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Uranium vs Mercury

Uranium
Mercury
Mercury vs Uranium


Periodic Table
Symbol
U   
Hg   
Group Number
0   
18
12   
6
Period Number
7   
6   
Block
f block   
d block   
Element Family
Actinide   
Transition Metal   
CAS Number
7440611   
28
7439976   
99+
Space Group Name
Cmcm   
R_ 3m   
Space Group Number
63.00   
10
166.00   
6
Facts
Interesting Facts
  • Major mining countries of Uranium include Russia, Australia, Namibia, Canada and Niger and total 33% Uranium are mine in Kazakhstan.
  
  • At room temperature mercury is found in a liquid state.
  • A coin of pound or rupees floats in mercury.
  • Because of its low melting point and boiling point it is used in thermometers.
  
Sources
Earth's crust, Mining, Ores of Minerals   
Mining, Ores of Minerals   
History
  
  
Who Discovered
Not Available   
Ancient Chinese and Indians   
Discovery
In 1789   
Before 2000 BCE   
Abundance
  
  
Abundance In Universe
2 * 10-8 %   
29
Not Available   
Abundance In Sun
~0.0000001 %   
26
~-9999 %   
Abundance In Meteorites
0.00 %   
99+
Not Available   
Abundance In Earth's Crust
0.00 %   
36
0.05 %   
9
Abundance In Oceans
0.00 %   
11
Not Available   
Uses
Uses & Benefits
  • 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.
  
  • It is a liquid metal at room temperature, but it is a toxic heavy metal and hence many uses of mercury are under review or phased out.
  • It is manly used as a catalysts in chemical industry.
  
Industrial Uses
Ammunition Industry, Chemical Industry   
Electrical Industry, Electronic Industry   
Medical Uses
NA   
Dentistry   
Other Uses
Alloys, Jewellery, Nuclear Reactor's Fuel, Sculptures, Statues   
Alloys, Mirror Manufacturing, Pharmaceutical Industry   
Biological Properties
  
  
Toxicity
Toxic   
Highly Toxic   
Present in Human Body
No   
Yes   
In Blood
Not Available   
0.01 Blood/mg dm-3   
23
In Bone
Not Available   
0.45 p.p.m.   
19
Physical Properties
Melting Point
1,132.00 °C   
39
Not Available   
Boiling Point
3,818.00 °C   
16
356.58 °C   
99+
Appearance
  
  
Physical State
Solid   
Liquid   
Color
Silvery Gray   
Silver   
Luster
Metallic   
NA   
Hardness
  
  
Mohs Hardness
6.00   
6
Not Available   
Brinell Hardness
2,350.00 MPa   
2
Not Available   
Vickers Hardness
1,960.00 MPa   
2
Not Available   
Speed of Sound
3,155.00 m/s   
25
1,451.40 m/s   
99+
Optical Properties
  
  
Refractive Index
Not Available   
1.00   
3
Reflectivity
Not Available   
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
U   
Hg   
Isotopes
  
  
Known Isotopes
25   
14
34   
5
Electronegativity
  
  
Pauling Electronegativity
1.38   
28
2.00   
7
Sanderson Electronegativity
Not Available   
2.20   
7
Allred Rochow Electronegativity
1.22   
26
1.44   
17
Mulliken-Jaffe Electronegativity
Not Available   
1.81   
9
Allen Electronegativity
Not Available   
1.44   
30
Electropositivity
  
