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Tungsten vs Uranium

Tungsten
Uranium
Uranium vs Tungsten


Periodic Table
Symbol
W  
U  
Group Number
6  
12
0  
18
Period Number
6  
7  
Block
d block  
f block  
Element Family
Transition Metal  
Actinide  
CAS Number
7440337  
99+
7440611  
28
Space Group Name
Im_ 3m  
Cmcm  
Space Group Number
229.00  
1
63.00  
10
Facts
Interesting Facts
  • Tungsten element has the second highest melting point.
  • Pure tungsten can easily cut down with the help of hacksaw.
  
  • Major mining countries of Uranium include Russia, Australia, Namibia, Canada and Niger and total 33% Uranium are mine in Kazakhstan.
  
Sources
Earth's crust, Found in Minerals, Mining, Ores of Minerals  
Earth's crust, Mining, Ores of Minerals  
History
  
  
Who Discovered
Not Available  
Not Available  
Discovery
In 1781  
In 1789  
Abundance
  
  
Abundance In Universe
5 * 10-8 %  
27
2 * 10-8 %  
29
Abundance In Sun
~0.0000004 %  
23
~0.0000001 %  
26
Abundance In Meteorites
0.00 %  
39
0.00 %  
99+
Abundance In Earth's Crust
0.00 %  
39
0.00 %  
36
Abundance In Oceans
0.00 %  
18
0.00 %  
11
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.
  
  • The main use of this metal include nuclear fuel which is used to generate electricity yin nuclear power stations.
  • Synthetic elements like transuranium are made from Uranium metal.
  
Industrial Uses
Aerospace Industry, Automobile Industry, Electrical Industry, Electronic Industry  
Ammunition Industry, Chemical Industry  
Medical Uses
NA  
NA  
Other Uses
Alloys  
Alloys, Jewellery, Nuclear Reactor's Fuel, Sculptures, Statues  
Biological Properties
  
  
Toxicity
Non Toxic  
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
1,132.00 °C  
39
Boiling Point
5,660.00 °C  
1
3,818.00 °C  
16
Appearance
  
  
Physical State
Solid  
Solid  
Color
Grayish White  
Silvery Gray  
Luster
Lustrous  
Metallic  
Hardness
  
  
Mohs Hardness
7.50  
2
6.00  
6
Brinell Hardness
2,000.00 MPa  
4
2,350.00 MPa  
2
Vickers Hardness
3,430.00 MPa  
1
1,960.00 MPa  
2
Speed of Sound
4,620.00 m/s  
16
3,155.00 m/s  
25
Optical Properties
  
  
Reflectivity
62.00 %  
13
Not Available  
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  
U  
Isotopes
  
  
Known Isotopes
33  
6
25  
14
Electronegativity
  
  
Pauling Electronegativity
2.36  
2
1.38  
28
Sanderson Electronegativity
0.98  
23
Not Available  
Allred Rochow Electronegativity
1.40  
19
1.22  
26
Allen Electronegativity
1.47  
29
Not Available  
Electropositivity
  
  
Pauling Electropositivity
1.64  
99+
2.62  
26
Ionization Energies
  
  
1st Energy Level
770.00 kJ/mol  
16
597.60 kJ/mol  
99+
2nd Energy Level
1,700.00 kJ/mol  
29
1,420.00 kJ/mol  
99+
3rd Energy Level
Not Available  
1,900.00 kJ/mol  
99+
4th Energy Level
Not Available  
3,145.00 kJ/mol  
99+
Electrochemical Equivalent
1.14 g/amp-hr  
99+
1.48 g/amp-hr  
99+
Electron Work Function
4.55 eV  
13
3.63 eV  
30
Other Chemical Properties
Ionization, Radioactive Isotopes, Solubility  
Ionization, Radioactive Isotopes, Radioactivity  
Atomic Properties
Atomic Number
74  
99+
92  
26
Electron Configuration
[Xe] 4f14 5d4 6s2  
[Rn] 5f3 6d1 7s2  
Crystal Structure
Body Centered Cubic (BCC)  
Orthorhombic (ORTH)  
Crystal Lattice
BCC-Crystal-Structure-.jpg#100  
ORTH-Crystal-Structure-of-Uranium.jpg#100  
Atom
  
  
Number of Protons
74  
99+
92  
26
Number of Neutrons
110  
27
146  
13
Number of Electrons
74  
99+
92  
26
Radius of an Atom
  
  
Atomic Radius
139.00 pm  
39
156.00 pm  
29
Covalent Radius
162.00 pm  
29
196.00 pm  
14
Van der Waals Radius
200.00 pm  
28
186.00 pm  
33
Atomic Weight
183.84 amu  
37
238.03 amu  
21
Atomic Volume
9.53 cm3/mol  
99+
12.59 cm3/mol  
40
Adjacent Atomic Numbers
  
  
Previous Element
Tantalum
  
Protactinium
  
Next Element
Rhenium
  
Neptunium
  
Valence Electron Potential
140.00 (-eV)  
5
170.00 (-eV)  
4
Lattice Constant
316.52 pm  
99+
295.08 pm  
99+
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
19.10 g/cm3  
17
Density When Liquid (at m.p.)
17.60 g/cm3  
5
17.30 g/cm3  
7
Tensile Strength
370.00 MPa  
10
Not Available  
Viscosity
Not Available  
Not Available  
Vapor Pressure
  
  
Vapor Pressure at 2000 K
0.00 (Pa)  
32
0.01 (Pa)  
20
Elasticity properties
  
  
Shear Modulus
161.00 GPa  
5
111.00 GPa  
10
Bulk Modulus
310.00 GPa  
4
100.00 GPa  
16
Young's Modulus
411.00 GPa  
4
208.00 GPa  
10
Poisson Ratio
0.28  
17
0.23  
30
Other Mechanical Properties
Ductile, Malleable  
Ductile, Malleable  
Magnetic Properties
Magnetic Characteristics
  
  
Specific Gravity
19.22  
9
18.80  
10
Magnetic Ordering
Paramagnetic  
Paramagnetic  
Electrical Properties
  
  
Electrical Property
Superconductor  
Poor Conductor  
Resistivity
52.80 nΩ·m  
99+
0.28 nΩ·m  
99+
Electrical Conductivity
0.19 106/cm Ω  
10
0.04 106/cm Ω  
37
Electron Affinity
78.60 kJ/mol  
13
Not Available  
Thermal Properties
Specific Heat
0.13 J/(kg K)  
39
0.12 J/(kg K)  
40
Molar Heat Capacity
24.27 J/mol·K  
99+
27.67 J/mol·K  
15
Thermal Conductivity
173.00 W/m·K  
7
27.50 W/m·K  
40
Critical Temperature
Not Available  
Not Available  
Thermal Expansion
4.50 µm/(m·K)  
99+
13.90 µm/(m·K)  
27
Enthalpy
  
  
Enthalpy of Vaporization
799.10 kJ/mol  
1
477.00 kJ/mol  
13
Enthalpy of Fusion
35.23 kJ/mol  
1
15.48 kJ/mol  
19
Enthalpy of Atomization
837.00 kJ/mol  
1
489.50 kJ/mol  
14
Standard Molar Entropy
32.60 J/mol.K  
99+
50.20 J/mol.K  
31
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