cerium

Samarium

mbandhingaké cerium lan Samarium

cerium

Samarium

Add ⊕

Tabel périodik

Symbol

Panggil Group

0 17

👆🏻

Panggil periode

2 7

👆🏻

Block

pemblokiran f

Family unsur

lanthanide

CAS Number

74404517440199

7429905 54386242

👆🏻

Jeneng papan Group

P63 / mmc

R_ 3M

Space Group Number

194.00166.00

11 276

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facts

Facts Interesting

Cerium minangka logam bumi langka nanging isih ora langka.

Iku senyawa non-beracun Cerium sulfida nduweni werna abang sugih lan digunakake minangka pigmen.

Logam Cerium uga digunakake ing TV layar datar, bolam lampu, lampu sorot, lsp.

Samarium logam mbantu menehi pancingan metabolisme awak.
Samarium logam ana 1st diamati dening Jean Charles Galissard de Marignac ing Dydimia ing 1853.

sumber

Found in Minerals, Mining, Ores saka Minerals

History

sing katutup

Martin Heinrich Klaproth, Jöns Jakob Berzelius, Wilhelm Hisinger

Lecoq de Boisbaudran

Discovery

ing 1803

ing taun 1879

turah mbrawah

Turah mbrawah Ing Universe

0.00 %0.00 %

0 0.11

👆🏻

Turah mbrawah Ing Sun

0.00 %0.00 %

0 0.1

👆🏻

Turah mbrawah Ing meteorit

0.00 %0.00 %

0 22

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Turah mbrawah Ing bumi lemah ndhuwur

0.01 %0.00 %

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

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ulah

Ulah lan Wuku

Kang digunakake kanggo kalebu flints kanggo korek rokok.

Sawijining senyawa Cerium (Gerah) oksida digunakake minangka katalis; sijine nang tembok saka open minangka ngalangi saka buildup saka ampas masak.

Magnet saka campuran kobalt Samarium luwih kuwat tinimbang wesi lan mula digunakake ing aplikasi gelombang mikro.

Logam Samarium uga digunakake ing laser optik lan kaca tingal nyerep infra merah lan minangka penyerap neutron.

Ulah Industrial

Industri Kimia

Industry Aerospace, Industry automobile, Industri Kimia, Industry Listrik, Industry Elektronik

Ulah Medical

Medical Research

Ulah liyane

wesi

wesi, Ing Reactors Nuclear

Properties biologi

keracunan

arep Toxic

rada Toxic

Saiki ing badan Human

Sang

0.00 Sang / mg dm-30.01 Sang / mg dm-3

0 1970

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ing Bone

2.70 ppm0.00 ppm

0 170000

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fisik

leleh Point

795.00 ° C1,072.00 ° C

-38.83 3410

👆🏻

Boiling Point

3,257.00 ° C1,900.00 ° C

0 5660

👆🏻

katon

State fisik

Solid

warna

perak Putih

luster

lustrous

atose

Mohs atose

2.505.50

0.2 8.5

👆🏻

Brinell atose

186.00 MPa441.00 MPa

0.14 3490

👆🏻

Vickers atose

210.00 MPa412.00 MPa

0 3920

👆🏻

Kacepetan swara

2,100.00 m / s2,130.00 m / s

818 16200

👆🏻

Properties Optical

bias Index

2.201.80

0.155 3.41

👆🏻

reflectivity

68.00 %65.00 %

5 97

👆🏻

allotropes

Ora

α allotropes

β allotropes

γ allotropes

Kimia

Formula Kimia

isotop

Isotop dikenal

3030

0 38

👆🏻

keelektronegatifan

Pauling Elektronegativitas

1.121.17

0 2.6

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Sanderson Elektronegativitas

1.121.17

0.22 2.56

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Allred Rochow Elektronegativitas

