Symbol
Db
Ce
Panggil Group
53
0
17
👆🏻
Panggil periode
76
2
7
👆🏻
Block
d block
pemblokiran f
Family unsur
transisi Metal
lanthanide
CAS Number
538503547440451
7429905
54386242
👆🏻
Jeneng papan Group
-
P63 / mmc
Space Group Number
166.00194.00
11
276
👆🏻
Facts Interesting
- IUPAC kapaicayang jeneng sauntara kanggo logam Dubnium minangka "Unnilpentium".
- Ing produksi Dubnium, chromatography jurang pemisah termal digunakake.
- 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
Diprodhuksi dening némbakaké Am243 karo Ne22, sintetik Diprodhuksi
Found in Minerals, Mining, Ores saka Minerals
History
sing katutup
Joint Institute for Nuclear Research
Martin Heinrich Klaproth, Jöns Jakob Berzelius, Wilhelm Hisinger
Discovery
ing taun 1968
ing 1803
turah mbrawah
Turah mbrawah Ing Universe
0.00 %0.00 %
0
0.11
👆🏻
Turah mbrawah Ing Sun
-0.00 %
0
0.1
👆🏻
Turah mbrawah Ing meteorit
0.00 %0.00 %
0
22
👆🏻
Turah mbrawah Ing bumi lemah ndhuwur
-0.01 %
1E-37
8.1
👆🏻
Turah mbrawah Ing Segara
-0.00 %
0
1.1
👆🏻
Turah mbrawah Ing Manungsa
-0.00 %
0
1.4
👆🏻
Ulah lan Wuku
- Efesus saiki dikenal saka logam Dubnium sing winates kanggo riset waé mung.
- 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
tujuan Research
wesi
Properties biologi
keracunan
-
arep Toxic
Saiki ing badan Human
Ora
Ya
Sang
0.00 Sang / mg dm-30.00 Sang / mg dm-3
0
1970
👆🏻
ing Bone
0.00 ppm2.70 ppm
0
170000
👆🏻
leleh Point
-795.00 ° C
-38.83
3410
👆🏻
Boiling Point
0.00 ° C3,257.00 ° C
0
5660
👆🏻
katon
State fisik
Solid
Solid
warna
-
perak Putih
luster
Unknown Luster
lustrous
atose
Mohs atose
6.002.50
0.2
8.5
👆🏻
Brinell atose
330.00 MPa186.00 MPa
0.14
3490
👆🏻
Vickers atose
400.00 MPa210.00 MPa
0
3920
👆🏻
Kacepetan swara
2,680.00 m / s2,100.00 m / s
818
16200
👆🏻
Properties Optical
bias Index
1.202.20
0.155
3.41
👆🏻
reflectivity
55.00 %68.00 %
5
97
👆🏻
allotropes
Ora
Ora
α allotropes
-
-
β allotropes
-
-
γ allotropes
-
-
Formula Kimia
Db
Ce
isotop
Isotop dikenal
1030
0
38
👆🏻
keelektronegatifan
Pauling Elektronegativitas
2.201.12
0
2.6
👆🏻
Sanderson Elektronegativitas
1.301.12
0.22
2.56
👆🏻
Allred Rochow Elektronegativitas
1.301.08
0.86
1.9
👆🏻
Mulliken-Jaffe Elektronegativitas
1.101.12
0.62
2.48
👆🏻
Allen Elektronegativitas
1.301.12
0.659
2.7
👆🏻
Electropositivity
Pauling Electropositivity
2.002.88
1.46
3.3
👆🏻
tenogo ionisasi
Level Energy 1st
664.80 kJ / mol534.40 kJ / mol
375.7
26130
👆🏻
Level Energy 2
1,546.70 kJ / mol1,050.00 kJ / mol
392.8
28750
👆🏻
Level Energy 3rd
2,378.40 kJ / mol1,949.00 kJ / mol
392.8
34230
👆🏻
Level Energy 4
3,298.80 kJ / mol3,547.00 kJ / mol
375.7
37066
👆🏻
Level Energy 5th
4,305.20 kJ / mol6,325.00 kJ / mol
392
97510
👆🏻
Level Energy 6th
12,900.00 kJ / mol7,490.00 kJ / mol
1007
105800
👆🏻
tingkat Energy 7
3,300.00 kJ / mol5,340.00 kJ / mol
1007
114300
👆🏻
Level Energy 8
5,280.00 kJ / mol5,340.00 kJ / mol
730
125300
👆🏻
Level Energy 9
5,780.00 kJ / mol5,340.00 kJ / mol
1007
134700
👆🏻
Level Energy 10th
8,830.00 kJ / mol5,340.00 kJ / mol
392
144300
👆🏻
Level Energy 11
3,300.00 kJ / mol5,340.00 kJ / mol
392
169988
👆🏻
Level Energy 12
88,300.00 kJ / mol5,340.00 kJ / mol
0
189368
👆🏻
Level Energy 13
4,760.00 kJ / mol5,650.00 kJ / mol
1007
76015
👆🏻
Level Energy 14
1,120.00 kJ / mol5,340.00 kJ / mol
380
86450
👆🏻
Level Energy 15
33,000.00 kJ / mol53,400.00 kJ / mol
33000
100700
👆🏻
Level Energy 16
