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Mercury vs Uranium


Uranium vs Mercury


Periodic Table

Symbol
Hg  
U  

Group Number
12  
6
0  
18

Period Number
6  
7  

Block
d block  
f block  

Element Family
Transition Metal  
Actinide  

CAS Number
7439976  
99+
7440611  
28

Space Group Name
R_ 3m  
Cmcm  

Space Group Number
166.00  
9
63.00  
13

Facts

Interesting Facts
  • 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.
  
  • Major mining countries of Uranium include Russia, Australia, Namibia, Canada and Niger and total 33% Uranium are mine in Kazakhstan.
  

Sources
Mining, Ores of Minerals  
Earth's crust, Mining, Ores of Minerals  

History
  
  

Who Discovered
Ancient Chinese and Indians  
-  

Discovery
Before 2000 BCE  
In 1789  

Abundance
  
  

Abundance In Universe
0.09 %  
2
0.00 %  
30

Abundance In Sun
0.00 %  
30
0.00 %  
26

Abundance In Meteorites
0.00 %  
99+
0.00 %  
99+

Abundance In Earth's Crust
0.05 %  
9
0.00 %  
36

Abundance In Oceans
-  
0.00 %  
11

Abundance In Humans
0.00 %  
24
0.00 %  
24

Uses

Uses & Benefits
  • 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.
  
  • 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
Electrical Industry, Electronic Industry  
Ammunition Industry, Chemical Industry  

Medical Uses
Dentistry  
-  

Other Uses
Alloys, Mirror Manufacturing, Pharmaceutical Industry  
Alloys, Jewellery, Nuclear Reactor's Fuel, Sculptures, Statues  

Biological Properties
  
  

Toxicity
Highly Toxic  
Toxic  

Present in Human Body
Yes  
No  

In Blood
0.01 Blood/mg dm-3  
23
0.00 Blood/mg dm-3  
37

In Bone
0.45 p.p.m.  
23
1.20 p.p.m.  
19

Physical

Melting Point
-38.83 °C  
99+
1,132.00 °C  
39

Boiling Point
356.58 °C  
99+
3,818.00 °C  
16

Appearance
  
  

Physical State
Liquid  
Solid  

Color
Silver  
Silvery Gray  

Luster
-  
Metallic  

Hardness
  
  

Mohs Hardness
1.50  
19
6.00  
6

Brinell Hardness
5.00 MPa  
99+
2,350.00 MPa  
2

Vickers Hardness
0.00 MPa  
99+
1,960.00 MPa  
6

Speed of Sound
1,451.40 m/s  
99+
3,155.00 m/s  
36

Optical Properties
  
  

Refractive Index
1.00  
99+
1.38  
40

Reflectivity
73.00 %  
10
80.00 %  
7

Allotropes
No  
No  

α Allotropes
-  
-  

β Allotropes
-  
-  

γ Allotropes
-  
-  

Chemical

Chemical Formula
Hg  
U  

Isotopes
  
  

Known Isotopes
34  
5
25  
14

Electronegativity
  
  

Pauling Electronegativity
2.00  
8
1.38  
29

Sanderson Electronegativity
2.20  
8
1.38  
22

Allred Rochow Electronegativity
1.44  
18
1.22  
27

Mulliken-Jaffe Electronegativity
1.81  
17
1.38  
29

Allen Electronegativity
1.44  
34
1.38  
36

Electropositivity
  
  

Pauling Electropositivity
2.00  
99+
2.62  
26

Ionization Energies
  
  

