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1 Tabel périodik
1.1 Symbol
Ce
Cr
1.2 Panggil Group
ora Sumadhiya6
Gadolinium unsur
0 17
1.3 Panggil periode
64
lithium unsur
2 7
1.4 Block
pemblokiran f
d block
1.5 Family unsur
lanthanide
transisi Metal
1.6 CAS Number
74404517440473
Aluminium unsur
7429905 54386242
1.7 Jeneng papan Group
P63 / mmc
3M Im_
1.8 Space Group Number
194.00229.00
plutonium unsur
11 229
2 facts
2.1 Facts Interesting
Character length exceed error
  • 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.
2.2 sumber
Found in Minerals, Mining, Ores saka Minerals
Found in Minerals, Mining, Ores logam, Ores saka Minerals
2.3 History
2.3.1 sing katutup
Martin Heinrich Klaproth, Jöns Jakob Berzelius, Wilhelm Hisinger
Louis Nicolas Vauquelin
2.3.2 Discovery
ing 1803
Ing Antarane 1797 - 1798
2.4 turah mbrawah
2.4.1 Turah mbrawah Ing Universe
1 * 10-6 %1.5 * 10-3 %
Thallium unsur
5E-09 0.11
2.4.2 Turah mbrawah Ing Sun
~0.0000004 %~0.002 %
Beryllium unsur
1E-08 0.1
2.4.3 Turah mbrawah Ing meteorit
0.00 %0.30 %
Gold unsur
1.7E-07 22
2.4.4 Turah mbrawah Ing bumi lemah ndhuwur
0.01 %0.01 %
Radium unsur
9.9E-12 8.1
2.4.5 Turah mbrawah Ing Segara
0.00 %0.00 %
Protaktinium unsur
2E-23 1.1
2.4.6 Turah mbrawah Ing Manungsa
ora Sumadhiya0.00 %
Radium unsur
1E-13 1.4
3 ulah
3.1 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.
Character length exceed error
3.1.1 Ulah Industrial
Industri Kimia
Industry automobile, Industri Kimia
3.1.2 Ulah Medical
Medical Research
NA
3.1.3 Ulah liyane
wesi
wesi
3.2 Properties biologi
3.2.1 keracunan
arep Toxic
Highly Toxic
3.2.2 Saiki ing badan Human
Ya
Ya
3.2.3 Sang
0.00 Sang / mg dm-30.11 Sang / mg dm-3
plutonium unsur
0 1970
3.2.4 ing Bone
2.70 ppm0.33 ppm
plutonium unsur
0 170000
4 fisik
4.1 leleh Point
795.00 ° C1,857.00 ° C
Francium unsur
27 3410
4.2 Boiling Point
3,257.00 ° C2,672.00 ° C
Flerovium unsur
147 5660
4.3 katon
4.3.1 State fisik
Solid
Solid
4.3.2 warna
perak Putih
Silver
4.3.3 luster
lustrous
metallic
4.4 atose
4.4.1 Mohs atose
2.508.50
sesium unsur
0.2 8.5
4.4.2 Brinell atose
186.00 MPa687.00 MPa
sesium unsur
0.14 3490
4.4.3 Vickers atose
210.00 MPa1,060.00 MPa
Palladium unsur
121 3430
4.5 Kacepetan swara
2,100.00 m / s5,940.00 m / s
Thallium unsur
818 16200
4.6 Properties Optical
4.6.1 bias Index
ora Sumadhiyaora Sumadhiya
Mercury unsur
1.000933 1.7229
4.6.2 reflectivity
ora Sumadhiyaora Sumadhiya
molybdenum unsur
58 97
4.7 allotropes
Ora
Ora
4.7.1 α allotropes
ora Sumadhiya
ora Sumadhiya
4.7.2 β allotropes
ora Sumadhiya
ora Sumadhiya
4.7.3 γ allotropes
ora Sumadhiya
ora Sumadhiya
5 Kimia
5.1 Formula Kimia
Ce
Cr
5.2 isotop
5.2.1 Isotop dikenal
3021
Tennessine unsur
0 38
5.3 keelektronegatifan
5.3.1 Pauling Elektronegativitas
1.121.66
Francium unsur
0.7 2.54
5.3.2 Sanderson Elektronegativitas
ora Sumadhiya1.66
sesium unsur
0.22 2.56
5.3.3 Allred Rochow Elektronegativitas
1.081.56
sesium unsur
0.86 1.82
5.3.4 Mulliken-Jaffe Elektronegativitas
ora Sumadhiyaora Sumadhiya
sesium unsur
0.62 2.48
5.3.5 Allen Elektronegativitas
ora Sumadhiya1.65
