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Silver vs Lawrencium

Silver
Lawrencium
Lawrencium vs Silver


Periodic Table
Symbol
Ag   
Lr   
Group Number
11   
7
Not Available   
Period Number
5   
7   
Block
d block   
d block   
Element Family
Transition Metal   
Actinide   
CAS Number
7440224   
99+
22537195   
15
Space Group Name
Fm_ 3m   
Not Available   
Space Group Number
225.00   
2
Not Available   
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.
  
  • It is synthetically produced metal.
  • Radiation hazard can be produce by it.
  
Sources
Earth's crust, Found in Minerals, Ores of metals   
Bombarding Californium-252 with Boron Nuclei, Found in Minerals, Mining   
History
  
  
Who Discovered
Unknown   
Lawrence Berkeley National Laboratory and Joint Institute for Nuclear Research   
Discovery
Before 5000 BC   
In 1961–1971   
Abundance
  
  
Abundance In Universe
6 * 10-8 %   
26
Not Available   
Abundance In Sun
~0.0000001 %   
26
~-9999 %   
Abundance In Meteorites
0.00 %   
38
Not Available   
Abundance In Earth's Crust
0.00 %   
99+
Not Available   
Abundance In Oceans
0.00 %   
19
Not Available   
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.
  
  • Currently known uses of Lawrencium metal are limited to research purpose only.
  
Industrial Uses
Chemical Industry, Clothing Industry, Electrical Industry   
NA   
Medical Uses
Dentistry, Pharmaceutical Industry   
NA   
Other Uses
Alloys, Bullion, Coinage, Jewellery, Sculptures, Statues   
NA   
Biological Properties
  
  
Toxicity
Non Toxic   
Unknown   
Present in Human Body
Yes   
No   
In Blood
0.00 Blood/mg dm-3   
29
0.00 Blood/mg dm-3   
37
In Bone
0.44 p.p.m.   
20
0.00 p.p.m.   
36
Physical Properties
Melting Point
961.93 °C   
99+
1,627.00 °C   
20
Boiling Point
2,212.00 °C   
99+
Not Available   
Appearance
  
  
Physical State
Solid   
Solid   
Color
Silvery White   
Silver   
Luster
Metallic   
Unknown Luster   
Hardness
  
  
Mohs Hardness
2.50   
14
Not Available   
Brinell Hardness
251.00 MPa   
37
Not Available   
Vickers Hardness
229.00 MPa   
30
Not Available   
Speed of Sound
2,680.00 m/s   
34
Not Available   
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   
Lr   
Isotopes
  
  
Known Isotopes
36   
3
10   
28
Electronegativity
  
  
Pauling Electronegativity
1.93   
9
Not Available   
Sanderson Electronegativity
1.83   
11
Not Available   
Allred Rochow Electronegativity
1.42   
18
Not Available   
Mulliken-Jaffe Electronegativity
1.47   
15
Not Available   
Allen Electronegativity
1.87   
7
Not Available   
Electropositivity
  
  
Pauling Electropositivity
2.07   
99+
Not Available   
Ionization Energies
  
  
1st Energy Level
731.00 kJ/mol   
27
470.00 kJ/mol   
99+
2nd Energy Level
2,070.00 kJ/mol   
11
1,428.00 kJ/mol   
99+
3rd Energy Level
3,361.00 kJ/mol   
19
2,228.00 kJ/mol   
99+
4th Energy Level
Not Available   
4,910.00 kJ/mol   
21
Electrochemical Equivalent
4.02 g/amp-hr   
7
3.23 g/amp-hr   
11
Electron Work Function
4.26 eV   
20
Not Available   
Other Chemical Properties
Chemical Stability, Ionization, Solubility   
Ionization, Radioactive Isotopes   
Atomic Properties
Atomic Number
47   
99+
103   
15
Electron Configuration
[Kr] 4d10 5s1   
[Rn] 5f14 7s2 7p1   
Crystal Structure
Face Centered Cubic (FCC)   
Hexagonal Close Packed (HCP)   
Crystal Lattice
FCC-Crystal-Structure-of-Silver.jpg#100   
BCC-Crystal-Structure-.jpg#100   
Atom
  
  
Number of Protons
47   
99+
103   
15
Number of Neutrons
61   
99+
157   
7
Number of Electrons
47   
99+
103   
15
Radius of an Atom
  
  
Atomic Radius
144.00 pm   
36
Not Available   
Covalent Radius
145.00 pm   
39
Not Available   
Van der Waals Radius
172.00 pm   
38
246.00 pm   
8
Atomic Weight
107.87 amu   
99+
266.00 amu   
12
Atomic Volume
10.30 cm3/mol   
99+
Not Available   
Adjacent Atomic Numbers
  
  
Previous Element
Palladium
  
Nobelium
  
Next Element
Cadmium
  
Rutherfordium
  
Valence Electron Potential
11.40 (-eV)   
99+
Not Available   
Lattice Constant
408.53 pm   
20
Not Available   
Lattice Angles
π/2, π/2, π/2   
NA   
Lattice C/A Ratio
Not Available   
Not Available   
Mechanical Properties
Density
  
  
Density At Room Temperature
10.49 g/cm3   
35
Not Available   
Density When Liquid (at m.p.)
9.32 g/cm3   
21
Not Available   
Tensile Strength
Not Available   
Not Available   
Viscosity
Not Available   
Not Available   
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)   
14
Not Available   
Elasticity properties
  
  
Shear Modulus
30.00 GPa   
23
Not Available   
Bulk Modulus
100.00 GPa   
16
Not Available   
Young's Modulus
83.00 GPa   
23
Not Available   
Poisson Ratio
0.37   
7
0.32   
12
Other Mechanical Properties
Ductile, Malleable   
Unknown   
Magnetic Properties
Magnetic Characteristics
  
  
Specific Gravity
10.50   
26
Not Available   
Magnetic Ordering
Diamagnetic   
Unknown   
Susceptibility
0.00   
5
Not Available   
Electrical Properties
  
  
Electrical Property
Conductor   
Unknown   
Resistivity
15.87 nΩ·m   
99+
Not Available   
Electrical Conductivity
0.63 106/cm Ω   
1
Not Available   
Electron Affinity
125.60 kJ/mol   
5
Not Available   
Thermal Properties
Specific Heat
0.24 J/(kg K)   
25
Not Available   
Molar Heat Capacity
25.35 J/mol·K   
99+
Not Available   
Thermal Conductivity
429.00 W/m·K   
1
Not Available   
Critical Temperature
Not Available   
Not Available   
Thermal Expansion
18.90 µm/(m·K)   
23
Not Available   
Enthalpy
  
  
Enthalpy of Vaporization
255.10 kJ/mol   
37
Not Available   
Enthalpy of Fusion
11.30 kJ/mol   
31
Not Available   
Enthalpy of Atomization
284.50 kJ/mol   
37
Not Available   
Standard Molar Entropy
42.60 J/mol.K   
35
Not Available   
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