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Silver Uranium Comparison

Silver
Uranium
Uranium Silver comparison


Periodic Table
Symbol
Ag   
U   
Group Number
11   
7
0   
18
Period Number
5   
7   
Block
d block   
f block   
Element Family
Transition Metal   
Actinide   
CAS Number
7440224   
99+
7440611   
28
Space Group Name
Fm_ 3m   
Cmcm   
Space Group Number
225.00   
2
63.00   
10
Facts
Interesting Facts
  • It is the most reflective element.
  • Silver is the second most ductile metal after Gold.
  • It is also used in Dentistry as a dental alloys for clips and crowning.
  
  • 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, Ores of metals   
Earth's crust, Mining, Ores of Minerals   
History
  
  
Who Discovered
Unknown   
Not Available   
Discovery
Before 5000 BC   
In 1789   
Abundance
  
  
Abundance In Universe
6 * 10-8 %   
26
2 * 10-8 %   
29
Abundance In Sun
~0.0000001 %   
26
~0.0000001 %   
26
Abundance In Meteorites
0.00 %   
38
0.00 %   
99+
Abundance In Earth's Crust
0.00 %   
99+
0.00 %   
36
Abundance In Oceans
0.00 %   
19
0.00 %   
11
Uses
Uses & Benefits
  • Silver is mainly used for Jewelry and show piece.
  • It is used for manufacturing high quality mirrors due to its reflectivity property.
  
  • 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
Chemical Industry, Clothing Industry, Electrical Industry   
Ammunition Industry, Chemical Industry   
Medical Uses
Dentistry, Pharmaceutical Industry   
NA   
Other Uses
Alloys, Bullion, Coinage, Jewellery, Sculptures, Statues   
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   
29
Not Available   
In Bone
0.44 p.p.m.   
20
Not Available   
Physical Properties
Melting Point
961.93 °C   
99+
1,132.00 °C   
39
Boiling Point
2,212.00 °C   
99+
3,818.00 °C   
16
Appearance
  
  
Physical State
Solid   
Solid   
Color
Silvery White   
Silvery Gray   
Luster
Metallic   
Metallic   
Hardness
  
  
Mohs Hardness
2.50   
14
6.00   
6
Brinell Hardness
251.00 MPa   
37
2,350.00 MPa   
2
Vickers Hardness
229.00 MPa   
30
1,960.00 MPa   
2
Speed of Sound
2,680.00 m/s   
34
3,155.00 m/s   
25
Optical Properties
  
  
Reflectivity
97.00 %   
1
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
Ag   
U   
Isotopes
  
  
Known Isotopes
36   
3
25   
14
Electronegativity
  
  
Pauling Electronegativity
1.93   
9
1.38   
28
Sanderson Electronegativity
1.83   
11
Not Available   
Allred Rochow Electronegativity
1.42   
18
1.22   
26
Mulliken-Jaffe Electronegativity
1.47   
15
Not Available   
Allen Electronegativity
1.87   
7
Not Available   
Electropositivity
  
  
Pauling Electropositivity
2.07   
99+
2.62   
26
Ionization Energies
  
  
1st Energy Level
731.00 kJ/mol   
27
597.60 kJ/mol   
99+
2nd Energy Level
2,070.00 kJ/mol   
11
1,420.00 kJ/mol   
99+
3rd Energy Level
3,361.00 kJ/mol   
19
1,900.00 kJ/mol   
99+
4th Energy Level
Not Available   
3,145.00 kJ/mol   
99+
Electrochemical Equivalent
4.02 g/amp-hr   
7
1.48 g/amp-hr   
99+
Electron Work Function
4.26 eV   
20
3.63 eV   
30
Other Chemical Properties
Chemical Stability, Ionization, Solubility   
Ionization, Radioactive Isotopes, Radioactivity   
Atomic Properties
Atomic Number
47   
99+
92   
26
Electron Configuration
[Kr] 4d10 5s1   
[Rn] 5f3 6d1 7s2   
Crystal Structure
Face Centered Cubic (FCC)   
Orthorhombic (ORTH)   
Crystal Lattice
FCC-Crystal-Structure-of-Silver.jpg#100   
ORTH-Crystal-Structure-of-Uranium.jpg#100   
Atom
  
  
Number of Protons
47   
99+
92   
26
Number of Neutrons
61   
99+
146   
13
Number of Electrons
47   
99+
92   
26
Radius of an Atom
  
  
Atomic Radius
144.00 pm   
36
156.00 pm   
29
Covalent Radius
145.00 pm   
39
196.00 pm   
14
Van der Waals Radius
172.00 pm   
38
186.00 pm   
33
Atomic Weight
107.87 amu   
99+
238.03 amu   
21
Atomic Volume
10.30 cm3/mol   
99+
12.59 cm3/mol   
40
Adjacent Atomic Numbers
  
  
Previous Element
Palladium
  
Protactinium
  
Next Element
Cadmium
  
Neptunium
  
Valence Electron Potential
11.40 (-eV)   
99+
170.00 (-eV)   
4
Lattice Constant
408.53 pm   
20
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
10.49 g/cm3   
35
19.10 g/cm3   
17
Density When Liquid (at m.p.)
9.32 g/cm3   
21
17.30 g/cm3   
7
Tensile Strength
Not Available   
Not Available   
Viscosity
Not Available   
Not Available   
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)   
14
Not Available   
Vapor Pressure at 2000 K
Not Available   
0.01 (Pa)   
20
Elasticity properties
  
  
Shear Modulus
30.00 GPa   
23
111.00 GPa   
10
Bulk Modulus
100.00 GPa   
16
100.00 GPa   
16
Young's Modulus
83.00 GPa   
23
208.00 GPa   
10
Poisson Ratio
0.37   
7
0.23   
30
Other Mechanical Properties
Ductile, Malleable   
Ductile, Malleable   
Magnetic Properties
Magnetic Characteristics
  
  
Specific Gravity
10.50   
26
18.80   
10
Magnetic Ordering
Diamagnetic   
Paramagnetic   
Susceptibility
0.00   
5
Not Available   
Electrical Properties
  
  
Electrical Property
Conductor   
Poor Conductor   
Resistivity
15.87 nΩ·m   
99+
0.28 nΩ·m   
99+
Electrical Conductivity
0.63 106/cm Ω   
1
0.04 106/cm Ω   
37
Electron Affinity
125.60 kJ/mol   
5
Not Available   
Thermal Properties
Specific Heat
0.24 J/(kg K)   
25
0.12 J/(kg K)   
40
Molar Heat Capacity
25.35 J/mol·K   
99+
27.67 J/mol·K   
15
Thermal Conductivity
429.00 W/m·K   
1
27.50 W/m·K   
40
Critical Temperature
Not Available   
Not Available   
Thermal Expansion
18.90 µm/(m·K)   
23
13.90 µm/(m·K)   
27
Enthalpy
  
  
Enthalpy of Vaporization
255.10 kJ/mol   
37
477.00 kJ/mol   
13
Enthalpy of Fusion
11.30 kJ/mol   
31
15.48 kJ/mol   
19
Enthalpy of Atomization
284.50 kJ/mol   
37
489.50 kJ/mol   
14
Standard Molar Entropy
42.60 J/mol.K   
35
50.20 J/mol.K   
31
Summary >>
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