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Cerium vs Iron

Cerium
Iron
Iron vs Cerium


Periodic Table
Symbol
Ce   
Fe   
Group Number
Not Available   
8   
10
Period Number
6   
4   
Block
f block   
d block   
Element Family
Lanthanide   
Transition Metal   
CAS Number
7440451   
99+
7439896   
99+
Space Group Name
P63/mmc   
Im_ 3m   
Space Group Number
194.00   
5
229.00   
1
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.
  
  • Iron is not always magnetic in nature, its allotrope are ferromagnetic and the B allotrope is nonmagnetic.
  • The blood consists Iron in hemoglobin molecules to transfer Oxygen in the body.
  
Sources
Found in Minerals, Mining, Ores of Minerals   
Earth's crust, Found in Minerals   
History
  
  
Who Discovered
Martin Heinrich Klaproth, Jöns Jakob Berzelius, Wilhelm Hisinger   
Unknown   
Discovery
In 1803   
Before 5000 BC   
Abundance
  
  
Abundance In Universe
1 * 10-6 %   
16
1.1 * 10-1 %   
1
Abundance In Sun
~0.0000004 %   
23
~0.1 %   
1
Abundance In Meteorites
0.00 %   
27
22.00 %   
1
Abundance In Earth's Crust
0.01 %   
18
6.30 %   
2
Abundance In Oceans
0.00 %   
33
0.00 %   
12
Abundance In Humans
Not Available   
0.01 %   
5
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.
  
  • Iron metal alloy steel is used in the application of civil engineering and manufacturing.
  • Alloys of iron with nickel, vanadium, chromium, tungsten and manganese have very useful properties.
  
Industrial Uses
Chemical Industry   
Aerospace Industry, Automobile Industry, Chemical Industry, Electrical Industry, Electronic Industry   
Medical Uses
Medical Research   
Pharmaceutical Industry, Surgical Instruments Manufacturing   
Other Uses
Alloys   
Alloys, Sculptures, Statues   
Biological Properties
  
  
Toxicity
Moderately Toxic   
Non Toxic   
Present in Human Body
Yes   
Yes   
In Blood
0.00 Blood/mg dm-3   
30
447.00 Blood/mg dm-3   
3
In Bone
2.70 p.p.m.   
14
380.00 p.p.m.   
5
Physical Properties
Melting Point
795.00 °C   
99+
1,535.00 °C   
25
Boiling Point
3,257.00 °C   
23
2,750.00 °C   
37
Appearance
  
  
Physical State
Solid   
Solid   
Color
Silvery White   
Gray   
Luster
Lustrous   
Metallic   
Hardness
  
  
Mohs Hardness
2.50   
14
4.00   
10
Brinell Hardness
186.00 MPa   
99+
200.00 MPa   
40
Vickers Hardness
210.00 MPa   
32
608.00 MPa   
18
Speed of Sound
2,100.00 m/s   
99+
5,120.00 m/s   
8
Optical Properties
  
  
Reflectivity
Not Available   
65.00 %   
12
Allotropes
No   
Yes   
α Allotropes
Not Available   
Ferrite (alpha Iron)   
β Allotropes
Not Available   
beta Iron   
γ Allotropes
Not Available   
gamma Iron   
Chemical Properties
Chemical Formula
Ce   
Fe   
Isotopes
  
  
Known Isotopes
30   
9
26   
13
Electronegativity
  
  
Pauling Electronegativity
1.12   
99+
1.83   
14
Sanderson Electronegativity
Not Available   
2.20   
7
Allred Rochow Electronegativity
1.08   
31
1.64   
8
Allen Electronegativity
Not Available   
1.80   
12
Electropositivity
  
