krom unsur

0 17

👆🏻

Panggil periode

2 7

👆🏻

Block

d block

Family unsur

transisi Metal

CAS Number

7440473

Rank: 39 (Overall)

7429905 54386242

👆🏻

Jeneng papan Group

3M Im_

Space Group Number

229.00

11 276

👆🏻

facts

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.

sumber

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

History

sing katutup

Louis Nicolas Vauquelin

Discovery

Ing Antarane 1797 - 1798

turah mbrawah

Turah mbrawah Ing Universe

0.00 %

Rank: 8 (Overall)

0 0.11

👆🏻

Turah mbrawah Ing Sun

0.00 %

0 0.1

👆🏻

Turah mbrawah Ing meteorit

0.30 %

0 22

👆🏻

Turah mbrawah Ing bumi lemah ndhuwur

0.01 %

Rank: 13 (Overall)

1E-37 8.1

👆🏻

Turah mbrawah Ing Segara

0.00 %

Rank: 16 (Overall)

0 1.1

👆🏻

Turah mbrawah Ing Manungsa

0.00 %

0 1.4

👆🏻

ulah

Ulah lan Wuku

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 automobile, Industri Kimia

Ulah Medical

Ulah liyane

wesi

Properties biologi

keracunan

Highly Toxic

Saiki ing badan Human

Sang

0.11 Sang / mg dm-3

0 1970

👆🏻

ing Bone

0.33 ppm

Rank: 25 (Overall)

0 170000

👆🏻

fisik

leleh Point

1,857.00 ° C

Rank: 14 (Overall)

-38.83 3410

👆🏻

Boiling Point

2,672.00 ° C

Rank: 41 (Overall)

0 5660

👆🏻

katon

State fisik

Solid

warna

Silver

luster

metallic

atose

Mohs atose

8.50

0.2 8.5

👆🏻

Brinell atose

687.00 MPa

Rank: 18 (Overall)

0.14 3490

👆🏻

Vickers atose

1,060.00 MPa

0 3920

👆🏻

Kacepetan swara

5,940.00 m / s

Rank: 8 (Overall)

818 16200

👆🏻

Properties Optical

bias Index

2.97

0.155 3.41

👆🏻

reflectivity

70.00 %

Rank: 13 (Overall)

5 97

👆🏻

allotropes

Ora

α allotropes

β allotropes

γ allotropes

Kimia

Formula Kimia

isotop

Isotop dikenal

Rank: 18 (Overall)

0 38

👆🏻

keelektronegatifan

Pauling Elektronegativitas

1.66

0 2.6

👆🏻

Sanderson Elektronegativitas

1.66

0.22 2.56

👆🏻

Allred Rochow Elektronegativitas

1.56

Rank: 11 (Overall)

0.86 1.9

👆🏻

Mulliken-Jaffe Elektronegativitas

1.66

0.62 2.48

👆🏻

Allen Elektronegativitas

1.65

Rank: 22 (Overall)

0.659 2.7

👆🏻

Electropositivity

Pauling Electropositivity

2.34

Rank: 36 (Overall)

1.46 3.3

👆🏻

tenogo ionisasi

Level Energy 1st

26,130.00 kJ / mol

375.7 26130

👆🏻

Level Energy 2

28,750.00 kJ / mol

392.8 28750

👆🏻

Level Energy 3rd

34,230.00 kJ / mol

392.8 34230

👆🏻

Level Energy 4

37,066.00 kJ / mol

375.7 37066

👆🏻

Level Energy 5th

97,510.00 kJ / mol

392 97510

👆🏻

Level Energy 6th

105,800.00 kJ / mol

1007 105800

👆🏻

tingkat Energy 7

114,300.00 kJ / mol

1007 114300

👆🏻

Level Energy 8

125,300.00 kJ / mol

730 125300

👆🏻

Level Energy 9

134,700.00 kJ / mol

1007 134700

👆🏻

Level Energy 10th

144,300.00 kJ / mol

392 144300

👆🏻

Level Energy 11

26,130.00 kJ / mol

392 169988

👆🏻

Level Energy 12

28,750.00 kJ / mol

Rank: 36 (Overall)

0 189368

👆🏻

Level Energy 13

34,230.00 kJ / mol

Rank: 10 (Overall)

1007 76015

👆🏻

Level Energy 14

37,066.00 kJ / mol

380 86450

👆🏻

Level Energy 15

97,510.00 kJ / mol

33000 100700

👆🏻

Level Energy 16

105,800.00 kJ / mol

375.7 109480

👆🏻

Level Energy 17

114,300.00 kJ / mol

Rank: 3 (Overall)

375.7 122200

👆🏻

Level Energy 18

125,300.00 kJ / mol

0 134810

👆🏻

Level Energy 19

134,700.00 kJ / mol

Rank: 5 (Overall)

