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Mbandhingaké Logam


cerium unsur



Tabel périodik

Symbol
Ce

Panggil Group
3 15

Panggil periode
6 2

Block
pemblokiran f

Family unsur
lanthanide

CAS Number
7440451 41

Jeneng papan Group
P63 / mmc

Space Group Number
194.00 7

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.

sumber
Found in Minerals, Mining, Ores saka Minerals

History

sing katutup
Martin Heinrich Klaproth, Jöns Jakob Berzelius, Wilhelm Hisinger

Discovery
ing 1803

turah mbrawah

Turah mbrawah Ing Universe
0.00 % 17

Turah mbrawah Ing Sun
0.00 % 23

Turah mbrawah Ing meteorit
0.00 % 27

Turah mbrawah Ing bumi lemah ndhuwur
0.01 % 18

Turah mbrawah Ing Segara
0.00 % 33

Turah mbrawah Ing Manungsa
0.00 % 24

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.

Ulah Industrial
Industri Kimia

Ulah Medical
Medical Research

Ulah liyane
wesi

Properties biologi

keracunan
arep Toxic

Saiki ing badan Human
Ya

Sang
0.00 Sang / mg dm-3 30

ing Bone
2.70 ppm 14

fisik

leleh Point
795.00 ° C 56

Boiling Point
3,257.00 ° C 24

katon

State fisik
Solid

warna
perak Putih

luster
lustrous

atose

Mohs atose
2.50 15

Brinell atose
186.00 MPa 53

Vickers atose
210.00 MPa 52

Kacepetan swara
2,100.00 m / s 60

Properties Optical

bias Index
2.20 9

reflectivity
68.00 % 15

allotropes
Ora

α allotropes
-

β allotropes
-

γ allotropes
-

Kimia

Formula Kimia
Ce

isotop

Isotop dikenal
30 9

keelektronegatifan

Pauling Elektronegativitas
1.12 44

Sanderson Elektronegativitas
1.12 37

Allred Rochow Elektronegativitas
1.08 32

Mulliken-Jaffe Elektronegativitas
1.12 43

Allen Elektronegativitas
1.12 54

Electropositivity

Pauling Electropositivity
2.88 11

tenogo ionisasi

Level Energy 1st
534.40 kJ / mol 76

Level Energy 2
1,050.00 kJ / mol 79

Level Energy 3rd
1,949.00 kJ / mol 82

Level Energy 4
3,547.00 kJ / mol 65

Level Energy 5th
6,325.00 kJ / mol 37

Level Energy 6th
7,490.00 kJ / mol 38

tingkat Energy 7
5,340.00 kJ / mol 72

Level Energy 8
5,340.00 kJ / mol 71

Level Energy 9
5,340.00 kJ / mol 69

Level Energy 10th
5,340.00 kJ / mol 68

Level Energy 11
5,340.00 kJ / mol 73

Level Energy 12
5,340.00 kJ / mol 76

Level Energy 13
5,650.00 kJ / mol 58

Level Energy 14
5,340.00 kJ / mol 52

Level Energy 15
53,400.00 kJ / mol 65

Level Energy 16
53,400.00 kJ / mol 53

Level Energy 17
534.40 kJ / mol 81

Level Energy 18
5,340.00 kJ / mol 67

Level Energy 19
534.40 kJ / mol 80

Level Energy 20
534.00 kJ / mol 71

Level Energy 21
5,346.00 kJ / mol 24

Level Energy 22
594.00 kJ / mol 46

Level Energy 23rd
5,346.00 kJ / mol 26

Level Energy 24
565.50 kJ / mol 63

Level Energy 25th
534.40 kJ / mol 68

Level Energy 26th
565.50 kJ / mol 69

Level Energy 27th
565.50 kJ / mol 65

Level Energy 28th
565.50 kJ / mol 69

Level Energy 29
565.50 kJ / mol 71

Level Energy 30
594.00 kJ / mol 52

padha karo elektrokimia
1.74 g / amp-day 45

Fungsi Work elektron
2.84 eV 50

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

atom

Panggil atom
58 58

Konfigurasi elektron
[Xe] 4F 1 5d 1 6s 2

Struktur Crystal
Double Hexagonal Tutup dikempalken (DHCP)

Crystal pola
DHCP-Crystal-Structure-of-Cerium.jpg#100

atom

Jumlah proton
58 57

Jumlah Neutron
82 42

Jumlah Èlèktron
58 57

Radius saka Atom

Radius atom
181.80 pm 14

kovalen Radius
204.00 pm 8

Van der Waals Radius
235.00 pm 21

Bobot atom
140.12 Amu 52

Volume atom
20.67 cm3 / mol 27

Nomer atom jejer

unsur Previous
72

Sabanjure unsur
81

Potensi Valence Electron
41.78 (-eV) 46

Constant pola
362.00 pm 38

pola Angles
π/2, π/2, 2 π/3

Pola C / A rasio
1.59 31

Teknik

Kapadhetan

Kapadhetan Ing suhu kamar
6.77 g / cm 3 68

Kapadhetan Nalika Liquid (ing mp)
6.55 g / cm3 67

Strength tensile
270.00 MPa 17

viskositas
0.00 23

meksa beluk

Meksa beluk ing 1000 K
0.00 (Pa) 36

Meksa beluk ing 2000 K
1.04 (Pa) 13

situs kelenturan

nyukur pengaturan
13.50 GPA 52

pengaturan akeh
21.50 GPA 54

Young kang pengaturan
33.60 GPA 48

Poisson rasio
0.24 27

Properties Teknik liyane
ductile, malleable

Magnetic

Ciri Magnetic

Gravitasi tartamtu
6.77 66

Nindakake Magnetic
paramagnetic

permeabilitas
0.00 H / m 7

kelemahan
0.00 24

Properties Listrik

Property Listrik
Arman

resistivity
828.00 nΩ · m 3

konduktivitas listrik
0.01 10 6 / cm Ω 59

elektron Affinity
50.00 kJ / mol 26

termal

Kalor tartamtu
0.19 J / (kg K) 33

Graham Kapasitas kalor
26.94 J / mol · K 30

doyo termal
11.30 W / m · K 63

suhu kritis
1,071.00 K 58

Expansion termal
6.30 μm / (m · K) 67

enthalpy

Enthalpy panguapan
414.00 kJ / mol 22

Enthalpy saka Fusion
5.46 kJ / mol 59

Enthalpy saka atomization
381.00 kJ / mol 31

Standard molar Entropy
72.00 J / mol.K 12

Summary >>
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lanthanide Series

Mbandhingaké lanthanide Series

lanthanide Series

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