Holmium

krom

mbandhingaké Holmium lan krom

Holmium

krom

Add ⊕

Tabel périodik

Symbol

Panggil Group

0 17

👆🏻

Panggil periode

2 7

👆🏻

Block

pemblokiran f

d block

Family unsur

lanthanide

transisi Metal

CAS Number

74406007440473

7429905 54386242

👆🏻

Jeneng papan Group

P63 / mmc

3M Im_

Space Group Number

194.00229.00

11 276

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facts

Facts Interesting

metal Holmium sanget alus lan malleable.
metal Holmium uga dikenal kanggo resistivity sawijining karat.

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 saka Minerals

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

History

sing katutup

Marc Delafontaine

Louis Nicolas Vauquelin

Discovery

ing taun 1878

Ing Antarane 1797 - 1798

turah mbrawah

Turah mbrawah Ing Universe

0.00 %0.00 %

0 0.11

👆🏻

Turah mbrawah Ing Sun

-0.00 %

0 0.1

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Turah mbrawah Ing meteorit

0.00 %0.30 %

0 22

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Turah mbrawah Ing bumi lemah ndhuwur

0.00 %0.01 %

1E-37 8.1

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Turah mbrawah Ing Segara

0.00 %0.00 %

0 1.1

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Turah mbrawah Ing Manungsa

0.00 %0.00 %

0 1.4

👆🏻

ulah

Ulah lan Wuku

metal Holmium duwe kemampuan kanggo nresep neutron, supaya logam iki digunakake ing reaktor nuklir kanggo njaga reaksi berantai saka unsur ing kontrol.
Wesi saka Holmium digunakake kanggo gawé Magnet.

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, Nuclear Riset

wesi

Properties biologi

keracunan

Low Toxic

Highly Toxic

Saiki ing badan Human

Ora

Sang

0.00 Sang / mg dm-30.11 Sang / mg dm-3

0 1970

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ing Bone

0.00 ppm0.33 ppm

0 170000

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fisik

leleh Point

1,461.00 ° C1,857.00 ° C

-38.83 3410

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Boiling Point

2,600.00 ° C2,672.00 ° C

0 5660

👆🏻

katon

State fisik

Solid

warna

perak Putih

Silver

luster

metallic

atose

Mohs atose

4.008.50

0.2 8.5

👆🏻

Brinell atose

746.00 MPa687.00 MPa

0.14 3490

👆🏻

Vickers atose

481.00 MPa1,060.00 MPa

0 3920

👆🏻

Kacepetan swara

2,760.00 m / s5,940.00 m / s

818 16200

👆🏻

Properties Optical

bias Index

1.672.97

0.155 3.41

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reflectivity

67.00 %70.00 %

5 97

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allotropes

Ora

α allotropes

β allotropes

γ allotropes

Kimia

Formula Kimia

isotop

Isotop dikenal

3421

0 38

👆🏻

keelektronegatifan

Pauling Elektronegativitas

1.231.66

0 2.6

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Sanderson Elektronegativitas

1.231.66

0.22 2.56

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Allred Rochow Elektronegativitas

1.101.56

0.86 1.9

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Mulliken-Jaffe Elektronegativitas

