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Gold vs Tungsten

Gold
Tungsten
Tungsten vs Gold


Periodic Table
Symbol
Au  
W  
Group Number
11  
7
6  
12
Period Number
6  
6  
Block
d block  
d block  
Element Family
Transition Metal  
Transition Metal  
CAS Number
7440575  
31
7440337  
99+
Space Group Name
Fm_ 3m  
Im_ 3m  
Space Group Number
225.00  
2
229.00  
1
Facts
Interesting Facts
  • It is found in copper ores and from the crust of the earth.
  • It is the most malleable and ductile metal.
  • Gold alloys are used in Dentistry as fillings, crowning, clips, etc. It is also used as an artificial limb joints.
  
  • Tungsten element has the second highest melting point.
  • Pure tungsten can easily cut down with the help of hacksaw.
  
Sources
Earth's crust, Mining, Ores of metals  
Earth's crust, Found in Minerals, Mining, Ores of Minerals  
History
  
  
Who Discovered
Unknown  
Not Available  
Discovery
Before 6000 BCE  
In 1781  
Abundance
  
  
Abundance In Universe
6 * 10-8 %  
26
5 * 10-8 %  
27
Abundance In Sun
~0.0000001 %  
26
~0.0000004 %  
23
Abundance In Meteorites
0.00 %  
99+
0.00 %  
39
Abundance In Earth's Crust
0.00 %  
99+
0.00 %  
39
Abundance In Oceans
0.00 %  
21
0.00 %  
18
Abundance In Humans
0.00 %  
18
Not Available  
Uses
Uses & Benefits
  • Gold metal is mainly used for Jewelry, bullion, coinage, etc.
  • It is used in the art, decoration, ornaments, etc. It is also used for electroplating process.
  
  • 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.
  
Industrial Uses
Chemical Industry, Clothing Industry, Electrical Industry, Electronic Industry  
Aerospace Industry, Automobile Industry, Electrical Industry, Electronic Industry  
Medical Uses
Dentistry, Pharmaceutical Industry  
NA  
Other Uses
Alloys, Bullion, Coinage, Jewellery, Sculptures, Statues  
Alloys  
Biological Properties
  
  
Toxicity
Non Toxic  
Non Toxic  
Present in Human Body
Yes  
Yes  
In Blood
0.00 Blood/mg dm-3  
35
0.00 Blood/mg dm-3  
31
In Bone
0.02 p.p.m.  
30
0.00 p.p.m.  
35
Physical Properties
Melting Point
1,064.43 °C  
99+
3,410.00 °C  
1
Boiling Point
2,807.00 °C  
36
5,660.00 °C  
1
Appearance
  
  
Physical State
Solid  
Solid  
Color
Gold  
Grayish White  
Luster
Metallic  
Lustrous  
Hardness
  
  
Mohs Hardness
2.50  
14
7.50  
2
Brinell Hardness
194.00 MPa  
99+
2,000.00 MPa  
4
Vickers Hardness
216.00 MPa  
31
3,430.00 MPa  
1
Speed of Sound
2,030.00 m/s  
99+
4,620.00 m/s  
16
Optical Properties
  
  
Reflectivity
95.00 %  
2
62.00 %  
13
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
Au  
W  
Isotopes
  
  
Known Isotopes
36  
3
33  
6
Electronegativity
  
  
Pauling Electronegativity
2.54  
1
2.36  
2
Sanderson Electronegativity
Not Available  
0.98  
23
Allred Rochow Electronegativity
1.42  
18
1.40  
19
Mulliken-Jaffe Electronegativity
1.87  
7
Not Available  
Allen Electronegativity
1.92  
5
1.47  
29
Electropositivity
  
