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Sodium vs Cerium

Sodium
Cerium
Cerium vs Sodium


Periodic Table
Symbol
Na   
Ce   
Group Number
1   
17
Not Available   
Period Number
3   
6   
Block
s block   
f block   
Element Family
Alkali   
Lanthanide   
CAS Number
7440235   
99+
7440451   
99+
Space Group Name
Im_ 3m   
P63/mmc   
Space Group Number
229.00   
1
194.00   
5
Facts
Interesting Facts
  • At room temperature Sodium metal is very soft as it can be chopped down into pieces with butter knife.
  • The most common compound of Sodium is NaCl (Salt).
  
  • 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
By Electrolysis Process, Mining   
Found in Minerals, Mining, Ores of Minerals   
History
  
  
Who Discovered
Humphry Davy   
Martin Heinrich Klaproth, Jöns Jakob Berzelius, Wilhelm Hisinger   
Discovery
In 1807   
In 1803   
Abundance
  
  
Abundance In Universe
2 * 10-3 %   
6
1 * 10-6 %   
16
Abundance In Sun
~0.004 %   
6
~0.0000004 %   
23
Abundance In Meteorites
0.55 %   
6
0.00 %   
27
Abundance In Earth's Crust
2.30 %   
5
0.01 %   
18
Abundance In Oceans
1.10 %   
1
0.00 %   
33
Abundance In Humans
0.14 %   
3
Not Available   
Uses
Uses & Benefits
  • In some nuclear reactors sodium is used as a heat exchanger.
  • Compound of Sodium metals called Salt (Sodium chloride) is used in Food.
  
  • 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
Electrical Industry, Electronic Industry   
Chemical Industry   
Medical Uses
Pharmaceutical Industry   
Medical Research   
Other Uses
Alloys   
Alloys   
Biological Properties
  
  
Toxicity
Toxic   
Moderately Toxic   
Present in Human Body
Yes   
Yes   
In Blood
1,970.00 Blood/mg dm-3   
1
0.00 Blood/mg dm-3   
30
In Bone
10,000.00 p.p.m.   
2
2.70 p.p.m.   
14
Physical Properties
Melting Point
97.72 °C   
99+
795.00 °C   
99+
Boiling Point
883.00 °C   
99+
3,257.00 °C   
23
Appearance
  
  
Physical State
Solid   
Solid   
Color
Silvery White   
Silvery White   
Luster
Metallic   
Lustrous   
Hardness
  
  
Mohs Hardness
0.50   
22
2.50   
14
Brinell Hardness
0.69 MPa   
99+
186.00 MPa   
99+
Vickers Hardness
Not Available   
210.00 MPa   
32
Speed of Sound
3,200.00 m/s   
24
2,100.00 m/s   
99+
Optical Properties
  
  
Allotropes
No   
No   
α Allotropes
Not Available   
Not Available   
β Allotropes
Not Available   
Not Available   
γ Allotropes
Not Available   
Not Available   
Chemical Properties
Chemical Formula
Na   
Ce   
Isotopes
  
  
Known Isotopes
17   
22
30   
9
Electronegativity
  
  
Pauling Electronegativity
0.93   
99+
1.12   
99+
Sanderson Electronegativity
0.56   
30
Not Available   
Allred Rochow Electronegativity
1.01   
35
1.08   
31
Mulliken-Jaffe Electronegativity
0.91   
21
Not Available   
Allen Electronegativity
0.87   
99+
Not Available   
Electropositivity
  