1.231.66

0.62 2.48

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Allen Elektronegativitas

1.231.65

0.659 2.7

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Electropositivity

Pauling Electropositivity

2.772.34

1.46 3.3

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tenogo ionisasi

Level Energy 1st

581.00 kJ / mol26,130.00 kJ / mol

375.7 26130

👆🏻

Level Energy 2

1,140.00 kJ / mol28,750.00 kJ / mol

392.8 28750

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Level Energy 3rd

2,204.00 kJ / mol34,230.00 kJ / mol

392.8 34230

👆🏻

Level Energy 4

4,100.00 kJ / mol37,066.00 kJ / mol

375.7 37066

👆🏻

Level Energy 5th

5,810.00 kJ / mol97,510.00 kJ / mol

392 97510

👆🏻

Level Energy 6th

5,810.00 kJ / mol105,800.00 kJ / mol

1007 105800

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tingkat Energy 7

5,810.00 kJ / mol114,300.00 kJ / mol

1007 114300

👆🏻

Level Energy 8

5,810.00 kJ / mol125,300.00 kJ / mol

730 125300

👆🏻

Level Energy 9

6,500.00 kJ / mol134,700.00 kJ / mol

1007 134700

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Level Energy 10th

6,500.00 kJ / mol144,300.00 kJ / mol

392 144300

👆🏻

Level Energy 11

5,810.00 kJ / mol26,130.00 kJ / mol

392 169988

👆🏻

Level Energy 12

5,810.00 kJ / mol28,750.00 kJ / mol

0 189368

👆🏻

Level Energy 13

5,810.00 kJ / mol34,230.00 kJ / mol

1007 76015

👆🏻

Level Energy 14

5,810.00 kJ / mol37,066.00 kJ / mol

380 86450

👆🏻

Level Energy 15

58,100.00 kJ / mol97,510.00 kJ / mol

33000 100700

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Level Energy 16

581.00 kJ / mol105,800.00 kJ / mol

375.7 109480

👆🏻

Level Energy 17

581.00 kJ / mol114,300.00 kJ / mol

375.7 122200

👆🏻

Level Energy 18

5,810.00 kJ / mol125,300.00 kJ / mol

0 134810

👆🏻

Level Energy 19

581.00 kJ / mol134,700.00 kJ / mol

375.7 148700

👆🏻

Level Energy 20

581.00 kJ / mol144,300.00 kJ / mol

0 171200

👆🏻

Level Energy 21

581.00 kJ / mol157,700.00 kJ / mol

375.7 179100

👆🏻

Level Energy 22

581.00 kJ / mol166,090.00 kJ / mol

330 184900

👆🏻

Level Energy 23rd

5,810.00 kJ / mol653.80 kJ / mol

357.6 198800

👆🏻

Level Energy 24

581.00 kJ / mol653.80 kJ / mol

297.3 195200

👆🏻

Level Energy 25th

581.00 kJ / mol653.80 kJ / mol

0 121900

👆🏻

Level Energy 26th

581.00 kJ / mol653.80 kJ / mol

357.6 127700

👆🏻

Level Energy 27th

584.70 kJ / mol652.90 kJ / mol

0 133800

👆🏻

Level Energy 28th

581.00 kJ / mol653.80 kJ / mol

297.3 139800

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Level Energy 29

584.70 kJ / mol653.80 kJ / mol

0 148100

👆🏻

Level Energy 30

581.00 kJ / mol653.80 kJ / mol

0 154500

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padha karo elektrokimia

2.02 g / amp-day0.32 g / amp-day

0.16812 8.3209

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Fungsi Work elektron

4.90 eV4.50 eV

2.14 6

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Properties Kimia liyane

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

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

atom

Panggil atom

6724

3 117

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Konfigurasi elektron

[Xe] 4F ¹¹ 6s ²

[Ar] 3d ⁵ 4s ¹

Struktur Crystal

Hexagonal Tutup dikempalken (HCP)

Body tengah kubik (Bcc)

Crystal pola

atom

Jumlah proton

6724

3 117

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Jumlah Neutron

9828

4 285

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Jumlah Èlèktron

6724

3 117

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Radius saka Atom

Radius atom

176.00 pm128.00 pm

0 348

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kovalen Radius

192.00 pm139.00 pm

0 260

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Van der Waals Radius

216.00 pm200.00 pm

0 348

👆🏻

Bobot atom

164.93 Amu52.00 Amu

6.94 294

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Volume atom

18.70 cm3 / mol7.23 cm3 / mol

1.39 71.07

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Nomer atom jejer

unsur Previous

Sabanjure unsur

Potensi Valence Electron

47.90 (-eV)170.00 (-eV)

0 392.42

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Constant pola

357.73 pm291.00 pm

0 891.25

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pola Angles

π/2, π/2, 2 π/3

π/2, π/2, π/2

Pola C / A rasio

1.571.86

0.423 1.9

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Teknik

Kapadhetan

Kapadhetan Ing suhu kamar

8.79 g / cm ³7.19 g / cm ³

0.534 40.7

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Kapadhetan Nalika Liquid (ing mp)

8.34 g / cm36.30 g / cm3

0.512 41

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Strength tensile

270.00 MPa689.00 MPa

0.1 11000

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viskositas

0.000.00

1.5E-05 0.0035

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meksa beluk

Meksa beluk ing 1000 K

0.00 (Pa)0.00 (Pa)

0 121

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Meksa beluk ing 2000 K

0.00 (Pa)774.00 (Pa)

0 774

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situs kelenturan

nyukur pengaturan

26.30 GPA115.00 GPA

1.3 222

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pengaturan akeh

40.20 GPA160.00 GPA

0 462

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Young kang pengaturan

64.80 GPA279.00 GPA

0 528

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Poisson rasio

0.230.21

0.032 0.47

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Properties Teknik liyane

ductile, malleable, Sectile

Magnetic

Ciri Magnetic

Gravitasi tartamtu

8.807.19

0.53 4500

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Nindakake Magnetic

paramagnetic

Antiferromagnetic

permeabilitas

0.00 H / m0.00 H / m

1.25643E-06 0.0063

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kelemahan

0.000.00

-0.000166 200000

👆🏻

Properties Listrik

Property Listrik

Arman

resistivity

814.00 nΩ · m125.00 nΩ · m

0.1 961

👆🏻

konduktivitas listrik

0.01 10 ⁶ / cm Ω0.08 10 ⁶ / cm Ω

0 0.63

👆🏻

elektron Affinity

50.00 kJ / mol64.30 kJ / mol

0 222.8

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termal

Kalor tartamtu

0.16 J / (kg K)0.45 J / (kg K)

0.1 3.6

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Graham Kapasitas kalor

27.15 J / mol · K23.35 J / mol · K

13.1 62.7

👆🏻

doyo termal

16.20 W / m · K93.90 W / m · K

0 429

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suhu kritis

1,747.00 K1,907.00 K

26.3 3695

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Expansion termal

11.20 μm / (m · K)4.90 μm / (m · K)

4.5 97

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enthalpy

Enthalpy panguapan

241.00 kJ / mol348.80 kJ / mol

7.32 799.1

👆🏻

Enthalpy saka Fusion

11.76 kJ / mol15.31 kJ / mol

2.1 35.23

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Enthalpy saka atomization

301.00 kJ / mol397.50 kJ / mol

61.5 837

👆🏻

Standard molar Entropy

75.30 J / mol.K23.80 J / mol.K

9.5 198.1

👆🏻

Mbandhingaké lanthanide Series » More

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Holmium mungsuh thulium

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