33,000.00 kJ / mol53,400.00 kJ / mol
375.7
109480
👆🏻
Level Energy 17
1,129.00 kJ / mol534.40 kJ / mol
375.7
122200
👆🏻
Level Energy 18
0.00 kJ / mol5,340.00 kJ / mol
0
134810
👆🏻
Level Energy 19
1,094.90 kJ / mol534.40 kJ / mol
375.7
148700
👆🏻
Level Energy 20
0.00 kJ / mol534.00 kJ / mol
0
171200
👆🏻
Level Energy 21
883.00 kJ / mol5,346.00 kJ / mol
375.7
179100
👆🏻
Level Energy 22
330.00 kJ / mol594.00 kJ / mol
330
184900
👆🏻
Level Energy 23rd
1,150.00 kJ / mol5,346.00 kJ / mol
357.6
198800
👆🏻
Level Energy 24
528.30 kJ / mol565.50 kJ / mol
297.3
195200
👆🏻
Level Energy 25th
0.00 kJ / mol534.40 kJ / mol
0
121900
👆🏻
Level Energy 26th
579.80 kJ / mol565.50 kJ / mol
357.6
127700
👆🏻
Level Energy 27th
0.00 kJ / mol565.50 kJ / mol
0
133800
👆🏻
Level Energy 28th
1,150.00 kJ / mol565.50 kJ / mol
297.3
139800
👆🏻
Level Energy 29
1,094.00 kJ / mol565.50 kJ / mol
0
148100
👆🏻
Level Energy 30
0.00 kJ / mol594.00 kJ / mol
0
154500
👆🏻
padha karo elektrokimia
3.00 g / amp-day1.74 g / amp-day
0.16812
8.3209
👆🏻
Fungsi Work elektron
4.90 eV2.84 eV
2.14
6
👆🏻
Properties Kimia liyane
ionisasi, Isotop radioaktif, Radioaktif
Kimia Stabilitas, anti Corrosion, ionisasi, Isotop radioaktif, kelarutan
Panggil atom
10558
3
117
👆🏻
Konfigurasi elektron
[Rn] 5F 14 6D 3 7s 2
[Xe] 4F 1 5d 1 6s 2
Struktur Crystal
Body tengah kubik (Bcc)
Double Hexagonal Tutup dikempalken (DHCP)
Crystal pola
atom
Jumlah proton
10558
3
117
👆🏻
Jumlah Neutron
15782
4
285
👆🏻
Jumlah Èlèktron
10558
3
117
👆🏻
Radius saka Atom
Radius atom
139.00 pm181.80 pm
0
348
👆🏻
kovalen Radius
149.00 pm204.00 pm
0
260
👆🏻
Van der Waals Radius
0.00 pm235.00 pm
0
348
👆🏻
Bobot atom
268.00 Amu140.12 Amu
6.94
294
👆🏻
Volume atom
22.80 cm3 / mol20.67 cm3 / mol
1.39
71.07
👆🏻
Nomer atom jejer
unsur Previous
Sabanjure unsur
Potensi Valence Electron
0.00 (-eV)41.78 (-eV)
0
392.42
👆🏻
Constant pola
-362.00 pm
0
891.25
👆🏻
pola Angles
-
π/2, π/2, 2 π/3
Pola C / A rasio
1.631.59
0.423
1.9
👆🏻
Kapadhetan
Kapadhetan Ing suhu kamar
29.30 g / cm 36.77 g / cm 3
0.534
40.7
👆🏻
Kapadhetan Nalika Liquid (ing mp)
29.30 g / cm36.55 g / cm3
0.512
41
👆🏻
Strength tensile
0.10 MPa270.00 MPa
0.1
11000
👆🏻
viskositas
0.000.00
1.5E-05
0.0035
👆🏻
meksa beluk
Meksa beluk ing 1000 K
0.00 (Pa)0.00 (Pa)
0
121
👆🏻
Meksa beluk ing 2000 K
0.00 (Pa)1.04 (Pa)
0
774
👆🏻
situs kelenturan
nyukur pengaturan
34.00 GPA13.50 GPA
1.3
222
👆🏻
pengaturan akeh
39.00 GPA21.50 GPA
0
462
👆🏻
Young kang pengaturan
0.00 GPA33.60 GPA
0
528
👆🏻
Poisson rasio
0.390.24
0.032
0.47
👆🏻
Properties Teknik liyane
-
ductile, malleable
Ciri Magnetic
Gravitasi tartamtu
39.006.77
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
6.80 nΩ · m828.00 nΩ · m
0.1
961
👆🏻
konduktivitas listrik
0.00 10 6 / cm Ω0.01 10 6 / cm Ω
0
0.63
👆🏻
elektron Affinity
-50.00 kJ / mol
0
222.8
👆🏻
Kalor tartamtu
0.10 J / (kg K)0.19 J / (kg K)
0.1
3.6
👆🏻
Graham Kapasitas kalor
29.30 J / mol · K26.94 J / mol · K
13.1
62.7
👆🏻
doyo termal
0.00 W / m · K11.30 W / m · K
0
429
👆🏻
suhu kritis
1,323.00 K1,071.00 K
26.3
3695
👆🏻
Expansion termal
13.20 μm / (m · K)6.30 μm / (m · K)
4.5
97
👆🏻
enthalpy
Enthalpy panguapan
289.70 kJ / mol414.00 kJ / mol
7.32
799.1
👆🏻
Enthalpy saka Fusion
-5.46 kJ / mol
2.1
35.23
👆🏻
Enthalpy saka atomization
-381.00 kJ / mol
61.5
837
👆🏻
Standard molar Entropy
55.00 J / mol.K72.00 J / mol.K
9.5
198.1
👆🏻