
Rank: N/A (Overall)
Mercury unsur
1.000933 1.7229

4.6.2 reflectivity

ora Sumadhiya
Rank: N/A (Overall)
molybdenum unsur
58 97

4.7 allotropes

Ora

4.7.1 α allotropes

ora Sumadhiya

4.7.2 β allotropes

ora Sumadhiya

4.7.3 γ allotropes

ora Sumadhiya

5 Kimia

5.1 Formula Kimia

Cr

5.2 isotop

5.2.1 Isotop dikenal

21
Rank: 18 (Overall)
Tennessine unsur
0 38

5.3 keelektronegatifan

5.3.1 Pauling Elektronegativitas

1.66
Rank: 18 (Overall)
Francium unsur
0.7 2.54

5.3.2 Sanderson Elektronegativitas

1.66
Rank: 14 (Overall)
sesium unsur
0.22 2.56

5.3.3 Allred Rochow Elektronegativitas

1.56
Rank: 10 (Overall)
sesium unsur
0.86 1.82

5.3.4 Mulliken-Jaffe Elektronegativitas

ora Sumadhiya
Rank: N/A (Overall)
sesium unsur
0.62 2.48

5.3.5 Allen Elektronegativitas

1.65
Rank: 19 (Overall)
sesium unsur
0.659 2.7

5.4 Electropositivity

5.4.1 Pauling Electropositivity

2.34
Rank: 36 (Overall)
Gold unsur
1.46 3.3

5.5 tenogo ionisasi

5.5.1 Level Energy 1st

26,130.00 kJ / mol
Rank: 1 (Overall)
sesium unsur
375.7 26130

5.5.2 Level Energy 2

28,750.00 kJ / mol
Rank: 1 (Overall)
uranium unsur
710.2162 28750

5.5.3 Level Energy 3rd

34,230.00 kJ / mol
Rank: 1 (Overall)
osmium unsur
1600 34230

5.5.4 Level Energy 4

37,066.00 kJ / mol
Rank: 1 (Overall)
thorium unsur
2780 37066

5.5.5 Level Energy 5th

97,510.00 kJ / mol
Rank: 1 (Overall)
dubnium unsur
4305.2 97510

5.5.6 Level Energy 6th

105,800.00 kJ / mol
Rank: 1 (Overall)
Seaborgium unsur
5715.8 105800

5.5.7 tingkat Energy 7

114,300.00 kJ / mol
Rank: 1 (Overall)
Bohrium unsur
7226.8 114300

5.5.8 Level Energy 8

125,300.00 kJ / mol
Rank: 1 (Overall)
hassium unsur
8857.4 125300

5.5.9 Level Energy 9

134,700.00 kJ / mol
Rank: 1 (Overall)
Yttrium unsur
14110 134700

5.5.10 Level Energy 10th

144,300.00 kJ / mol
Rank: 1 (Overall)
strontium unsur
17100 144300

5.5.11 Level Energy 11

26,130.00 kJ / mol
Rank: 12 (Overall)
Yttrium unsur
19900 169988

5.5.12 Level Energy 12

28,750.00 kJ / mol
Rank: 13 (Overall)
molybdenum unsur
22219 189368

5.5.13 Level Energy 13

34,230.00 kJ / mol
Rank: 10 (Overall)
molybdenum unsur
26930 76015

5.5.14 Level Energy 14

37,066.00 kJ / mol
Rank: 12 (Overall)
molybdenum unsur
29196 86450

5.5.15 Level Energy 15

97,510.00 kJ / mol
Rank: 1 (Overall)
Manganese unsur
41987 97510

5.5.16 Level Energy 16

105,800.00 kJ / mol
Rank: 2 (Overall)
Iron unsur
47206 109480

5.5.17 Level Energy 17

114,300.00 kJ / mol
Rank: 3 (Overall)
kobalt unsur
52737 122200

5.5.18 Level Energy 18

125,300.00 kJ / mol
Rank: 4 (Overall)
Nickel unsur
58570 134810

5.5.19 Level Energy 19

134,700.00 kJ / mol
Rank: 5 (Overall)
tembaga unsur
64702 148700

5.5.20 Level Energy 20

144,300.00 kJ / mol
Rank: 7 (Overall)
molybdenum unsur
80400 171200

5.5.21 Level Energy 21

157,700.00 kJ / mol
Rank: 7 (Overall)
molybdenum unsur
87000 179100

5.5.22 Level Energy 22

166,090.00 kJ / mol
Rank: 6 (Overall)
molybdenum unsur
93400 184900

5.5.23 Level Energy 23rd

ora Sumadhiya
Rank: 100 (Overall)
molybdenum unsur
98420 198800

5.5.24 Level Energy 24

ora Sumadhiya
Rank: 100 (Overall)
molybdenum unsur
104400 195200

5.5.25 Level Energy 25th

ora Sumadhiya
Rank: N/A (Overall)
molybdenum unsur
121900 121900

5.5.26 Level Energy 26th

ora Sumadhiya
Rank: N/A (Overall)
molybdenum unsur
127700 127700

5.5.27 Level Energy 27th

ora Sumadhiya
Rank: N/A (Overall)
molybdenum unsur
133800 133800

5.5.28 Level Energy 28th

ora Sumadhiya
Rank: N/A (Overall)
molybdenum unsur
139800 139800

5.5.29 Level Energy 29

ora Sumadhiya
Rank: N/A (Overall)
molybdenum unsur
148100 148100

5.5.30 Level Energy 30

ora Sumadhiya
Rank: N/A (Overall)
molybdenum unsur
154500 154500

5.6 padha karo elektrokimia

0.32 g / amp-day
Rank: 73 (Overall)
Beryllium unsur
0.16812 8.3209

5.7 Fungsi Work elektron

4.50 eV
Rank: 14 (Overall)
sesium unsur
2.14 5.65

5.8 Properties Kimia liyane

anti Corrosion, Kimia Stabilitas, ionisasi, Isotop radioaktif, kelarutan

6 atom

6.1 Panggil atom

24
Rank: 82 (Overall)
lithium unsur
3 117

6.2 Konfigurasi elektron

[Ar] 3d 5 4s 1

6.3 Struktur Crystal

Body tengah kubik (Bcc)