  
Pauling Electropositivity
1.46  
99+
1.64  
99+
Ionization Energies
  
  
1st Energy Level
890.10 kJ/mol  
8
770.00 kJ/mol  
16
2nd Energy Level
1,980.00 kJ/mol  
12
1,700.00 kJ/mol  
29
Electrochemical Equivalent
2.45 g/amp-hr  
21
1.14 g/amp-hr  
99+
Electron Work Function
5.10 eV  
4
4.55 eV  
13
Other Chemical Properties
Chemical Stability, Ionization, Solubility  
Ionization, Radioactive Isotopes, Solubility  
Atomic Properties
Atomic Number
79  
37
74  
99+
Electron Configuration
[Xe] 4f14 5d10 6s1  
[Xe] 4f14 5d4 6s2  
Crystal Structure
Face Centered Cubic (FCC)  
Body Centered Cubic (BCC)  
Crystal Lattice
FCC-Crystal-Structure-of-Gold.jpg#100  
BCC-Crystal-Structure-.jpg#100  
Atom
  
  
Number of Protons
79  
37
74  
99+
Number of Neutrons
118  
23
110  
27
Number of Electrons
79  
37
74  
99+
Radius of an Atom
  
  
Atomic Radius
151.00 pm  
32
139.00 pm  
39
Covalent Radius
144.00 pm  
40
162.00 pm  
29
Van der Waals Radius
166.00 pm  
39
200.00 pm  
28
Atomic Weight
196.97 amu  
33
183.84 amu  
37
Atomic Volume
10.20 cm3/mol  
99+
9.53 cm3/mol  
99+
Adjacent Atomic Numbers
  
  
Previous Element
Platinum
  
Tantalum
  
Next Element
Mercury
  
Rhenium
  
Valence Electron Potential
43.40 (-eV)  
99+
140.00 (-eV)  
5
Lattice Constant
407.82 pm  
21
316.52 pm  
99+
Lattice Angles
π/2, π/2, π/2  
π/2, π/2, π/2  
Lattice C/A Ratio
1.61  
4
Not Available  
Mechanical Properties
Density
  
  
Density At Room Temperature
19.30 g/cm3  
15
19.25 g/cm3  
16
Density When Liquid (at m.p.)
17.31 g/cm3  
6
17.60 g/cm3  
5
Tensile Strength
120.00 MPa  
15
370.00 MPa  
10
Viscosity
Not Available  
Not Available  
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)  
23
Not Available  
Vapor Pressure at 2000 K
67.00 (Pa)  
4
0.00 (Pa)  
32
Elasticity properties
  
  
Shear Modulus
27.00 GPa  
27
161.00 GPa  
5
Bulk Modulus
180.00 GPa  
9
310.00 GPa  
4
Young's Modulus
79.00 GPa  
24
411.00 GPa  
4
Poisson Ratio
0.40  
4
0.28  
17
Other Mechanical Properties
Ductile, Malleable  
Ductile, Malleable  
Magnetic Properties
Magnetic Characteristics
  
  
Specific Gravity
19.32  
8
19.22  
9
Magnetic Ordering
Diamagnetic  
Paramagnetic  
Electrical Properties
  
  
Electrical Property
Conductor  
Superconductor  
Resistivity
2.20 nΩ·m  
99+
52.80 nΩ·m  
99+
Electrical Conductivity
0.45 106/cm Ω  
3
0.19 106/cm Ω  
10
Electron Affinity
222.80 kJ/mol  
1
78.60 kJ/mol  
13
Thermal Properties
Specific Heat
0.13 J/(kg K)  
39
0.13 J/(kg K)  
39
Molar Heat Capacity
25.42 J/mol·K  
40
24.27 J/mol·K  
99+
Thermal Conductivity
318.00 W/m·K  
3
173.00 W/m·K  
7
Critical Temperature
Not Available  
Not Available  
Thermal Expansion
14.20 µm/(m·K)  
26
4.50 µm/(m·K)  
99+
Enthalpy
  
  
Enthalpy of Vaporization
324.40 kJ/mol  
27
799.10 kJ/mol  
1
Enthalpy of Fusion
12.55 kJ/mol  
27
35.23 kJ/mol  
1
Enthalpy of Atomization
364.00 kJ/mol  
25
837.00 kJ/mol  
1
Standard Molar Entropy
47.40 J/mol.K  
32
32.60 J/mol.K  
99+
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