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krom metal

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1 Tabel périodik

1.1 Symbol

Cr

1.2 Panggil Group

6
Rank: 12 (Overall)
Gadolinium metal
0 17

1.3 Panggil periode

4
Rank: 4 (Overall)
lithium metal
2 7

1.4 Block

d block

1.5 Family unsur

transisi Metal

1.6 CAS Number

7440473
Rank: 39 (Overall)
Aluminium metal
7429905 54386242

1.7 Jeneng papan Group

3M Im_

1.8 Space Group Number

229.00
Rank: 1 (Overall)
plutonium metal
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 metal
5E-09 0.11

2.4.2 Turah mbrawah Ing Sun

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

2.4.3 Turah mbrawah Ing meteorit

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

2.4.4 Turah mbrawah Ing bumi lemah ndhuwur

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

2.4.5 Turah mbrawah Ing Segara

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

2.4.6 Turah mbrawah Ing Manungsa

0.00 %
Rank: 16 (Overall)
Radium metal
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 metal
0 1970

3.2.4 ing Bone

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

4 fisik

4.1 leleh Point

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

4.2 Boiling Point

2,672.00 ° C
Rank: 39 (Overall)
Flerovium metal
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 metal
0.2 8.5

4.4.2 Brinell atose

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

4.4.3 Vickers atose

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

4.5 Kacepetan swara

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

4.6 Properties Optical

4.6.1 bias Index

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

4.6.2 reflectivity

ora Sumadhiya
Rank: N/A (Overall)
molybdenum metal
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 metal
0 38

5.3 keelektronegatifan

5.3.1 Pauling Elektronegativitas

1.66
Rank: 18 (Overall)
Francium metal
0.7 2.54

5.3.2 Sanderson Elektronegativitas

1.66
Rank: 14 (Overall)
sesium metal
0.22 2.56

5.3.3 Allred Rochow Elektronegativitas

1.56
Rank: 10 (Overall)
sesium metal
0.86 1.82

5.3.4 Mulliken-Jaffe Elektronegativitas

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

5.3.5 Allen Elektronegativitas

1.65
Rank: 19 (Overall)
sesium metal
0.659 2.7

5.4 Electropositivity

5.4.1 Pauling Electropositivity

2.34
Rank: 36 (Overall)
Gold metal
1.46 3.3

5.5 tenogo ionisasi

5.5.1 Level Energy 1st

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

5.5.2 Level Energy 2

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

5.5.3 Level Energy 3rd

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

5.5.4 Level Energy 4

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

5.5.5 Level Energy 5th

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

5.5.6 Level Energy 6th

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

5.5.7 tingkat Energy 7

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

5.5.8 Level Energy 8

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

5.5.9 Level Energy 9

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

5.5.10 Level Energy 10th

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

5.5.11 Level Energy 11

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

5.5.12 Level Energy 12

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

5.5.13 Level Energy 13

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

5.5.14 Level Energy 14

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

5.5.15 Level Energy 15

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

5.5.16 Level Energy 16

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

5.5.17 Level Energy 17

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

5.5.18 Level Energy 18

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

5.5.19 Level Energy 19

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

5.5.20 Level Energy 20

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

5.5.21 Level Energy 21

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

5.5.22 Level Energy 22

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

5.5.23 Level Energy 23rd

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

5.5.24 Level Energy 24

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

5.5.25 Level Energy 25th

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

5.5.26 Level Energy 26th

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

5.5.27 Level Energy 27th

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

5.5.28 Level Energy 28th

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

5.5.29 Level Energy 29

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

5.5.30 Level Energy 30

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

5.6 padha karo elektrokimia

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

5.7 Fungsi Work elektron

4.50 eV
Rank: 14 (Overall)
sesium metal
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 metal
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 metal
3 117

6.4.2 Jumlah Neutron

28
Rank: 61 (Overall)
lithium metal
4 184

6.4.3 Jumlah Èlèktron

24
Rank: 81 (Overall)
lithium metal
3 117

6.5 Radius saka Atom

6.5.1 Radius atom

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

6.5.2 kovalen Radius

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

6.5.3 Van der Waals Radius

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

6.6 Bobot atom

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

6.7 Volume atom

7.23 cm3 / mol
Rank: 60 (Overall)
Manganese metal
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 metal
8 392.42

6.10 Constant pola

291.00 pm
Rank: 62 (Overall)
Beryllium metal
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 metal
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 metal
0.534 40.7

7.1.2 Kapadhetan Nalika Liquid (ing mp)

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

7.2 Strength tensile

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

7.3 viskositas

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

7.4 meksa beluk

7.4.1 Meksa beluk ing 1000 K

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

7.4.2 Meksa beluk ing 2000 K

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

7.5 situs kelenturan

7.5.1 nyukur pengaturan

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

7.5.2 pengaturan akeh

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

7.5.3 Young kang pengaturan

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

7.6 Poisson rasio

0.21
Rank: 32 (Overall)
Beryllium metal
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 metal
0.53 4500

8.1.2 Nindakake Magnetic

Antiferromagnetic

8.1.3 permeabilitas

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

8.1.4 kelemahan

ora Sumadhiya
Rank: N/A (Overall)
Bismuth metal
-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 metal
0.18 961

8.2.3 konduktivitas listrik

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

8.2.4 elektron Affinity

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

9 termal

9.1 Kalor tartamtu

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

9.2 Graham Kapasitas kalor

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

9.3 doyo termal

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

9.4 suhu kritis

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

9.5 Expansion termal

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

9.6 enthalpy

9.6.1 Enthalpy panguapan

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

9.6.2 Enthalpy saka Fusion

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

9.6.3 Enthalpy saka atomization

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

9.7 Standard molar Entropy

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