1.081.07

0.86 1.9

👆🏻

Mulliken-Jaffe Elektronegativitas

1.121.17

0.62 2.48

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Allen Elektronegativitas

1.121.17

0.659 2.7

👆🏻

Electropositivity

Pauling Electropositivity

2.882.83

1.46 3.3

👆🏻

tenogo ionisasi

Level Energy 1st

534.40 kJ / mol544.50 kJ / mol

375.7 26130

👆🏻

Level Energy 2

1,050.00 kJ / mol1,070.00 kJ / mol

392.8 28750

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Level Energy 3rd

1,949.00 kJ / mol2,260.00 kJ / mol

392.8 34230

👆🏻

Level Energy 4

3,547.00 kJ / mol3,990.00 kJ / mol

375.7 37066

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Level Energy 5th

6,325.00 kJ / mol5,445.00 kJ / mol

392 97510

👆🏻

Level Energy 6th

7,490.00 kJ / mol5,445.00 kJ / mol

1007 105800

👆🏻

tingkat Energy 7

5,340.00 kJ / mol5,445.00 kJ / mol

1007 114300

👆🏻

Level Energy 8

5,340.00 kJ / mol5,400.00 kJ / mol

730 125300

👆🏻

Level Energy 9

5,340.00 kJ / mol5,440.00 kJ / mol

1007 134700

👆🏻

Level Energy 10th

5,340.00 kJ / mol5,445.00 kJ / mol

392 144300

👆🏻

Level Energy 11

5,340.00 kJ / mol5,445.00 kJ / mol

392 169988

👆🏻

Level Energy 12

5,340.00 kJ / mol5,440.00 kJ / mol

0 189368

👆🏻

Level Energy 13

5,650.00 kJ / mol5,445.00 kJ / mol

1007 76015

👆🏻

Level Energy 14

5,340.00 kJ / mol5,450.00 kJ / mol

380 86450

👆🏻

Level Energy 15

53,400.00 kJ / mol54,450.00 kJ / mol

33000 100700

👆🏻

Level Energy 16

53,400.00 kJ / mol54,400.00 kJ / mol

375.7 109480

👆🏻

Level Energy 17

534.40 kJ / mol544.50 kJ / mol

375.7 122200

👆🏻

Level Energy 18

5,340.00 kJ / mol5,445.00 kJ / mol

0 134810

👆🏻

Level Energy 19

534.40 kJ / mol544.50 kJ / mol

375.7 148700

👆🏻

Level Energy 20

534.00 kJ / mol624.00 kJ / mol

0 171200

👆🏻

Level Energy 21

5,346.00 kJ / mol544.50 kJ / mol

375.7 179100

👆🏻

Level Energy 22

594.00 kJ / mol624.00 kJ / mol

330 184900

👆🏻

Level Energy 23rd

5,346.00 kJ / mol544.50 kJ / mol

357.6 198800

👆🏻

Level Energy 24

565.50 kJ / mol544.50 kJ / mol

297.3 195200

👆🏻

Level Energy 25th

534.40 kJ / mol544.00 kJ / mol

0 121900

👆🏻

Level Energy 26th

565.50 kJ / mol544.50 kJ / mol

357.6 127700

👆🏻

Level Energy 27th

565.50 kJ / mol544.50 kJ / mol

0 133800

👆🏻

Level Energy 28th

565.50 kJ / mol544.50 kJ / mol

297.3 139800

👆🏻

Level Energy 29

565.50 kJ / mol544.50 kJ / mol

0 148100

👆🏻

Level Energy 30

594.00 kJ / mol544.00 kJ / mol

0 154500

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padha karo elektrokimia

1.74 g / amp-day1.87 g / amp-day

0.16812 8.3209

👆🏻

Fungsi Work elektron

2.84 eV2.70 eV

2.14 6

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Properties Kimia liyane

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

ionisasi, Isotop radioaktif

atom

Panggil atom

5862

3 117

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Konfigurasi elektron

[Xe] 4F ¹ 5d ¹ 6s ²

[Xe] 4F ⁶ 6s ²

Struktur Crystal

Double Hexagonal Tutup dikempalken (DHCP)