  
Pauling Electropositivity
2.62   
26
2.00   
99+
Ionization Energies
  
  
1st Energy Level
597.60 kJ/mol   
99+
1,007.10 kJ/mol   
4
2nd Energy Level
1,420.00 kJ/mol   
99+
1,810.00 kJ/mol   
20
3rd Energy Level
1,900.00 kJ/mol   
99+
3,300.00 kJ/mol   
20
4th Energy Level
3,145.00 kJ/mol   
99+
Not Available   
Electrochemical Equivalent
1.48 g/amp-hr   
99+
3.74 g/amp-hr   
10
Electron Work Function
3.63 eV   
30
4.49 eV   
15
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity   
Flammability, Ionization, Solubility   
Atomic Properties
Atomic Number
92   
26
80   
36
Electron Configuration
[Rn] 5f3 6d1 7s2   
[Xe] 4f14 5d10 6s2   
Crystal Structure
Orthorhombic (ORTH)   
Rhombohedral (RHO)   
Crystal Lattice
ORTH-Crystal-Structure-of-Uranium.jpg#100   
RHO-Crystal-Structure-of-Mercury.jpg#100   
Atom
  
  
Number of Protons
92   
26
80   
36
Number of Neutrons
146   
13
121   
22
Number of Electrons
92   
26
80   
36
Radius of an Atom
  
  
Atomic Radius
156.00 pm   
29
151.00 pm   
32
Covalent Radius
196.00 pm   
14
132.00 pm   
99+
Van der Waals Radius
186.00 pm   
33
155.00 pm   
99+
Atomic Weight
238.03 amu   
21
200.59 amu   
32
Atomic Volume
12.59 cm3/mol   
40
14.82 cm3/mol   
35
Adjacent Atomic Numbers
  
  
Previous Element
Protactinium
  
Gold
  
Next Element
Neptunium
  
Thallium
  
Valence Electron Potential
170.00 (-eV)   
4
28.20 (-eV)   
99+
Lattice Constant
295.08 pm   
99+
300.50 pm   
99+
Lattice Angles
π/2, π/2, π/2   
NA   
Lattice C/A Ratio
Not Available   
Not Available   
Mechanical Properties
Density
  
  
Density At Room Temperature
19.10 g/cm3   
17
13.53 g/cm3   
24
Density When Liquid (at m.p.)
17.30 g/cm3   
7
Not Available   
Tensile Strength
Not Available   
Not Available   
Viscosity
Not Available   
0.00   
1
Vapor Pressure
  
  
Vapor Pressure at 2000 K
0.01 (Pa)   
20
Not Available   
Elasticity properties
  
  
Shear Modulus
111.00 GPa   
10
Not Available   
Bulk Modulus
100.00 GPa   
16
Not Available   
Young's Modulus
208.00 GPa   
10
Not Available   
Poisson Ratio
0.23   
30
Not Available   
Other Mechanical Properties
Ductile, Malleable   
NA   
Magnetic Properties
Magnetic Characteristics
  
  
Specific Gravity
18.80   
10
13.53   
16
Magnetic Ordering
Paramagnetic   
Diamagnetic   
Electrical Properties
  
  
Electrical Property
Poor Conductor   
Conductor   
Resistivity
0.28 nΩ·m   
99+
961.00 nΩ·m   
1
Electrical Conductivity
0.04 106/cm Ω   
37
0.01 106/cm Ω   
99+
Electron Affinity
Not Available   
0.00 kJ/mol   
40
Thermal Properties
Specific Heat
0.12 J/(kg K)   
40
0.14 J/(kg K)   
38
Molar Heat Capacity
27.67 J/mol·K   
15
27.98 J/mol·K   
13
Thermal Conductivity
27.50 W/m·K   
40
8.30 W/m·K   
99+
Critical Temperature
Not Available   
1,750.00 K   
6
Thermal Expansion
13.90 µm/(m·K)   
27
60.40 µm/(m·K)   
5
Enthalpy
  
  
Enthalpy of Vaporization
477.00 kJ/mol   
13
56.90 kJ/mol   
99+
Enthalpy of Fusion
15.48 kJ/mol   
19
2.29 kJ/mol   
99+
Enthalpy of Atomization
489.50 kJ/mol   
14
61.50 kJ/mol   
99+
Standard Molar Entropy
50.20 J/mol.K   
31
75.80 J/mol.K   
6
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