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Uranium vs Lead

Uranium
Lead
Lead vs Uranium


Periodic Table
Symbol
U  
Pb  
Group Number
0  
18
14  
4
Period Number
7  
6  
Block
f block  
p block  
Element Family
Actinide  
Post-​Transition  
CAS Number
7440611  
28
7439921  
99+
Space Group Name
Cmcm  
Fm_ 3m  
Space Group Number
63.00  
13
225.00  
3
Facts
Interesting Facts
  • Major mining countries of Uranium include Russia, Australia, Namibia, Canada and Niger and total 33% Uranium are mine in Kazakhstan.
  
  • Galena mineral contains almost 87% of Lead metal in it, Galena is sulfide mineral.
  • The best available source of Lead metal today is by recycling automobile batteries.
  
Sources
Earth's crust, Mining, Ores of Minerals  
Earth's crust, Found in Minerals, Mining, Ores of metals, Ores of Minerals  
History
  
  
Who Discovered
-  
-  
Discovery
In 1789  
In Middle Easterns (7000 BCE)  
Abundance
  
  
Abundance In Universe
0.00 %  
30
0.00 %  
17
Abundance In Sun
0.00 %  
26
0.00 %  
18
Abundance In Meteorites
0.00 %  
99+
0.00 %  
23
Abundance In Earth's Crust
0.00 %  
36
0.00 %  
26
Abundance In Oceans
0.00 %  
11
0.00 %  
22
Abundance In Humans
0.00 %  
24
0.00 %  
9
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 also used in insecticides, hair dyes and as an anti-knocking additive for petrol. But all these are banned by the government as Lead metal is known for detrimental to health.
  
Industrial Uses
Ammunition Industry, Chemical Industry  
Chemical Industry, Electrical Industry, Electronic Industry  
Medical Uses
-  
Surgical Instruments Manufacturing  
Other Uses
Alloys, Jewellery, Nuclear Reactor's Fuel, Sculptures, Statues  
Alloys  
Biological Properties
  
  
Toxicity
Toxic  
Toxic  
Present in Human Body
No  
Yes  
In Blood
0.00 Blood/mg dm-3  
37
0.21 Blood/mg dm-3  
11
In Bone
1.20 p.p.m.  
19
30.00 p.p.m.  
10
Physical
Melting Point
1,132.00 °C  
39
327.50 °C  
99+
Boiling Point
3,818.00 °C  
16
1,740.00 °C  
99+
Appearance
  
  
Physical State
Solid  
Solid  
Color
Silvery Gray  
Gray  
Luster
Metallic  
Metallic  
Hardness
  
  
Mohs Hardness
6.00  
6
1.50  
19
Brinell Hardness
2,350.00 MPa  
2
38.00 MPa  
99+
Vickers Hardness
1,960.00 MPa  
6
38.00 MPa  
99+
Speed of Sound
3,155.00 m/s  
36
1,190.00 m/s  
99+
Optical Properties
  
  
Refractive Index
1.38  
40
2.02  
14
Reflectivity
80.00 %  
7
5.00 %  
39
Allotropes
No  
No  
α Allotropes
-  
-  
β Allotropes
-  
-  
γ Allotropes
-  
-  
Chemical
Chemical Formula
U  
Pb  
Isotopes
  
  
Known Isotopes
25  
14
35  
4
Electronegativity
  
  
Pauling Electronegativity
1.38  
29
1.87  
14
Sanderson Electronegativity
1.38  
22
2.29  
4
Allred Rochow Electronegativity
1.22  
27
1.55  
12
Mulliken-Jaffe Electronegativity
1.38  
29
2.41  
2
Allen Electronegativity
1.38  
36
1.85  
11
Electropositivity
  