sesium unsur
0.659 2.7
5.4 Electropositivity
5.4.1 Pauling Electropositivity
2.882.34
Gold unsur
1.46 3.3
5.5 tenogo ionisasi
5.5.1 Level Energy 1st
534.40 kJ / mol26,130.00 kJ / mol
sesium unsur
375.7 26130
5.5.2 Level Energy 2
1,050.00 kJ / mol28,750.00 kJ / mol
uranium unsur
710.2162 28750
5.5.3 Level Energy 3rd
1,949.00 kJ / mol34,230.00 kJ / mol
osmium unsur
1600 34230
5.5.4 Level Energy 4
3,547.00 kJ / mol37,066.00 kJ / mol
thorium unsur
2780 37066
5.5.5 Level Energy 5th
6,325.00 kJ / mol97,510.00 kJ / mol
dubnium unsur
4305.2 97510
5.5.6 Level Energy 6th
7,490.00 kJ / mol105,800.00 kJ / mol
Seaborgium unsur
5715.8 105800
5.5.7 tingkat Energy 7
ora Sumadhiya114,300.00 kJ / mol
Bohrium unsur
7226.8 114300
5.5.8 Level Energy 8
ora Sumadhiya125,300.00 kJ / mol
hassium unsur
8857.4 125300
5.5.9 Level Energy 9
ora Sumadhiya134,700.00 kJ / mol
Yttrium unsur
14110 134700
5.5.10 Level Energy 10th
ora Sumadhiya144,300.00 kJ / mol
strontium unsur
17100 144300
5.5.11 Level Energy 11
ora Sumadhiya26,130.00 kJ / mol
Yttrium unsur
19900 169988
5.5.12 Level Energy 12
ora Sumadhiya28,750.00 kJ / mol
molybdenum unsur
22219 189368
5.5.13 Level Energy 13
ora Sumadhiya34,230.00 kJ / mol
molybdenum unsur
26930 76015
5.5.14 Level Energy 14
ora Sumadhiya37,066.00 kJ / mol
molybdenum unsur
29196 86450
5.5.15 Level Energy 15
ora Sumadhiya97,510.00 kJ / mol
Manganese unsur
41987 97510
5.5.16 Level Energy 16
ora Sumadhiya105,800.00 kJ / mol
Iron unsur
47206 109480
5.5.17 Level Energy 17
ora Sumadhiya114,300.00 kJ / mol
kobalt unsur
52737 122200
5.5.18 Level Energy 18
ora Sumadhiya125,300.00 kJ / mol
Nickel unsur
58570 134810
5.5.19 Level Energy 19
ora Sumadhiya134,700.00 kJ / mol
tembaga unsur
64702 148700
5.5.20 Level Energy 20
ora Sumadhiya144,300.00 kJ / mol
molybdenum unsur
80400 171200
5.5.21 Level Energy 21
ora Sumadhiya157,700.00 kJ / mol
molybdenum unsur
87000 179100
5.5.22 Level Energy 22
ora Sumadhiya166,090.00 kJ / mol
molybdenum unsur
93400 184900
5.5.23 Level Energy 23rd
ora Sumadhiyaora Sumadhiya
molybdenum unsur
98420 198800
5.5.24 Level Energy 24
ora Sumadhiyaora Sumadhiya
molybdenum unsur
104400 195200
5.5.25 Level Energy 25th
ora Sumadhiyaora Sumadhiya
molybdenum unsur
121900 121900
5.5.26 Level Energy 26th
ora Sumadhiyaora Sumadhiya
molybdenum unsur
127700 127700
5.5.27 Level Energy 27th
ora Sumadhiyaora Sumadhiya
molybdenum unsur
133800 133800
5.5.28 Level Energy 28th
ora Sumadhiyaora Sumadhiya
molybdenum unsur
139800 139800
5.5.29 Level Energy 29
ora Sumadhiyaora Sumadhiya
molybdenum unsur
148100 148100
5.5.30 Level Energy 30
ora Sumadhiyaora Sumadhiya
molybdenum unsur
154500 154500
5.6 padha karo elektrokimia
1.74 g / amp-day0.32 g / amp-day
Beryllium unsur
0.16812 8.3209
5.7 Fungsi Work elektron
2.84 eV4.50 eV
sesium unsur
2.14 5.65
5.8 Properties Kimia liyane
Kimia Stabilitas, anti Corrosion, ionisasi, Isotop radioaktif, kelarutan
anti Corrosion, Kimia Stabilitas, ionisasi, Isotop radioaktif, kelarutan
6 atom
6.1 Panggil atom
5824
lithium unsur
3 117
6.2 Konfigurasi elektron
[Xe] 4F 1 5d 1 6s 2
[Ar] 3d 5 4s 1