  
Pauling Electropositivity
2.88   
11
2.17   
40
Ionization Energies
  
  
1st Energy Level
534.40 kJ/mol   
99+
762.50 kJ/mol   
17
2nd Energy Level
1,050.00 kJ/mol   
99+
1,561.90 kJ/mol   
36
3rd Energy Level
1,949.00 kJ/mol   
99+
2,957.00 kJ/mol   
29
4th Energy Level
3,547.00 kJ/mol   
99+
5,290.00 kJ/mol   
16
5th Energy Level
6,325.00 kJ/mol   
22
7,240.00 kJ/mol   
16
6th Energy Level
7,490.00 kJ/mol   
21
9,560.00 kJ/mol   
14
7th Energy level
Not Available   
12,060.00 kJ/mol   
15
8th Energy Level
Not Available   
14,580.00 kJ/mol   
14
9th Energy Level
Not Available   
22,540.00 kJ/mol   
5
10th Energy Level
Not Available   
25,290.00 kJ/mol   
8
11th Energy Level
Not Available   
28,000.00 kJ/mol   
9
12th Energy Level
Not Available   
31,920.00 kJ/mol   
9
13th Energy Level
Not Available   
34,830.00 kJ/mol   
9
14th Energy Level
Not Available   
37,840.00 kJ/mol   
11
15th Energy Level
Not Available   
44,100.00 kJ/mol   
11
16th Energy Level
Not Available   
47,206.00 kJ/mol   
13
17th Energy Level
Not Available   
122,200.00 kJ/mol   
1
18th Energy Level
Not Available   
131,000.00 kJ/mol   
2
19th Energy Level
Not Available   
140,500.00 kJ/mol   
3
20th Energy Level
Not Available   
152,600.00 kJ/mol   
5
21st Energy Level
Not Available   
163,000.00 kJ/mol   
5
22nd Energy Level
Not Available   
173,600.00 kJ/mol   
4
23rd Energy Level
Not Available   
188,100.00 kJ/mol   
4
24th Energy Level
Not Available   
195,200.00 kJ/mol   
1
Electrochemical Equivalent
1.74 g/amp-hr   
99+
0.69 g/amp-hr   
99+
Electron Work Function
2.84 eV   
39
4.70 eV   
10
Other Chemical Properties
Chemical Stability, Anti Corrosion, Ionization, Radioactive Isotopes, Solubility   
Corrosion, Ionization, Solubility   
Atomic Properties
Atomic Number
58   
99+
26   
99+
Electron Configuration
[Xe] 4f1 5d1 6s2   
[Ar] 3d6 4s2   
Crystal Structure
Double Hexagonal Close Packed (DHCP)   
Body Centered Cubic (BCC)   
Crystal Lattice
DHCP-Crystal-Structure-of-Cerium.jpg#100   
BCC-Crystal-Structure-.jpg#100   
Atom
  
  
Number of Protons
58   
99+
26   
99+
Number of Neutrons
82   
99+
30   
99+
Number of Electrons
58   
99+
26   
99+
Radius of an Atom
  
  
Atomic Radius
181.80 pm   
12
126.00 pm   
99+
Covalent Radius
204.00 pm   
8
132.00 pm   
99+
Van der Waals Radius
235.00 pm   
17
200.00 pm   
28
Atomic Weight
140.12 amu   
99+
55.85 amu   
99+
Atomic Volume
20.67 cm3/mol   
17
7.10 cm3/mol   
99+
Adjacent Atomic Numbers
  
  
Previous Element
Lanthanum
  
Manganese
  
Next Element
Praseodymium
  
Cobalt
  
Valence Electron Potential
41.78 (-eV)   
99+
67.00 (-eV)   
20
Lattice Constant
362.00 pm   
34
286.65 pm   
99+
Lattice Angles
π/2, π/2, 2 π/3   
π/2, π/2, π/2   
Lattice C/A Ratio
Not Available   
Not Available   
Mechanical Properties
Density
  
  
Density At Room Temperature
6.77 g/cm3   
99+
7.87 g/cm3   
99+
Density When Liquid (at m.p.)
6.55 g/cm3   
38
6.98 g/cm3   
35
Tensile Strength
Not Available   
11,000.00 MPa   
1
Viscosity
Not Available   
Not Available   
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)   
34
0.00 (Pa)   
28
Vapor Pressure at 2000 K
1.04 (Pa)   
13
36.80 (Pa)   
5
Elasticity properties
  
  
Shear Modulus
13.50 GPa   
99+
82.00 GPa   
11
Bulk Modulus
21.50 GPa   
99+
170.00 GPa   
10
Young's Modulus
33.60 GPa   
99+
211.00 GPa   
9
Poisson Ratio
0.24   
27
0.29   
15
Other Mechanical Properties
Ductile, Malleable   
Ductile, Malleable, Weldable   
Magnetic Properties
Magnetic Characteristics
  
  
Specific Gravity
6.77   
99+
7.20   
99+
Magnetic Ordering
Paramagnetic   
Ferromagnetic   
Permeability
Not Available   
6.3 * 10-3 H/m   
1
Susceptibility
Not Available   
2,00,000.00   
1
Electrical Properties
  
  
Electrical Property
Conductor   
Conductor   
Resistivity
828.00 nΩ·m   
3
96.10 nΩ·m   
32
Electrical Conductivity
0.01 106/cm Ω   
99+
0.10 106/cm Ω   
20
Electron Affinity
50.00 kJ/mol   
21
15.70 kJ/mol   
34
Thermal Properties
Specific Heat
0.19 J/(kg K)   
32
0.44 J/(kg K)   
13
Molar Heat Capacity
26.94 J/mol·K   
23
25.10 J/mol·K   
99+
Thermal Conductivity
11.30 W/m·K   
99+
80.40 W/m·K   
22
Critical Temperature
Not Available   
Not Available   
Thermal Expansion
6.30 µm/(m·K)   
99+
11.80 µm/(m·K)   
33
Enthalpy
  
  
Enthalpy of Vaporization
414.00 kJ/mol   
16
351.00 kJ/mol   
23
Enthalpy of Fusion
5.46 kJ/mol   
99+
14.90 kJ/mol   
22
Enthalpy of Atomization
381.00 kJ/mol   
23
414.20 kJ/mol   
19
Standard Molar Entropy
72.00 J/mol.K   
12
27.30 J/mol.K   
99+
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