  
Pauling Electropositivity
2.62  
26
1.67  
99+
Ionization Energies
  
  
1st Energy Level
597.60 kJ/mol  
99+
715.60 kJ/mol  
31
2nd Energy Level
1,420.00 kJ/mol  
99+
1,450.50 kJ/mol  
99+
3rd Energy Level
1,900.00 kJ/mol  
99+
3,081.50 kJ/mol  
23
4th Energy Level
3,145.00 kJ/mol  
99+
4,083.00 kJ/mol  
99+
5th Energy Level
5,976.00 kJ/mol  
99+
6,640.00 kJ/mol  
32
6th Energy Level
5,976.00 kJ/mol  
99+
7,150.00 kJ/mol  
99+
7th Energy level
5,970.00 kJ/mol  
99+
7,156.00 kJ/mol  
36
8th Energy Level
5,976.00 kJ/mol  
99+
7,150.00 kJ/mol  
32
9th Energy Level
5,976.00 kJ/mol  
99+
7,156.00 kJ/mol  
30
10th Energy Level
5,976.00 kJ/mol  
99+
7,156.00 kJ/mol  
34
11th Energy Level
5,976.00 kJ/mol  
99+
7,156.00 kJ/mol  
33
12th Energy Level
5,970.00 kJ/mol  
99+
7,150.00 kJ/mol  
99+
13th Energy Level
5,970.00 kJ/mol  
99+
7,150.00 kJ/mol  
28
14th Energy Level
5,970.00 kJ/mol  
34
715.60 kJ/mol  
99+
15th Energy Level
59,700.00 kJ/mol  
99+
71,500.00 kJ/mol  
24
16th Energy Level
59,700.00 kJ/mol  
35
71,500.00 kJ/mol  
19
17th Energy Level
597.60 kJ/mol  
99+
715.60 kJ/mol  
40
18th Energy Level
5,976.00 kJ/mol  
99+
7,150.00 kJ/mol  
30
19th Energy Level
597.60 kJ/mol  
99+
715.60 kJ/mol  
37
20th Energy Level
597.00 kJ/mol  
99+
715.00 kJ/mol  
31
21st Energy Level
597.60 kJ/mol  
99+
715.60 kJ/mol  
99+
22nd Energy Level
597.00 kJ/mol  
99+
715.00 kJ/mol  
25
23rd Energy Level
597.60 kJ/mol  
99+
715.60 kJ/mol  
99+
24th Energy Level
597.60 kJ/mol  
99+
715.60 kJ/mol  
24
25th Energy Level
597.60 kJ/mol  
99+
715.00 kJ/mol  
25
26th Energy Level
597.60 kJ/mol  
99+
715.60 kJ/mol  
24
27th Energy Level
597.60 kJ/mol  
99+
715.60 kJ/mol  
23
28th Energy Level
597.60 kJ/mol  
99+
715.60 kJ/mol  
29
29th Energy Level
597.60 kJ/mol  
99+
715.60 kJ/mol  
30
30th Energy Level
597.60 kJ/mol  
99+
715.00 kJ/mol  
24
Electrochemical Equivalent
1.48 g/amp-hr  
99+
3.87 g/amp-hr  
9
Electron Work Function
3.63 eV  
99+
4.25 eV  
28
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity  
Anti Corrosion, Ionization, Radioactive Isotopes  
Atomic
Atomic Number
92  
26
82  
34
Electron Configuration
[Rn] 5f3 6d1 7s2  
[Xe] 4f14 5d10 6s2 6p2  
Crystal Structure
Orthorhombic (ORTH)  
Face Centered Cubic (FCC)  
Crystal Lattice
ORTH-Crystal-Structure-of-Uranium.jpg#100  
FCC-Crystal-Structure-of-Lead.jpg#100  
Atom
  
  
Number of Protons
92  
26
82  
34
Number of Neutrons
146  
14
125  
20
Number of Electrons
92  
26
82  
34
Radius of an Atom
  
  
Atomic Radius
156.00 pm  
31
175.00 pm  
21
Covalent Radius
196.00 pm  
14
146.00 pm  
40
Van der Waals Radius
186.00 pm  
40
202.00 pm  
34
Atomic Weight
238.03 amu  
21
207.20 amu  
30
Atomic Volume
12.59 cm3/mol  
99+
18.17 cm3/mol  
39
Adjacent Atomic Numbers
  
  
Previous Element
Protactinium
  
Thallium
  
Next Element
Neptunium
  
Bismuth
  
Valence Electron Potential
170.00 (-eV)  
4
24.20 (-eV)  
99+
Lattice Constant
295.08 pm  
99+
495.08 pm  
18
Lattice Angles
π/2, π/2, π/2  
π/2, π/2, π/2  
Lattice C/A Ratio
1.02  
99+
1.51  
99+
Mechanical
Density
  
  
Density At Room Temperature
19.10 g/cm3  
17
11.34 g/cm3  
35
Density When Liquid (at m.p.)
17.30 g/cm3  
17
10.66 g/cm3  
36
Tensile Strength
100.00 MPa  
28
12.00 MPa  
99+
Viscosity
0.00  
21
0.00  
29
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)  
37
1.64 (Pa)  
7
Vapor Pressure at 2000 K
0.01 (Pa)  
20
0.00 (Pa)  
30
Elasticity properties
  
  
Shear Modulus
111.00 GPa  
10
5.60 GPa  
99+
Bulk Modulus
100.00 GPa  
16
46.00 GPa  
28
Young's Modulus
208.00 GPa  
11
16.00 GPa  
99+
Poisson Ratio
0.23  
30
0.44  
3
Other Mechanical Properties
Ductile, Malleable  
Ductile, Malleable  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
18.80  
19
11.35  
38
Magnetic Ordering
Paramagnetic  
Diamagnetic  
Permeability
0.00 H/m  
16
0.00 H/m  
12
Susceptibility
0.00  
24
0.00  
30
Electrical Properties
  
  
Electrical Property
Poor Conductor  
Poor Conductor  
Resistivity
0.28 nΩ·m  
99+
208.00 nΩ·m  
16
Electrical Conductivity
0.04 106/cm Ω  
99+
0.05 106/cm Ω  
99+
Electron Affinity
50.60 kJ/mol  
25
35.10 kJ/mol  
33
Thermal
Specific Heat
0.12 J/(kg K)  
99+
0.13 J/(kg K)  
40
Molar Heat Capacity
27.67 J/mol·K  
18
26.65 J/mol·K  
34
Thermal Conductivity
27.50 W/m·K  
99+
35.30 W/m·K  
39
Critical Temperature
1,405.00 K  
99+
600.61 K  
99+
Thermal Expansion
13.90 µm/(m·K)  
30
28.90 µm/(m·K)  
13
Enthalpy
  
  
Enthalpy of Vaporization
477.00 kJ/mol  
18
179.40 kJ/mol  
99+
Enthalpy of Fusion
15.48 kJ/mol  
19
4.77 kJ/mol  
99+
Enthalpy of Atomization
489.50 kJ/mol  
18
194.60 kJ/mol  
99+
Standard Molar Entropy
50.20 J/mol.K  
99+
64.80 J/mol.K  
18
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