6.3 Struktur Crystal
Double Hexagonal Tutup dikempalken (DHCP)
Body tengah kubik (Bcc)
6.3.1 Crystal pola
6.4 atom
6.4.1 Jumlah proton
5824
lithium unsur
3 117
6.4.2 Jumlah Neutron
8228
lithium unsur
4 184
6.4.3 Jumlah Èlèktron
5824
lithium unsur
3 117
6.5 Radius saka Atom
6.5.1 Radius atom
181.80 pm128.00 pm
Beryllium unsur
112 265
6.5.2 kovalen Radius
204.00 pm139.00 pm
Beryllium unsur
96 260
6.5.3 Van der Waals Radius
235.00 pm200.00 pm
seng unsur
139 348
6.6 Bobot atom
140.12 Amu52.00 Amu
lithium unsur
6.94 294
6.7 Volume atom
20.67 cm3 / mol7.23 cm3 / mol
Manganese unsur
1.39 71.07
6.8 Nomer atom jejer
6.8.1 unsur Previous
6.8.2 Sabanjure unsur
6.9 Potensi Valence Electron
41.78 (-eV)170.00 (-eV)
Francium unsur
8 392.42
6.10 Constant pola
362.00 pm291.00 pm
Beryllium unsur
228.58 891.25
6.11 pola Angles
π/2, π/2, 2 π/3
π/2, π/2, π/2
6.12 Pola C / A rasio
ora Sumadhiyaora Sumadhiya
Beryllium unsur
1.567 1.886
7 Teknik
7.1 Kapadhetan
7.1.1 Kapadhetan Ing suhu kamar
6.77 g / cm 37.19 g / cm 3
lithium unsur
0.534 40.7
7.1.2 Kapadhetan Nalika Liquid (ing mp)
6.55 g / cm36.30 g / cm3
lithium unsur
0.512 20
7.2 Strength tensile
ora Sumadhiya689.00 MPa
Indium unsur
2.5 11000
7.3 viskositas
ora Sumadhiyaora Sumadhiya
Mercury unsur
0.001526 0.001526
7.4 meksa beluk
7.4.1 Meksa beluk ing 1000 K
0.00 (Pa)0.00 (Pa)
Palladium
2.47E-11 121
7.4.2 Meksa beluk ing 2000 K
1.04 (Pa)774.00 (Pa)
tungsten unsur
2.62E-10 774
7.5 situs kelenturan
7.5.1 nyukur pengaturan
13.50 GPA115.00 GPA
kalium unsur
1.3 222
7.5.2 pengaturan akeh
21.50 GPA160.00 GPA
sesium unsur
1.6 462
7.5.3 Young kang pengaturan
33.60 GPA279.00 GPA
sesium unsur
1.7 528
7.6 Poisson rasio
0.240.21
Beryllium unsur
0.032 0.47
7.7 Properties Teknik liyane
ductile, malleable
NA
8 Magnetic
8.1 Ciri Magnetic
8.1.1 Gravitasi tartamtu
6.777.19
lithium unsur
0.53 4500
8.1.2 Nindakake Magnetic
paramagnetic
Antiferromagnetic
8.1.3 permeabilitas
ora Sumadhiyaora Sumadhiya
Bismuth unsur
1.25643E-06 0.0063
8.1.4 kelemahan
ora Sumadhiyaora Sumadhiya
Bismuth unsur
-0.000166 200000
8.2 Properties Listrik
8.2.1 Property Listrik
Arman
NA
8.2.2 resistivity
828.00 nΩ · m125.00 nΩ · m
Thallium unsur
0.18 961
8.2.3 konduktivitas listrik
0.01 10 6 / cm Ω0.08 10 6 / cm Ω
plutonium unsur
0.00666 0.63
8.2.4 elektron Affinity
50.00 kJ / mol64.30 kJ / mol
Mercury unsur
0 222.8
9 termal
9.1 Kalor tartamtu
0.19 J / (kg K)0.45 J / (kg K)
americium unsur
0.11 3.6
9.2 Graham Kapasitas kalor
26.94 J / mol · K23.35 J / mol · K
Beryllium unsur
16.443 62.7
9.3 doyo termal
11.30 W / m · K93.90 W / m · K
neptunium unsur
6.3 429
9.4 suhu kritis
ora Sumadhiyaora Sumadhiya
ytterbium unsur
26.3 3223
9.5 Expansion termal
6.30 μm / (m · K)4.90 μm / (m · K)
tungsten unsur
4.5 97
9.6 enthalpy
9.6.1 Enthalpy panguapan
414.00 kJ / mol348.80 kJ / mol
seng unsur
7.32 799.1
9.6.2 Enthalpy saka Fusion
5.46 kJ / mol15.31 kJ / mol
sesium unsur
2.1 35.23
9.6.3 Enthalpy saka atomization
381.00 kJ / mol397.50 kJ / mol
Mercury unsur
61.5 837
9.7 Standard molar Entropy
72.00 J / mol.K23.80 J / mol.K
Beryllium unsur
9.5 198.1