1st Energy Level
1,007.10 kJ/mol  
4
597.60 kJ/mol  
99+

2nd Energy Level
1,810.00 kJ/mol  
21
1,420.00 kJ/mol  
99+

3rd Energy Level
3,300.00 kJ/mol  
20
1,900.00 kJ/mol  
99+

4th Energy Level
1,007.10 kJ/mol  
99+
3,145.00 kJ/mol  
99+

5th Energy Level
1,007.00 kJ/mol  
99+
5,976.00 kJ/mol  
99+

6th Energy Level
1,007.00 kJ/mol  
99+
5,976.00 kJ/mol  
99+

7th Energy level
1,007.00 kJ/mol  
99+
5,970.00 kJ/mol  
99+

8th Energy Level
1,007.00 kJ/mol  
99+
5,976.00 kJ/mol  
99+

9th Energy Level
1,007.00 kJ/mol  
99+
5,976.00 kJ/mol  
99+

10th Energy Level
1,007.00 kJ/mol  
99+
5,976.00 kJ/mol  
99+

11th Energy Level
1,007.00 kJ/mol  
99+
5,976.00 kJ/mol  
99+

12th Energy Level
1,007.00 kJ/mol  
99+
5,970.00 kJ/mol  
99+

13th Energy Level
1,007.00 kJ/mol  
99+
5,970.00 kJ/mol  
99+

14th Energy Level
1,007.00 kJ/mol  
99+
5,970.00 kJ/mol  
34

15th Energy Level
100,700.00 kJ/mol  
1
59,700.00 kJ/mol  
99+

16th Energy Level
1,007.00 kJ/mol  
99+
59,700.00 kJ/mol  
35

17th Energy Level
1,007.00 kJ/mol  
24
597.60 kJ/mol  
99+

18th Energy Level
1,007.00 kJ/mol  
99+
5,976.00 kJ/mol  
99+

19th Energy Level
1,007.10 kJ/mol  
20
597.60 kJ/mol  
99+

20th Energy Level
1,007.00 kJ/mol  
11
597.00 kJ/mol  
99+

21st Energy Level
1,007.00 kJ/mol  
33
597.60 kJ/mol  
99+

22nd Energy Level
1,007.00 kJ/mol  
8
597.00 kJ/mol  
99+

23rd Energy Level
1,007.00 kJ/mol  
36
597.60 kJ/mol  
99+

24th Energy Level
1,007.10 kJ/mol  
3
597.60 kJ/mol  
99+

25th Energy Level
1,007.10 kJ/mol  
3
597.60 kJ/mol  
99+

26th Energy Level
1,007.10 kJ/mol  
3
597.60 kJ/mol  
99+

27th Energy Level
1,007.10 kJ/mol  
2
597.60 kJ/mol  
99+

28th Energy Level
1,007.10 kJ/mol  
5
597.60 kJ/mol  
99+

29th Energy Level
1,007.10 kJ/mol  
6
597.60 kJ/mol  
99+

30th Energy Level
1,007.10 kJ/mol  
3
597.60 kJ/mol  
99+

Electrochemical Equivalent
3.74 g/amp-hr  
10
1.48 g/amp-hr  
99+

Electron Work Function
4.49 eV  
20
3.63 eV  
99+

Other Chemical Properties
Flammability, Ionization, Solubility  
Ionization, Radioactive Isotopes, Radioactivity  

Atomic

Atomic Number
80  
36
92  
26

Electron Configuration
[Xe] 4f14 5d10 6s2  
[Rn] 5f3 6d1 7s2  

Crystal Structure
Rhombohedral (RHO)  
Orthorhombic (ORTH)  

Crystal Lattice
RHO-Crystal-Structure-of-Mercury.jpg#100  
ORTH-Crystal-Structure-of-Uranium.jpg#100  

Atom
  
  

Number of Protons
80  
36
92  
26

Number of Neutrons
121  
23
146  
14

Number of Electrons
80  
36
92  
26

Radius of an Atom
  
  

Atomic Radius
151.00 pm  
34
156.00 pm  
31

Covalent Radius
132.00 pm  
99+
196.00 pm  
14

Van der Waals Radius
155.00 pm  
99+
186.00 pm  
40

Atomic Weight
200.59 amu  
32
238.03 amu  
21

Atomic Volume
14.82 cm3/mol  
99+
12.59 cm3/mol  
99+

Adjacent Atomic Numbers
  
  

Previous Element
Gold
  

Next Element
Thallium
  
Neptunium
  

Valence Electron Potential
28.20 (-eV)  
99+
170.00 (-eV)  
4

Lattice Constant
300.50 pm  
99+
295.08 pm  
99+

Lattice Angles
-  
π/2, π/2, π/2  

Lattice C/A Ratio
0.42  
99+
1.02  
99+

Mechanical

Density
  
  

Density At Room Temperature
13.53 g/cm3  
25
19.10 g/cm3  
17

Density When Liquid (at m.p.)
13.55 g/cm3  
27
17.30 g/cm3  
17

Tensile Strength
15.00 MPa  
99+
100.00 MPa  
28

Viscosity
0.00  
4
0.00  
21

Vapor Pressure
  
  

Vapor Pressure at 1000 K
0.00 (Pa)  
22
0.00 (Pa)  
37

Vapor Pressure at 2000 K
0.00 (Pa)  
99+
0.01 (Pa)  
20

Elasticity properties
  
  

Shear Modulus
30.00 GPa  
27
111.00 GPa  
10

Bulk Modulus
25.00 GPa  
99+
100.00 GPa  
16

Young's Modulus
45.00 GPa  
99+
208.00 GPa  
11

Poisson Ratio
0.44  
3
0.23  
30

Other Mechanical Properties
-  
Ductile, Malleable  

Magnetic

Magnetic Characteristics
  
  

Specific Gravity
13.53  
27
18.80  
19

Magnetic Ordering
Diamagnetic  
Paramagnetic  

Permeability
0.00 H/m  
10
0.00 H/m  
16

Susceptibility
0.00  
20
0.00  
24

Electrical Properties
  
  

Electrical Property
Conductor  
Poor Conductor  

Resistivity
961.00 nΩ·m  
1
0.28 nΩ·m  
99+

Electrical Conductivity
0.01 106/cm Ω  
99+
0.04 106/cm Ω  
99+

Electron Affinity
0.00 kJ/mol  
99+
50.60 kJ/mol  
25

Thermal

Specific Heat
0.14 J/(kg K)  
39
0.12 J/(kg K)  
99+

Molar Heat Capacity
27.98 J/mol·K  
16
27.67 J/mol·K  
18

Thermal Conductivity
8.30 W/m·K  
99+
27.50 W/m·K  
99+

Critical Temperature
1,750.00 K  
33
1,405.00 K  
99+

Thermal Expansion
60.40 µm/(m·K)  
5
13.90 µm/(m·K)  
30

Enthalpy
  
  

Enthalpy of Vaporization
56.90 kJ/mol  
99+
477.00 kJ/mol  
18

Enthalpy of Fusion
2.29 kJ/mol  
99+
15.48 kJ/mol  
19

Enthalpy of Atomization
61.50 kJ/mol  
99+
489.50 kJ/mol  
18

Standard Molar Entropy
75.80 J/mol.K  
6
50.20 J/mol.K  
99+

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