  
Pauling Electropositivity
3.07   
6
2.88   
11
Ionization Energies
  
  
1st Energy Level
495.80 kJ/mol   
99+
534.40 kJ/mol   
99+
2nd Energy Level
4,562.00 kJ/mol   
4
1,050.00 kJ/mol   
99+
3rd Energy Level
6,910.30 kJ/mol   
6
1,949.00 kJ/mol   
99+
4th Energy Level
9,543.00 kJ/mol   
5
3,547.00 kJ/mol   
99+
5th Energy Level
13,354.00 kJ/mol   
4
6,325.00 kJ/mol   
22
6th Energy Level
16,613.00 kJ/mol   
4
7,490.00 kJ/mol   
21
7th Energy level
20,117.00 kJ/mol   
4
Not Available   
8th Energy Level
25,496.00 kJ/mol   
4
Not Available   
9th Energy Level
28,932.00 kJ/mol   
4
Not Available   
10th Energy Level
141,362.00 kJ/mol   
2
Not Available   
11th Energy Level
159,076.00 kJ/mol   
2
Not Available   
Electrochemical Equivalent
0.86 g/amp-hr   
99+
1.74 g/amp-hr   
99+
Electron Work Function
2.75 eV   
40
2.84 eV   
39
Other Chemical Properties
Chemical Stability, Corrosion, Flammability, Ionization, Solubility   
Chemical Stability, Anti Corrosion, Ionization, Radioactive Isotopes, Solubility   
Atomic Properties
Atomic Number
11   
99+
58   
99+
Electron Configuration
[Ne] 3s1   
[Xe] 4f1 5d1 6s2   
Crystal Structure
Body Centered Cubic (BCC)   
Double Hexagonal Close Packed (DHCP)   
Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
DHCP-Crystal-Structure-of-Cerium.jpg#100   
Atom
  
  
Number of Protons
11   
99+
58   
99+
Number of Neutrons
12   
99+
82   
99+
Number of Electrons
11   
99+
58   
99+
Radius of an Atom
  
  
Atomic Radius
186.00 pm   
9
181.80 pm   
12
Covalent Radius
166.00 pm   
27
204.00 pm   
8
Van der Waals Radius
227.00 pm   
21
235.00 pm   
17
Atomic Weight
22.99 amu   
99+
140.12 amu   
99+
Atomic Volume
23.70 cm3/mol   
10
20.67 cm3/mol   
17
Adjacent Atomic Numbers
  
  
Previous Element
Beryllium
  
Lanthanum
  
Next Element
Magnesium
  
Praseodymium
  
Valence Electron Potential
14.10 (-eV)   
99+
41.78 (-eV)   
99+
Lattice Constant
429.06 pm   
19
362.00 pm   
34
Lattice Angles
π/2, π/2, π/2   
π/2, π/2, 2 π/3   
Lattice C/A Ratio
Not Available   
Not Available   
Mechanical Properties
Density
  
  
Density At Room Temperature
0.97 g/cm3   
99+
6.77 g/cm3   
99+
Density When Liquid (at m.p.)
0.93 g/cm3   
99+
6.55 g/cm3   
38
Tensile Strength
Not Available   
Not Available   
Viscosity
Not Available   
Not Available   
Vapor Pressure
  
  
Vapor Pressure at 1000 K
Not Available   
0.00 (Pa)   
34
Vapor Pressure at 2000 K
Not Available   
1.04 (Pa)   
13
Elasticity properties
  
  
Shear Modulus
3.30 GPa   
99+
13.50 GPa   
99+
Bulk Modulus
6.30 GPa   
99+
21.50 GPa   
99+
Young's Modulus
10.00 GPa   
99+
33.60 GPa   
99+
Poisson Ratio
Not Available   
0.24   
27
Other Mechanical Properties
NA   
Ductile, Malleable   
Magnetic Properties
Magnetic Characteristics
  
  
Specific Gravity
0.97   
99+
6.77   
99+
Magnetic Ordering
Paramagnetic   
Paramagnetic   
Electrical Properties
  
  
Electrical Property
Conductor   
Conductor   
Resistivity
47.70 nΩ·m   
99+
828.00 nΩ·m   
3
Electrical Conductivity
0.21 106/cm Ω   
9
0.01 106/cm Ω   
99+
Electron Affinity
52.80 kJ/mol   
19
50.00 kJ/mol   
21
Thermal Properties
Specific Heat
1.23 J/(kg K)   
3
0.19 J/(kg K)   
32
Molar Heat Capacity
28.23 J/mol·K   
10
26.94 J/mol·K   
23
Thermal Conductivity
142.00 W/m·K   
11
11.30 W/m·K   
99+
Critical Temperature
2,573.00 K   
2
Not Available   
Thermal Expansion
71.00 µm/(m·K)   
4
6.30 µm/(m·K)   
99+
Enthalpy
  
  
Enthalpy of Vaporization
89.04 kJ/mol   
99+
414.00 kJ/mol   
16
Enthalpy of Fusion
2.59 kJ/mol   
99+
5.46 kJ/mol   
99+
Enthalpy of Atomization
108.40 kJ/mol   
99+
381.00 kJ/mol   
23
Standard Molar Entropy
51.30 J/mol.K   
28
72.00 J/mol.K   
12
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