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Silver Lawrencium Comparison

Silver
Lawrencium
Lawrencium Silver comparison


Periodic Table
Symbol
Ag  
Lr  
Group Number
11  
7
3  
15
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  
-  
Space Group Number
225.00  
3
225.00  
3
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
-  
Lawrence Berkeley National Laboratory and Joint Institute for Nuclear Research  
Discovery
Before 5000 BC  
In 1961–1971  
Abundance
  
  
Abundance In Universe
0.00 %  
27
0.00 %  
40
Abundance In Sun
0.00 %  
26
-  
Abundance In Meteorites
0.00 %  
38
0.00 %  
99+
Abundance In Earth's Crust
0.00 %  
99+
0.00 %  
99+
Abundance In Oceans
0.00 %  
19
-  
Abundance In Humans
0.00 %  
24
-  
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  
-  
Medical Uses
Dentistry, Pharmaceutical Industry  
-  
Other Uses
Alloys, Bullion, Coinage, Jewellery, Sculptures, Statues  
-  
Biological Properties
  
  
Toxicity
Non Toxic  
-  
Present in Human Body
Yes  
No  
In Blood
0.00 Blood/mg dm-3  
29
0.00 Blood/mg dm-3  
40
In Bone
0.44 p.p.m.  
24
0.00 p.p.m.  
99+
Physical
Melting Point
961.93 °C  
99+
1,627.00 °C  
20
Boiling Point
2,212.00 °C  
99+
0.00 °C  
99+
Appearance
  
  
Physical State
Solid  
Solid  
Color
Silvery White  
Silver  
Luster
Metallic  
Unknown Luster  
Hardness
  
  
Mohs Hardness
2.50  
15
-  
Brinell Hardness
251.00 MPa  
99+
500.00 MPa  
28
Vickers Hardness
229.00 MPa  
99+
500.00 MPa  
35
Speed of Sound
2,680.00 m/s  
99+
2,760.00 m/s  
99+
Optical Properties
  
  
Refractive Index
0.16  
99+
1.30  
99+
Reflectivity
97.00 %  
1
65.00 %  
18
Allotropes
No  
No  
α Allotropes
-  
-  
β Allotropes
-  
-  
γ Allotropes
-  
-  
Chemical
Chemical Formula
Ag  
Lr  
Isotopes
  
  
Known Isotopes
36  
3
10  
28
Electronegativity
  
  
Pauling Electronegativity
1.93  
10
1.30  
33
Sanderson Electronegativity
1.83  
14
1.30  
25
Allred Rochow Electronegativity
1.42  
19
1.30  
25
Mulliken-Jaffe Electronegativity
1.47  
28
1.30  
33
Allen Electronegativity
1.87  
10
1.30  
40
Electropositivity
  
  
Pauling Electropositivity
2.07  
99+
2.00  
99+
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
7,310.00 kJ/mol  
10
4,910.00 kJ/mol  
31
5th Energy Level
7,310.00 kJ/mol  
24
4,780.00 kJ/mol  
99+
6th Energy Level
7,310.00 kJ/mol  
39
4,780.00 kJ/mol  
99+
7th Energy level
7,310.00 kJ/mol  
33
4,780.00 kJ/mol  
99+
8th Energy Level
7,310.00 kJ/mol  
31
4,780.00 kJ/mol  
99+
9th Energy Level
7,310.00 kJ/mol  
27
4,780.00 kJ/mol  
99+
10th Energy Level
7,310.00 kJ/mol  
32
5,800.00 kJ/mol  
99+
11th Energy Level
7,310.00 kJ/mol  
31
5,800.00 kJ/mol  
99+
12th Energy Level
7,310.00 kJ/mol  
99+
47,800.00 kJ/mol  
22
13th Energy Level
7,310.00 kJ/mol  
25
4,780.00 kJ/mol  
99+
14th Energy Level
731.00 kJ/mol  
99+
1,186.00 kJ/mol  
99+
15th Energy Level
73,100.00 kJ/mol  
22
47,800.00 kJ/mol  
99+
16th Energy Level
73,100.00 kJ/mol  
17
470.00 kJ/mol  
99+
17th Energy Level
731.00 kJ/mol  
38
1,186.00 kJ/mol  
15
18th Energy Level
7,310.00 kJ/mol  
28
4,780.00 kJ/mol  
99+
19th Energy Level
731.00 kJ/mol  
35
1,186.00 kJ/mol  
12
20th Energy Level
731.00 kJ/mol  
29
860.00 kJ/mol  
17
21st Energy Level
731.00 kJ/mol  
99+
1,186.00 kJ/mol  
27
22nd Energy Level
731.00 kJ/mol  
23
388.00 kJ/mol  
99+
23rd Energy Level
731.00 kJ/mol  
99+
1,180.00 kJ/mol  
32
24th Energy Level
731.00 kJ/mol  
22
546.10 kJ/mol  
99+
25th Energy Level
731.00 kJ/mol  
22
0.00 kJ/mol  
99+
26th Energy Level
731.00 kJ/mol  
22
594.70 kJ/mol  
99+
27th Energy Level
731.00 kJ/mol  
21
470.00 kJ/mol  
99+
28th Energy Level
731.00 kJ/mol  
27
478.00 kJ/mol  
99+
29th Energy Level
731.00 kJ/mol  
28
580.00 kJ/mol  
99+
30th Energy Level
731.00 kJ/mol  
22
0.00 kJ/mol  
99+
Electrochemical Equivalent
4.02 g/amp-hr  
7
3.23 g/amp-hr  
12
Electron Work Function
4.26 eV  
27
4.90 eV  
12
Other Chemical Properties
Chemical Stability, Ionization, Solubility  
Ionization, Radioactive Isotopes  
Atomic
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  
8
Number of Electrons
47  
99+
103  
15
Radius of an Atom
  
