Iron vs Platinum
Periodic Table
Symbol
Fe
Pt
Group Number
8
10
10
8
Period Number
4
6
Block
d block
d block
Element Family
Transition Metal
Transition Metal
CAS Number
7439896
99+
7440064
99+
Space Group Name
Im_ 3m
Fm_ 3m
Space Group Number
229.00
1
225.00
2
Facts
Interesting Facts
- 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.
- Platinum is the rarest metal from the Precious metal categories..
- Commercially Platinum is produced as a byproduct in ores of nickel.
Sources
Earth's crust, Found in Minerals
Mining, Ores of metals, Ores of Minerals
History
Who Discovered
Unknown
Antonio de Ulloa
Discovery
Before 5000 BC
In 1735
Abundance
Abundance In Universe
1.1 * 10-1 %
1
5 * 10-7 %
19
Abundance In Sun
~0.1 %
1
~0.0000009 %
19
Abundance In Meteorites
22.00 %
1
0.00 %
25
Abundance In Earth's Crust
6.30 %
2
0.00 %
99+
Abundance In Oceans
0.00 %
12
Not Available
Abundance In Humans
0.01 %
5
Not Available
Uses
Uses & Benefits
- 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.
- Platinum metal is mainly used in jewellery.
- Platinum is used as an industrial catalyst in production of nitric acid, silicone and benzene.
Industrial Uses
Aerospace Industry, Automobile Industry, Chemical Industry, Electrical Industry, Electronic Industry
Aerospace Industry, Chemical Industry
Medical Uses
Pharmaceutical Industry, Surgical Instruments Manufacturing
Dentistry, Pharmaceutical Industry, Surgical Instruments Manufacturing
Other Uses
Alloys, Sculptures, Statues
Alloys, Bullion, Coinage, Jewellery, Sculptures, Statues
Biological Properties
Toxicity
Non Toxic
Non Toxic
Present in Human Body
Yes
No
In Blood
447.00 Blood/mg dm-3
3
Not Available
In Bone
380.00 p.p.m.
5
Not Available
Physical Properties
Melting Point
1,535.00 °C
25
1,772.00 °C
16
Boiling Point
2,750.00 °C
37
3,827.00 °C
15
Appearance
Physical State
Solid
Solid
Color
Gray
Silvery White
Luster
Metallic
Metallic
Hardness
Mohs Hardness
4.00
10
3.50
11
Brinell Hardness
200.00 MPa
40
300.00 MPa
34
Vickers Hardness
608.00 MPa
18
400.00 MPa
25
Speed of Sound
5,120.00 m/s
8
2,800.00 m/s
29
Optical Properties
Reflectivity
65.00 %
12
73.00 %
8
Allotropes
Yes
No
α Allotropes
Ferrite (alpha Iron)
Not Available
β Allotropes
beta Iron
Not Available
γ Allotropes
gamma Iron
Not Available
Chemical Properties
Chemical Formula
Fe
Pt
Isotopes
Known Isotopes
26
13
35
4
Electronegativity
Pauling Electronegativity
1.83
14
2.28
3
Sanderson Electronegativity
2.20
7
Not Available
Allred Rochow Electronegativity
1.64
8
1.44
17
Allen Electronegativity
1.80
12
1.72
16
Electropositivity
Pauling Electropositivity
2.17
40
1.72
99+
Ionization Energies
1st Energy Level
762.50 kJ/mol
17
870.00 kJ/mol
10
2nd Energy Level
1,561.90 kJ/mol
36
1,791.00 kJ/mol
21
3rd Energy Level
2,957.00 kJ/mol
29
Not Available
4th Energy Level
5,290.00 kJ/mol
16
Not Available
5th Energy Level
7,240.00 kJ/mol
16
Not Available
6th Energy Level
9,560.00 kJ/mol
14
Not Available
7th Energy level
12,060.00 kJ/mol
15
Not Available
8th Energy Level
14,580.00 kJ/mol
14
Not Available
9th Energy Level
22,540.00 kJ/mol
5
Not Available
10th Energy Level
25,290.00 kJ/mol
8
Not Available
11th Energy Level
28,000.00 kJ/mol
9
Not Available
12th Energy Level
31,920.00 kJ/mol
9
Not Available