375.7 148700

👆🏻

Level Energy 20

144,300.00 kJ / mol

0 171200

👆🏻

Level Energy 21

157,700.00 kJ / mol

375.7 179100

👆🏻

Level Energy 22

166,090.00 kJ / mol

Rank: 6 (Overall)

330 184900

👆🏻

Level Energy 23rd

653.80 kJ / mol

Rank: 56 (Overall)

357.6 198800

👆🏻

Level Energy 24

653.80 kJ / mol

Rank: 32 (Overall)

297.3 195200

👆🏻

Level Energy 25th

653.80 kJ / mol

Rank: 34 (Overall)

0 121900

👆🏻

Level Energy 26th

653.80 kJ / mol

Rank: 33 (Overall)

357.6 127700

👆🏻

Level Energy 27th

652.90 kJ / mol

Rank: 34 (Overall)

0 133800

👆🏻

Level Energy 28th

653.80 kJ / mol

Rank: 39 (Overall)

297.3 139800

👆🏻

Level Energy 29

653.80 kJ / mol

Rank: 40 (Overall)

0 148100

👆🏻

Level Energy 30

653.80 kJ / mol

Rank: 36 (Overall)

0 154500

👆🏻

padha karo elektrokimia

0.32 g / amp-day

Rank: 77 (Overall)

0.16812 8.3209

👆🏻

Fungsi Work elektron

4.50 eV

2.14 6

👆🏻

Properties Kimia liyane

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

atom

Panggil atom

Rank: 82 (Overall)

3 117

👆🏻

Konfigurasi elektron

[Ar] 3d ⁵ 4s ¹

Struktur Crystal

Body tengah kubik (Bcc)

Crystal pola

atom

Jumlah proton

Rank: 81 (Overall)

3 117

👆🏻

Jumlah Neutron

Rank: 62 (Overall)

4 285

👆🏻

Jumlah Èlèktron

Rank: 81 (Overall)

3 117

👆🏻

Radius saka Atom

Radius atom

128.00 pm

Rank: 48 (Overall)

0 348

👆🏻

kovalen Radius

139.00 pm

Rank: 47 (Overall)

0 260

👆🏻

Van der Waals Radius

200.00 pm

Rank: 35 (Overall)

0 348

👆🏻

Bobot atom

52.00 Amu

Rank: 76 (Overall)

6.94 294

👆🏻

Volume atom

7.23 cm3 / mol

Rank: 78 (Overall)

1.39 71.07

👆🏻

Nomer atom jejer

unsur Previous

Sabanjure unsur

Potensi Valence Electron

170.00 (-eV)

0 392.42

👆🏻

Constant pola

291.00 pm

Rank: 69 (Overall)

0 891.25

👆🏻

pola Angles

π/2, π/2, π/2

Pola C / A rasio

1.86

0.423 1.9

👆🏻

Teknik

Kapadhetan

Kapadhetan Ing suhu kamar

7.19 g / cm ³

Rank: 63 (Overall)

0.534 40.7

👆🏻

Kapadhetan Nalika Liquid (ing mp)

6.30 g / cm3

Rank: 69 (Overall)

0.512 41

👆🏻

Strength tensile

689.00 MPa

0.1 11000

👆🏻

viskositas

0.00

Rank: 23 (Overall)

1.5E-05 0.0035

👆🏻

meksa beluk

Meksa beluk ing 1000 K

0.00 (Pa)

Rank: 26 (Overall)

0 121

👆🏻

Meksa beluk ing 2000 K

774.00 (Pa)

0 774

👆🏻

situs kelenturan

nyukur pengaturan

115.00 GPA

Rank: 9 (Overall)

1.3 222

👆🏻

pengaturan akeh

160.00 GPA

Rank: 11 (Overall)

0 462

👆🏻

Young kang pengaturan

279.00 GPA

Rank: 8 (Overall)

0 528

👆🏻

Poisson rasio

0.21

Rank: 33 (Overall)

0.032 0.47

👆🏻

Properties Teknik liyane

Magnetic

Ciri Magnetic

Gravitasi tartamtu

7.19

Rank: 62 (Overall)

0.53 4500

👆🏻

Nindakake Magnetic

Antiferromagnetic

permeabilitas

0.00 H / m

1.25643E-06 0.0063

👆🏻

kelemahan

0.00

Rank: 10 (Overall)

-0.000166 200000

👆🏻

Properties Listrik

Property Listrik

resistivity

125.00 nΩ · m

Rank: 27 (Overall)

0.1 961

👆🏻

konduktivitas listrik

0.08 10 ⁶ / cm Ω

Rank: 30 (Overall)

0 0.63

👆🏻

elektron Affinity

64.30 kJ / mol

0 222.8

👆🏻

termal

Kalor tartamtu

0.45 J / (kg K)

0.1 3.6

👆🏻

Graham Kapasitas kalor

23.35 J / mol · K

Rank: 65 (Overall)

13.1 62.7

👆🏻

doyo termal

93.90 W / m · K