Home
 Compare Metals

What is Cerium?
Cerium


Periodic Table
Symbol
Ce
Group Number
3 15
Period Number
6 2
Block
f block
Element Family
Lanthanide
CAS Number
7440451 41
Space Group Name
P63/mmc
Space Group Number
194.00 7
Facts
Interesting Facts
  • Cerium is a rare earth metal but still it is not rare at all.
  • It’s non-toxic compound Cerium sulfide has a rich red color and it is used as a pigment.
  • Cerium metal is also used in Flat screen TVs, light bulb, floodlights, etc.
Sources
Found in Minerals, Mining, Ores of Minerals
History
Who Discovered
Martin Heinrich Klaproth, Jöns Jakob Berzelius, Wilhelm Hisinger
Discovery
In 1803
Abundance
Abundance In Universe
0.00 % 17
Abundance In Sun
0.00 % 23
Abundance In Meteorites
0.00 % 27
Abundance In Earth's Crust
0.01 % 18
Abundance In Oceans
0.00 % 33
Abundance In Humans
0.00 % 24
Uses
Uses & Benefits
  • It is used to include flints for cigarette lighters.
  • Its compound Cerium (Ill) Oxide is used as a catalyst; it is put inside the walls of the oven as it prevents from the buildup of cooking residues.
Industrial Uses
Chemical Industry
Medical Uses
Medical Research
Other Uses
Alloys
Biological Properties
Toxicity
Moderately Toxic
Present in Human Body
Yes
In Blood
0.00 Blood/mg dm-3 30
In Bone
2.70 p.p.m. 14
Physical
Melting Point
795.00 °C 56
Boiling Point
3,257.00 °C 24
Appearance
Physical State
Solid
Color
Silvery White
Luster
Lustrous
Hardness
Mohs Hardness
2.50 15
Brinell Hardness
186.00 MPa 53
Vickers Hardness
210.00 MPa 52
Speed of Sound
2,100.00 m/s 60
Optical Properties
Refractive Index
2.20 9
Reflectivity
68.00 % 15
Allotropes
No
α Allotropes
-
β Allotropes
-
γ Allotropes
-
Chemical
Chemical Formula
Ce
Isotopes
Known Isotopes
30 9
Electronegativity
Pauling Electronegativity
1.12 44
Sanderson Electronegativity
1.12 37
Allred Rochow Electronegativity
1.08 32
Mulliken-Jaffe Electronegativity
1.12 43
Allen Electronegativity
1.12 54
Electropositivity
Pauling Electropositivity
2.88 11
Ionization Energies
1st Energy Level
534.40 kJ/mol 76
2nd Energy Level
1,050.00 kJ/mol 79
3rd Energy Level
1,949.00 kJ/mol 82
4th Energy Level
3,547.00 kJ/mol 65
5th Energy Level
6,325.00 kJ/mol 37
6th Energy Level
7,490.00 kJ/mol 38
7th Energy level
5,340.00 kJ/mol 72
8th Energy Level
5,340.00 kJ/mol 71
9th Energy Level
5,340.00 kJ/mol 69
10th Energy Level
5,340.00 kJ/mol 68
11th Energy Level
5,340.00 kJ/mol 73
12th Energy Level
5,340.00 kJ/mol 76
13th Energy Level
5,650.00 kJ/mol 58
14th Energy Level
5,340.00 kJ/mol 52
15th Energy Level
53,400.00 kJ/mol 65
16th Energy Level
53,400.00 kJ/mol 53
17th Energy Level
534.40 kJ/mol 81
18th Energy Level
5,340.00 kJ/mol 67
19th Energy Level
534.40 kJ/mol 80
20th Energy Level
534.00 kJ/mol 71
21st Energy Level
5,346.00 kJ/mol 24
22nd Energy Level
594.00 kJ/mol 46
23rd Energy Level
5,346.00 kJ/mol 26
24th Energy Level
565.50 kJ/mol 63
25th Energy Level
534.40 kJ/mol 68
26th Energy Level
565.50 kJ/mol 69
27th Energy Level
565.50 kJ/mol 65
28th Energy Level
565.50 kJ/mol 69
29th Energy Level
565.50 kJ/mol 71
30th Energy Level
594.00 kJ/mol 52
Electrochemical Equivalent
1.74 g/amp-hr 45
Electron Work Function
2.84 eV 50
Other Chemical Properties
Chemical Stability, Anti Corrosion, Ionization, Radioactive Isotopes, Solubility
Atomic
Atomic Number
58 58
Electron Configuration
[Xe] 4f1 5d1 6s2
Crystal Structure
Double Hexagonal Close Packed (DHCP)
Crystal Lattice
DHCP-Crystal-Structure-of-Cerium.jpg#100
Atom
Number of Protons
58 57
Number of Neutrons
82 42
Number of Electrons
58 57
Radius of an Atom
Atomic Radius
181.80 pm 14
Covalent Radius
204.00 pm 8
Van der Waals Radius
235.00 pm 21
Atomic Weight
140.12 amu 52
Atomic Volume
20.67 cm3/mol 27
Adjacent Atomic Numbers
Previous Element
72
Next Element
81
Valence Electron Potential
41.78 (-eV) 46
Lattice Constant
362.00 pm 38
Lattice Angles
π/2, π/2, 2 π/3
Lattice C/A Ratio
1.59 31
Mechanical
Density
Density At Room Temperature
6.77 g/cm3 68
Density When Liquid (at m.p.)
6.55 g/cm3 67
Tensile Strength
270.00 MPa 17
Viscosity
0.00 23
Vapor Pressure
Vapor Pressure at 1000 K
0.00 (Pa) 36
Vapor Pressure at 2000 K
1.04 (Pa) 13
Elasticity properties
Shear Modulus
13.50 GPa 52
Bulk Modulus
21.50 GPa 54
Young's Modulus
33.60 GPa 48
Poisson Ratio
0.24 27
Other Mechanical Properties
Ductile, Malleable
Magnetic
Magnetic Characteristics
Specific Gravity
6.77 66
Magnetic Ordering
Paramagnetic
Permeability
0.00 H/m 7
Susceptibility
0.00 24
Electrical Properties
Electrical Property
Conductor
Resistivity
828.00 nΩ·m 3
Electrical Conductivity
0.01 106/cm Ω 59
Electron Affinity
50.00 kJ/mol 26
Thermal
Specific Heat
0.19 J/(kg K) 33
Molar Heat Capacity
26.94 J/mol·K 30
Thermal Conductivity
11.30 W/m·K 63
Critical Temperature
1,071.00 K 58
Thermal Expansion
6.30 µm/(m·K) 67
Enthalpy
Enthalpy of Vaporization
414.00 kJ/mol 22
Enthalpy of Fusion
5.46 kJ/mol 59
Enthalpy of Atomization
381.00 kJ/mol 31
Standard Molar Entropy
72.00 J/mol.K 12
Periodic Table >>
<< All

Lanthanide Series

Compare Lanthanide Series

Lanthanide Series

» More Lanthanide Series

Compare Lanthanide Series

» More Compare Lanthanide Series
Home | About | Contact | Disclaimer | Terms of use
© A softusvista inc. venture!