13th Energy Level
34,830.00 kJ/mol
9
Not Available
14th Energy Level
37,840.00 kJ/mol
11
Not Available
15th Energy Level
44,100.00 kJ/mol
11
Not Available
16th Energy Level
47,206.00 kJ/mol
13
Not Available
17th Energy Level
122,200.00 kJ/mol
1
Not Available
18th Energy Level
131,000.00 kJ/mol
2
Not Available
19th Energy Level
140,500.00 kJ/mol
3
Not Available
20th Energy Level
152,600.00 kJ/mol
5
Not Available
21st Energy Level
163,000.00 kJ/mol
5
Not Available
22nd Energy Level
173,600.00 kJ/mol
4
Not Available
23rd Energy Level
188,100.00 kJ/mol
4
Not Available
24th Energy Level
195,200.00 kJ/mol
1
Not Available
Electrochemical Equivalent
0.69 g/amp-hr
99+
1.82 g/amp-hr
35
Electron Work Function
4.70 eV
10
5.65 eV
1
Other Chemical Properties
Corrosion, Ionization, Solubility
Chemical Stability, Anti Corrosion, Ionization
Atomic Properties
Atomic Number
26
99+
78
38
Electron Configuration
[Ar] 3d6 4s2
[Xe] 4f14 5d9 6s1
Crystal Structure
Body Centered Cubic (BCC)
Face Centered Cubic (FCC)
Crystal Lattice
BCC-Crystal-Structure-.jpg#100
FCC-Crystal-Structure-of-Platinum.jpg#100
Atom
Number of Protons
26
99+
78
38
Number of Neutrons
30
99+
117
24
Number of Electrons
26
99+
78
38
Radius of an Atom
Atomic Radius
126.00 pm
99+
139.00 pm
39
Covalent Radius
132.00 pm
99+
136.00 pm
99+
Van der Waals Radius
200.00 pm
28
175.00 pm
36
Atomic Weight
55.85 amu
99+
47.87 amu
99+
Atomic Volume
7.10 cm3/mol
99+
9.09 cm3/mol
99+
Adjacent Atomic Numbers
Valence Electron Potential
67.00 (-eV)
20
392.42 (-eV)
1
Lattice Constant
286.65 pm
99+
392.42 pm
24
Lattice Angles
π/2, π/2, π/2
π/2, π/2, π/2
Lattice C/A Ratio
Not Available
Not Available
Mechanical Properties
Density
Density At Room Temperature
7.87 g/cm3
99+
21.45 g/cm3
11
Density When Liquid (at m.p.)
6.98 g/cm3
35
19.77 g/cm3
2
Tensile Strength
11,000.00 MPa
1
125.00 MPa
14
Viscosity
Not Available
Not Available
Vapor Pressure
Vapor Pressure at 1000 K
0.00 (Pa)
28
Not Available
Vapor Pressure at 2000 K
36.80 (Pa)
5
0.07 (Pa)
18
Elasticity properties
Shear Modulus
82.00 GPa
11
61.00 GPa
14
Bulk Modulus
170.00 GPa
10
230.00 GPa
6
Young's Modulus
211.00 GPa
9
168.00 GPa
14
Poisson Ratio
0.29
15
0.38
6
Other Mechanical Properties
Ductile, Malleable, Weldable
Ductile, Malleable
Magnetic Properties
Magnetic Characteristics
Specific Gravity
7.20
99+
21.45
4
Magnetic Ordering
Ferromagnetic
Paramagnetic
Permeability
6.3 * 10-3 H/m
1
0.00 H/m
3
Susceptibility
2,00,000.00
1
Not Available
Electrical Properties
Electrical Property
Conductor
Conductor
Resistivity
96.10 nΩ·m
32
105.00 nΩ·m
30
Electrical Conductivity
0.10 106/cm Ω
20
0.10 106/cm Ω
21
Electron Affinity
15.70 kJ/mol
34
205.30 kJ/mol
2
Thermal Properties
Specific Heat
0.44 J/(kg K)
13
0.13 J/(kg K)
39
Molar Heat Capacity
25.10 J/mol·K
99+
25.86 J/mol·K
35
Thermal Conductivity
80.40 W/m·K
22
71.60 W/m·K
24
Critical Temperature
Not Available
Not Available
Thermal Expansion
11.80 µm/(m·K)
33
8.80 µm/(m·K)
99+
Enthalpy
Enthalpy of Vaporization
351.00 kJ/mol
23
510.50 kJ/mol
11
Enthalpy of Fusion
14.90 kJ/mol
22
19.70 kJ/mol
12
Enthalpy of Atomization
414.20 kJ/mol
19
565.00 kJ/mol
11
Standard Molar Entropy
27.30 J/mol.K
99+
41.60 J/mol.K
36
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