Home

Transition Metals + -

Actinide Metals + -

Lanthanide Metals + -

Post-Transition Metals + -

Alkaline Earth Metals + -

Compare Metals

Tungsten Platinum Comparison

Tungsten
Platinum
Platinum Tungsten comparison


Periodic Table
Symbol
W   
Pt   
Group Number
6   
12
10   
8
Period Number
6   
6   
Block
d block   
d block   
Element Family
Transition Metal   
Transition Metal   
CAS Number
7440337   
99+
7440064   
99+
Space Group Name
Im_ 3m   
Fm_ 3m   
Space Group Number
229.00   
1
225.00   
2
Facts
Interesting Facts
  • Tungsten element has the second highest melting point.
  • Pure tungsten can easily cut down with the help of hacksaw.
  
  • 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 Minerals   
Mining, Ores of metals, Ores of Minerals   
History
  
  
Who Discovered
Not Available   
Antonio de Ulloa   
Discovery
In 1781   
In 1735   
Abundance
  
  
Abundance In Universe
5 * 10-8 %   
27
5 * 10-7 %   
19
Abundance In Sun
~0.0000004 %   
23
~0.0000009 %   
19
Abundance In Meteorites
0.00 %   
39
0.00 %   
25
Abundance In Earth's Crust
0.00 %   
39
0.00 %   
99+
Abundance In Oceans
0.00 %   
18
Not Available   
Uses
Uses & Benefits
  • Tungsten and its alloys are used in high-temperature applications like welding electrodes, high-temperature furnace, etc.
  • Tungsten carbide is very hard and used in metal working, mining and petroleum industry.
  
  • 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, Electrical Industry, Electronic Industry   
Aerospace Industry, Chemical Industry   
Medical Uses
NA   
Dentistry, Pharmaceutical Industry, Surgical Instruments Manufacturing   
Other Uses
Alloys   
Alloys, Bullion, Coinage, Jewellery, Sculptures, Statues   
Biological Properties
  
  
Toxicity
Non Toxic   
Non Toxic   
Present in Human Body
Yes   
No   
In Blood
0.00 Blood/mg dm-3   
31
Not Available   
In Bone
0.00 p.p.m.   
35
Not Available   
Physical Properties
Melting Point
3,410.00 °C   
1
1,772.00 °C   
16
Boiling Point
5,660.00 °C   
1
3,827.00 °C   
15
Appearance
  
  
Physical State
Solid   
Solid   
Color
Grayish White   
Silvery White   
Luster
Lustrous   
Metallic   
Hardness
  
  
Mohs Hardness
7.50   
2
3.50   
11
Brinell Hardness
2,000.00 MPa   
4
300.00 MPa   
34
Vickers Hardness
3,430.00 MPa   
1
400.00 MPa   
25
Speed of Sound
4,620.00 m/s   
16
2,800.00 m/s   
29
Optical Properties
  
  
Reflectivity
62.00 %   
13
73.00 %   
8
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
W   
Pt   
Isotopes
  
  
Known Isotopes
33   
6
35   
4
Electronegativity
  
  
Pauling Electronegativity
2.36   
2
2.28   
3
Sanderson Electronegativity
0.98   
23
Not Available   
Allred Rochow Electronegativity
1.40   
19
1.44   
17
Allen Electronegativity
1.47   
29
1.72   
16
Electropositivity
  
  
Pauling Electropositivity
1.64   
99+
1.72   
99+
Ionization Energies
  
  
1st Energy Level
770.00 kJ/mol   
16
870.00 kJ/mol   
10
2nd Energy Level
1,700.00 kJ/mol   
29
1,791.00 kJ/mol   
21
Electrochemical Equivalent
1.14 g/amp-hr   
99+
1.82 g/amp-hr   
35
Electron Work Function
4.55 eV   
13
5.65 eV   
1
Other Chemical Properties
Ionization, Radioactive Isotopes, Solubility   
Chemical Stability, Anti Corrosion, Ionization   
Atomic Properties
Atomic Number
74   
99+
78   
38
Electron Configuration
[Xe] 4f14 5d4 6s2   
[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
74   
99+
78   
38
Number of Neutrons
110   
27
117   
24
Number of Electrons
74   
99+
78   
38
Radius of an Atom
  
  
Atomic Radius
139.00 pm   
39
139.00 pm   
39
Covalent Radius
162.00 pm   
29
136.00 pm   
99+
Van der Waals Radius
200.00 pm   
28
175.00 pm   
36
Atomic Weight
183.84 amu   
37
47.87 amu   
99+
Atomic Volume
9.53 cm3/mol   
99+
9.09 cm3/mol   
99+
Adjacent Atomic Numbers
  
  
Previous Element
Tantalum
  
Iridium
  
Next Element
Rhenium
  
Gold
  
Valence Electron Potential
140.00 (-eV)   
5
392.42 (-eV)   
1
Lattice Constant
316.52 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
19.25 g/cm3   
16
21.45 g/cm3   
11
Density When Liquid (at m.p.)
17.60 g/cm3   
5
19.77 g/cm3   
2
Tensile Strength
370.00 MPa   
10
125.00 MPa   
14
Viscosity
Not Available   
Not Available   
Vapor Pressure
  
  
Vapor Pressure at 2000 K
0.00 (Pa)   
32
0.07 (Pa)   
18
Elasticity properties
  
  
Shear Modulus
161.00 GPa   
5
61.00 GPa   
14
Bulk Modulus
310.00 GPa   
4
230.00 GPa   
6
Young's Modulus
411.00 GPa   
4
168.00 GPa   
14
Poisson Ratio
0.28   
17
0.38   
6
Other Mechanical Properties
Ductile, Malleable   
Ductile, Malleable   
Magnetic Properties
Magnetic Characteristics
  
  
Specific Gravity
19.22   
9
21.45   
4
Magnetic Ordering
Paramagnetic   
Paramagnetic   
Permeability
Not Available   
0.00 H/m   
3
Electrical Properties
  
  
Electrical Property
Superconductor   
Conductor   
Resistivity
52.80 nΩ·m   
99+
105.00 nΩ·m   
30
Electrical Conductivity
0.19 106/cm Ω   
10
0.10 106/cm Ω   
21
Electron Affinity
78.60 kJ/mol   
13
205.30 kJ/mol   
2
Thermal Properties
Specific Heat
0.13 J/(kg K)   
39
0.13 J/(kg K)   
39
Molar Heat Capacity
24.27 J/mol·K   
99+
25.86 J/mol·K   
35
Thermal Conductivity
173.00 W/m·K   
7
71.60 W/m·K   
24
Critical Temperature
Not Available   
Not Available   
Thermal Expansion
4.50 µm/(m·K)   
99+
8.80 µm/(m·K)   
99+
Enthalpy
  
  
Enthalpy of Vaporization
799.10 kJ/mol   
1
510.50 kJ/mol   
11
Enthalpy of Fusion
35.23 kJ/mol   
1
19.70 kJ/mol   
12
Enthalpy of Atomization
837.00 kJ/mol   
1
565.00 kJ/mol   
11
Standard Molar Entropy
32.60 J/mol.K   
99+
41.60 J/mol.K   
36
Summary >>
<< Properties

Compare Transition Metals

Transition Metals

Transition Metals

» More Transition Metals

Compare Transition Metals

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