Rhombohedral (RHO)

Crystal pola

atom

Jumlah proton

5862

3 117

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Jumlah Neutron

8288

4 285

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Jumlah Èlèktron

5862

3 117

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Radius saka Atom

Radius atom

181.80 pm180.00 pm

0 348

👆🏻

kovalen Radius

204.00 pm198.00 pm

0 260

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Van der Waals Radius

235.00 pm229.00 pm

0 348

👆🏻

Bobot atom

140.12 Amu150.36 Amu

6.94 294

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Volume atom

20.67 cm3 / mol19.95 cm3 / mol

1.39 71.07

👆🏻

Nomer atom jejer

unsur Previous

Sabanjure unsur

Potensi Valence Electron

41.78 (-eV)44.80 (-eV)

0 392.42

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Constant pola

362.00 pm362.10 pm

0 891.25

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pola Angles

π/2, π/2, 2 π/3

Pola C / A rasio

1.591.62

0.423 1.9

👆🏻

Teknik

Kapadhetan

Kapadhetan Ing suhu kamar

6.77 g / cm ³7.52 g / cm ³

0.534 40.7

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Kapadhetan Nalika Liquid (ing mp)

6.55 g / cm37.16 g / cm3

0.512 41

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Strength tensile

270.00 MPa50.00 MPa

0.1 11000

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viskositas

0.000.00

1.5E-05 0.0035

👆🏻

meksa beluk

Meksa beluk ing 1000 K

0.00 (Pa)0.94 (Pa)

0 121

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Meksa beluk ing 2000 K

1.04 (Pa)0.00 (Pa)

0 774

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situs kelenturan

nyukur pengaturan

13.50 GPA19.50 GPA

1.3 222

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pengaturan akeh

21.50 GPA37.80 GPA

0 462

👆🏻

Young kang pengaturan

33.60 GPA49.70 GPA

0 528

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Poisson rasio

0.240.27

0.032 0.47

👆🏻

Properties Teknik liyane

ductile, malleable

Magnetic

Ciri Magnetic

Gravitasi tartamtu

6.777.52

0.53 4500

👆🏻

Nindakake Magnetic

paramagnetic

permeabilitas

0.00 H / m0.00 H / m

1.25643E-06 0.0063

👆🏻

kelemahan

0.000.00

-0.000166 200000

👆🏻

Properties Listrik

Property Listrik

Arman

resistivity

828.00 nΩ · m0.94 nΩ · m

0.1 961

👆🏻

konduktivitas listrik

0.01 10 ⁶ / cm Ω0.01 10 ⁶ / cm Ω

0 0.63

👆🏻

elektron Affinity

50.00 kJ / mol50.00 kJ / mol

0 222.8

👆🏻

termal

Kalor tartamtu

0.19 J / (kg K)0.20 J / (kg K)

0.1 3.6

👆🏻

Graham Kapasitas kalor

26.94 J / mol · K29.54 J / mol · K

13.1 62.7

👆🏻

doyo termal

11.30 W / m · K13.30 W / m · K

0 429

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suhu kritis

1,071.00 K1,345.00 K

26.3 3695

👆🏻

Expansion termal

6.30 μm / (m · K)12.70 μm / (m · K)

4.5 97

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enthalpy

Enthalpy panguapan

414.00 kJ / mol166.40 kJ / mol

7.32 799.1

👆🏻

Enthalpy saka Fusion

5.46 kJ / mol8.62 kJ / mol

2.1 35.23

👆🏻

Enthalpy saka atomization

381.00 kJ / mol209.00 kJ / mol

61.5 837

👆🏻

Standard molar Entropy

72.00 J / mol.K69.60 J / mol.K

9.5 198.1

👆🏻

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