6.3.1 Crystal pola

6.4 atom

6.4.1 Jumlah proton

24
Rank: 81 (Overall)
lithium unsur
3 117

6.4.2 Jumlah Neutron

28
Rank: 61 (Overall)
lithium unsur
4 184

6.4.3 Jumlah Èlèktron

24
Rank: 81 (Overall)
lithium unsur
3 117

6.5 Radius saka Atom

6.5.1 Radius atom

128.00 pm
Rank: 46 (Overall)
Beryllium unsur
112 265

6.5.2 kovalen Radius

139.00 pm
Rank: 45 (Overall)
Beryllium unsur
96 260

6.5.3 Van der Waals Radius

200.00 pm
Rank: 28 (Overall)
seng unsur
139 348

6.6 Bobot atom

52.00 Amu
Rank: 76 (Overall)
lithium unsur
6.94 294

6.7 Volume atom

7.23 cm3 / mol
Rank: 60 (Overall)
Manganese unsur
1.39 71.07

6.8 Nomer atom jejer

6.8.1 unsur Previous

6.8.2 Sabanjure unsur

6.9 Potensi Valence Electron

170.00 (-eV)
Rank: 4 (Overall)
Francium unsur
8 392.42

6.10 Constant pola

291.00 pm
Rank: 62 (Overall)
Beryllium unsur
228.58 891.25

6.11 pola Angles

π/2, π/2, π/2

6.12 Pola C / A rasio

ora Sumadhiya
Rank: N/A (Overall)
Beryllium unsur
1.567 1.886

7 Teknik

7.1 Kapadhetan

7.1.1 Kapadhetan Ing suhu kamar

7.19 g / cm 3
Rank: 58 (Overall)
lithium unsur
0.534 40.7

7.1.2 Kapadhetan Nalika Liquid (ing mp)

6.30 g / cm3
Rank: 40 (Overall)
lithium unsur
0.512 20

7.2 Strength tensile

689.00 MPa
Rank: 7 (Overall)
Indium unsur
2.5 11000

7.3 viskositas

ora Sumadhiya
Rank: N/A (Overall)
Mercury unsur
0.001526 0.001526

7.4 meksa beluk

7.4.1 Meksa beluk ing 1000 K

0.00 (Pa)
Rank: 24 (Overall)
cerium unsur
2.47E-11 121

7.4.2 Meksa beluk ing 2000 K

774.00 (Pa)
Rank: 1 (Overall)
tungsten unsur
2.62E-10 774

7.5 situs kelenturan

7.5.1 nyukur pengaturan

115.00 GPA
Rank: 9 (Overall)
kalium unsur
1.3 222

7.5.2 pengaturan akeh

160.00 GPA
Rank: 11 (Overall)
sesium unsur
1.6 462

7.5.3 Young kang pengaturan

279.00 GPA
Rank: 8 (Overall)
sesium unsur
1.7 528

7.6 Poisson rasio

0.21
Rank: 32 (Overall)
Beryllium unsur
0.032 0.47

7.7 Properties Teknik liyane

NA

8 Magnetic

8.1 Ciri Magnetic

8.1.1 Gravitasi tartamtu

7.19
Rank: 46 (Overall)
lithium unsur
0.53 4500

8.1.2 Nindakake Magnetic

Antiferromagnetic

8.1.3 permeabilitas

ora Sumadhiya
Rank: N/A (Overall)
Bismuth unsur
1.25643E-06 0.0063

8.1.4 kelemahan

ora Sumadhiya
Rank: N/A (Overall)
Bismuth unsur
-0.000166 200000

8.2 Properties Listrik

8.2.1 Property Listrik

NA

8.2.2 resistivity

125.00 nΩ · m
Rank: 27 (Overall)
Thallium unsur
0.18 961

8.2.3 konduktivitas listrik

0.08 10 6 / cm Ω
Rank: 25 (Overall)
plutonium unsur
0.00666 0.63

8.2.4 elektron Affinity

64.30 kJ / mol
Rank: 15 (Overall)
Mercury unsur
0 222.8

9 termal

9.1 Kalor tartamtu

0.45 J / (kg K)
Rank: 12 (Overall)
americium unsur
0.11 3.6

9.2 Graham Kapasitas kalor

23.35 J / mol · K
Rank: 55 (Overall)
Beryllium unsur
16.443 62.7

9.3 doyo termal

93.90 W / m · K
Rank: 17 (Overall)
neptunium unsur
6.3 429

9.4 suhu kritis

ora Sumadhiya
Rank: N/A (Overall)
ytterbium unsur
26.3 3223

9.5 Expansion termal

4.90 μm / (m · K)
Rank: 57 (Overall)
tungsten unsur
4.5 97

9.6 enthalpy

9.6.1 Enthalpy panguapan

348.80 kJ / mol
Rank: 24 (Overall)
seng unsur
7.32 799.1

9.6.2 Enthalpy saka Fusion

15.31 kJ / mol
Rank: 20 (Overall)
sesium unsur
2.1 35.23

9.6.3 Enthalpy saka atomization

397.50 kJ / mol
Rank: 21 (Overall)
Mercury unsur
61.5 837

9.7 Standard molar Entropy

23.80 J / mol.K
Rank: 57 (Overall)
Beryllium unsur
9.5 198.1