1 Periodic Table
1.1 Symbol
1.2 Group Number
1.5 Period Number
1.6 Block
1.7 Element Family
1.8 CAS Number
74406117440451
7429905
54386242
1.10 Space Group Name
1.11 Space Group Number
2 Facts
2.1 Interesting Facts
- Major mining countries of Uranium include Russia, Australia, Namibia, Canada and Niger and total 33% Uranium are mine in Kazakhstan.
- 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.
2.2 Sources
Earth's crust, Mining, Ores of Minerals
Found in Minerals, Mining, Ores of Minerals
2.3 History
2.3.1 Who Discovered
Not Available
Martin Heinrich Klaproth, Jöns Jakob Berzelius, Wilhelm Hisinger
2.3.2 Discovery
2.4 Abundance
2.4.1 Abundance In Universe
2 * 10-8 %1 * 10-6 %
5E-09
0.11
2.6.1 Abundance In Sun
~0.0000001 %~0.0000004 %
1E-08
0.1
3.1.2 Abundance In Meteorites
3.1.4 Abundance In Earth's Crust
3.2.1 Abundance In Oceans
3.3.1 Abundance In Humans
4 Uses
4.1 Uses & Benefits
- The main use of this metal include nuclear fuel which is used to generate electricity yin nuclear power stations.
-
Synthetic elements like transuranium are made from Uranium metal.
- 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.
4.1.1 Industrial Uses
Ammunition Industry, Chemical Industry
Chemical Industry
4.1.2 Medical Uses
4.1.3 Other Uses
Alloys, Jewellery, Nuclear Reactor's Fuel, Sculptures, Statues
Alloys
4.2 Biological Properties
4.2.1 Toxicity
4.2.2 Present in Human Body
4.2.3 In Blood
NA0.00 Blood/mg dm-3
0
1970
4.2.5 In Bone
5 Physical
5.1 Melting Point
1,132.00 °C795.00 °C
27
3410
5.2 Boiling Point
3,818.00 °C3,257.00 °C
147
5660
5.3 Appearance
5.3.1 Physical State
5.3.3 Color
Silvery Gray
Silvery White
5.3.4 Luster
5.4 Hardness
5.4.1 Mohs Hardness
5.5.1 Brinell Hardness
2,350.00 MPa186.00 MPa
0.14
3490
5.5.2 Vickers Hardness
1,960.00 MPa210.00 MPa
121
3430
6.2 Speed of Sound
3,155.00 m/s2,100.00 m/s
818
16200
6.3 Optical Properties
6.3.1 Refractive Index
6.3.2 Reflectivity
6.4 Allotropes
6.4.1 α Allotropes
Not Available
Not Available
6.4.2 β Allotropes
Not Available
Not Available
6.4.3 γ Allotropes
Not Available
Not Available
7 Chemical
7.1 Chemical Formula
7.2 Isotopes
7.2.1 Known Isotopes
7.4 Electronegativity
7.4.1 Pauling Electronegativity
7.4.3 Sanderson Electronegativity
7.4.5 Allred Rochow Electronegativity
7.4.6 Mulliken-Jaffe Electronegativity
8.1.1 Allen Electronegativity
8.3 Electropositivity
8.3.1 Pauling Electropositivity
8.5 Ionization Energies
8.5.1 1st Energy Level
597.60 kJ/mol534.40 kJ/mol
375.7
26130
8.5.2 2nd Energy Level
1,420.00 kJ/mol1,050.00 kJ/mol
710.2162
28750
8.6.1 3rd Energy Level
1,900.00 kJ/mol1,949.00 kJ/mol
1600
34230
8.7.1 4th Energy Level
3,145.00 kJ/mol3,547.00 kJ/mol
2780
37066
8.7.2 5th Energy Level
NA6,325.00 kJ/mol
4305.2
97510
8.8.2 6th Energy Level
NA7,490.00 kJ/mol
5715.8
105800
8.8.4 7th Energy level
8.8.6 8th Energy Level
8.8.7 9th Energy Level
8.9.1 10th Energy Level
8.9.2 11th Energy Level
8.9.3 12th Energy Level
8.9.4 13th Energy Level