  
Atomic Radius
144.00 pm  
38
162.00 pm  
28
Covalent Radius
145.00 pm  
99+
162.00 pm  
31
Van der Waals Radius
172.00 pm  
99+
246.00 pm  
12
Atomic Weight
107.87 amu  
99+
266.00 amu  
12
Atomic Volume
10.30 cm3/mol  
99+
35.10 cm3/mol  
7
Adjacent Atomic Numbers
  
  
Previous Element
Palladium
  
Nobelium
  
Next Element
Cadmium
  
Rutherfordium
  
Valence Electron Potential
11.40 (-eV)  
99+
0.00 (-eV)  
99+
Lattice Constant
408.53 pm  
23
530.00 pm  
14
Lattice Angles
π/2, π/2, π/2  
-  
Lattice C/A Ratio
1.59  
26
1.60  
22
Mechanical
Density
  
  
Density At Room Temperature
10.49 g/cm3  
37
15.00 g/cm3  
22
Density When Liquid (at m.p.)
9.32 g/cm3  
99+
15.60 g/cm3  
20
Tensile Strength
170.00 MPa  
21
80.00 MPa  
29
Viscosity
0.00  
23
0.00  
25
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)  
14
0.00 (Pa)  
37
Vapor Pressure at 2000 K
0.00 (Pa)  
38
0.00 (Pa)  
37
Elasticity properties
  
  
Shear Modulus
30.00 GPa  
27
30.00 GPa  
27
Bulk Modulus
100.00 GPa  
16
15.00 GPa  
99+
Young's Modulus
83.00 GPa  
25
210.00 GPa  
10
Poisson Ratio
0.37  
7
0.32  
12
Other Mechanical Properties
Ductile, Malleable  
-  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
10.50  
39
15.60  
22
Magnetic Ordering
Diamagnetic  
-  
Permeability
0.00 H/m  
17
0.00 H/m  
13
Susceptibility
0.00  
32
0.00  
23
Electrical Properties
  
  
Electrical Property
Conductor  
-  
Resistivity
15.87 nΩ·m  
99+
8.37 nΩ·m  
99+
Electrical Conductivity
0.63 106/cm Ω  
1
0.00 106/cm Ω  
99+
Electron Affinity
125.60 kJ/mol  
5
50.00 kJ/mol  
26
Thermal
Specific Heat
0.24 J/(kg K)  
25
0.22 J/(kg K)  
29
Molar Heat Capacity
25.35 J/mol·K  
99+
27.00 J/mol·K  
29
Thermal Conductivity
429.00 W/m·K  
1
0.00 W/m·K  
99+
Critical Temperature
1,235.00 K  
99+
1,323.00 K  
99+
Thermal Expansion
18.90 µm/(m·K)  
25
8.50 µm/(m·K)  
99+
Enthalpy
  
  
Enthalpy of Vaporization
255.10 kJ/mol  
99+
341.90 kJ/mol  
37
Enthalpy of Fusion
11.30 kJ/mol  
37
-  
Enthalpy of Atomization
284.50 kJ/mol  
99+
580.00 kJ/mol  
14
Standard Molar Entropy
42.60 J/mol.K  
99+
54.80 J/mol.K  
35
Summary >>
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