8.9.5 14th Energy Level
8.9.6 15th Energy Level
8.9.7 16th Energy Level
8.9.8 17th Energy Level
8.9.9 18th Energy Level
8.9.10 19th Energy Level
8.9.11 20th Energy Level
8.9.12 21st Energy Level
8.9.13 22nd Energy Level
8.9.14 23rd Energy Level
8.9.15 24th Energy Level
8.9.16 25th Energy Level
8.9.17 26th Energy Level
8.9.18 27th Energy Level
8.9.19 28th Energy Level
8.9.20 29th Energy Level
8.9.21 30th Energy Level
8.10 Electrochemical Equivalent
1.48 g/amp-hr1.74 g/amp-hr
0.16812
8.3209
8.11 Electron Work Function
8.12 Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity
Chemical Stability, Anti Corrosion, Ionization, Radioactive Isotopes, Solubility
9 Atomic
9.1 Atomic Number
9.2 Electron Configuration
[Rn] 5f3 6d1 7s2
[Xe] 4f1 5d1 6s2
9.3 Crystal Structure
Orthorhombic (ORTH)
Double Hexagonal Close Packed (DHCP)
9.3.1 Crystal Lattice
9.4 Atom
9.4.1 Number of Protons
9.4.2 Number of Neutrons
9.4.3 Number of Electrons
9.5 Radius of an Atom
9.5.1 Atomic Radius
156.00 pm181.80 pm
112
265
9.5.2 Covalent Radius
196.00 pm204.00 pm
96
260
9.5.3 Van der Waals Radius
186.00 pm235.00 pm
139
348
9.6 Atomic Weight
238.03 amu140.12 amu
6.94
294
9.7 Atomic Volume
12.59 cm3/mol20.67 cm3/mol
1.39
71.07
9.8 Adjacent Atomic Numbers
9.8.1 Previous Element
9.8.2 Next Element
9.9 Valence Electron Potential
170.00 (-eV)41.78 (-eV)
8
392.42
9.10 Lattice Constant
295.08 pm362.00 pm
228.58
891.25
9.11 Lattice Angles
π/2, π/2, π/2
π/2, π/2, 2 π/3
9.12 Lattice C/A Ratio
10 Mechanical
10.1 Density
10.1.1 Density At Room Temperature
19.10 g/cm36.77 g/cm3
0.534
40.7
10.1.2 Density When Liquid (at m.p.)
17.30 g/cm36.55 g/cm3
0.512
20
10.2 Tensile Strength
10.3 Viscosity
10.4 Vapor Pressure
10.4.1 Vapor Pressure at 1000 K
10.4.2 Vapor Pressure at 2000 K
0.01 (Pa)1.04 (Pa)
2.62E-10
774
10.5 Elasticity properties
10.5.1 Shear Modulus
111.00 GPa13.50 GPa
1.3
222
10.5.2 Bulk Modulus
100.00 GPa21.50 GPa
1.6
462
10.5.3 Young's Modulus
208.00 GPa33.60 GPa
1.7
528
10.6 Poisson Ratio
10.7 Other Mechanical Properties
Ductile, Malleable
Ductile, Malleable
11 Magnetic
11.1 Magnetic Characteristics
11.1.1 Specific Gravity
11.1.2 Magnetic Ordering
Paramagnetic
Paramagnetic
11.1.3 Permeability
11.1.4 Susceptibility
11.2 Electrical Properties
11.2.1 Electrical Property
11.2.2 Resistivity
0.28 nΩ·m828.00 nΩ·m
0.18
961
11.2.3 Electrical Conductivity
0.04 106/cm Ω0.01 106/cm Ω
0.00666
0.63
11.2.4 Electron Affinity
12 Thermal
12.1 Specific Heat
0.12 J/(kg K)0.19 J/(kg K)
0.11
3.6
12.2 Molar Heat Capacity
27.67 J/mol·K26.94 J/mol·K
16.443
62.7
12.3 Thermal Conductivity
27.50 W/m·K11.30 W/m·K
6.3
429
12.4 Critical Temperature
12.5 Thermal Expansion
13.90 µm/(m·K)6.30 µm/(m·K)
4.5
97
12.6 Enthalpy
12.6.1 Enthalpy of Vaporization
477.00 kJ/mol414.00 kJ/mol
7.32
799.1
12.6.2 Enthalpy of Fusion
15.48 kJ/mol5.46 kJ/mol
2.1
35.23
12.6.3 Enthalpy of Atomization
489.50 kJ/mol381.00 kJ/mol
61.5
837
12.7 Standard Molar Entropy
50.20 J/mol.K72.00 J/mol.K
9.5
198.1