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Ag Element
Silver


Periodic Table
Symbol
Ag
Group Number
11 7
Period Number
5 3
Block
d block
Element Family
Transition Metal
CAS Number
7440224 58
Space Group Name
Fm_ 3m
Space Group Number
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.
Sources
Earth's crust, Found in Minerals, Ores of metals
History
Who Discovered
-
Discovery
Before 5000 BC
Abundance
Abundance In Universe
0.00 % 27
Abundance In Sun
0.00 % 26
Abundance In Meteorites
0.00 % 38
Abundance In Earth's Crust
0.00 % 47
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.
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
In Blood
0.00 Blood/mg dm-3 29
In Bone
0.44 p.p.m. 24
Physical
Melting Point
961.93 °C 47
Boiling Point
2,212.00 °C 51
Appearance
Physical State
Solid
Color
Silvery White
Luster
Metallic
Hardness
Mohs Hardness
2.50 15
Brinell Hardness
251.00 MPa 45
Vickers Hardness
229.00 MPa 49
Speed of Sound
2,680.00 m/s 48
Optical Properties
Refractive Index
0.16 51
Reflectivity
97.00 % 1
Allotropes
No
α Allotropes
-
β Allotropes
-
γ Allotropes
-
Chemical
Chemical Formula
Ag
Isotopes
Known Isotopes
36 3
Electronegativity
Pauling Electronegativity
1.93 10
Sanderson Electronegativity
1.83 14
Allred Rochow Electronegativity
1.42 19
Mulliken-Jaffe Electronegativity
1.47 28
Allen Electronegativity
1.87 10
Electropositivity
Pauling Electropositivity
2.07 45
Ionization Energies
1st Energy Level
731.00 kJ/mol 27
2nd Energy Level
2,070.00 kJ/mol 11
3rd Energy Level
3,361.00 kJ/mol 19
4th Energy Level
7,310.00 kJ/mol 10
5th Energy Level
7,310.00 kJ/mol 24
6th Energy Level
7,310.00 kJ/mol 39
7th Energy level
7,310.00 kJ/mol 33
8th Energy Level
7,310.00 kJ/mol 31
9th Energy Level
7,310.00 kJ/mol 27
10th Energy Level
7,310.00 kJ/mol 32
11th Energy Level
7,310.00 kJ/mol 31
12th Energy Level
7,310.00 kJ/mol 49
13th Energy Level
7,310.00 kJ/mol 25
14th Energy Level
731.00 kJ/mol 78
15th Energy Level
73,100.00 kJ/mol 22
16th Energy Level
73,100.00 kJ/mol 17
17th Energy Level
731.00 kJ/mol 38
18th Energy Level
7,310.00 kJ/mol 28
19th Energy Level
731.00 kJ/mol 35
20th Energy Level
731.00 kJ/mol 29
21st Energy Level
731.00 kJ/mol 47
22nd Energy Level
731.00 kJ/mol 23
23rd Energy Level
731.00 kJ/mol 48
24th Energy Level
731.00 kJ/mol 22
25th Energy Level
731.00 kJ/mol 22
26th Energy Level
731.00 kJ/mol 22
27th Energy Level
731.00 kJ/mol 21
28th Energy Level
731.00 kJ/mol 27
29th Energy Level
731.00 kJ/mol 28
30th Energy Level
731.00 kJ/mol 22
Electrochemical Equivalent
4.02 g/amp-hr 7
Electron Work Function
4.26 eV 27
Other Chemical Properties
Chemical Stability, Ionization, Solubility
Atomic
Atomic Number
47 65
Electron Configuration
[Kr] 4d10 5s1
Crystal Structure
Face Centered Cubic (FCC)
Crystal Lattice
FCC-Crystal-Structure-of-Silver.jpg#100
Atom
Number of Protons
47 64
Number of Neutrons
61 48
Number of Electrons
47 64
Radius of an Atom
Atomic Radius
144.00 pm 38
Covalent Radius
145.00 pm 41
Van der Waals Radius
172.00 pm 45
Atomic Weight
107.87 amu 59
Atomic Volume
10.30 cm3/mol 65
Adjacent Atomic Numbers
Previous Element
1
Next Element
38
Valence Electron Potential
11.40 (-eV) 66
Lattice Constant
408.53 pm 23
Lattice Angles
π/2, π/2, π/2
Lattice C/A Ratio
1.59 26
Mechanical
Density
Density At Room Temperature
10.49 g/cm3 37
Density When Liquid (at m.p.)
9.32 g/cm3 46
Tensile Strength
170.00 MPa 21
Viscosity
0.00 23
Vapor Pressure
Vapor Pressure at 1000 K
0.00 (Pa) 14
Vapor Pressure at 2000 K
0.00 (Pa) 38
Elasticity properties
Shear Modulus
30.00 GPa 27
Bulk Modulus
100.00 GPa 16
Young's Modulus
83.00 GPa 25
Poisson Ratio
0.37 7
Other Mechanical Properties
Ductile, Malleable
Magnetic
Magnetic Characteristics
Specific Gravity
10.50 39
Magnetic Ordering
Diamagnetic
Permeability
0.00 H/m 17
Susceptibility
0.00 32
Electrical Properties
Electrical Property
Conductor
Resistivity
15.87 nΩ·m 52
Electrical Conductivity
0.63 106/cm Ω 1
Electron Affinity
125.60 kJ/mol 5
Thermal
Specific Heat
0.24 J/(kg K) 25
Molar Heat Capacity
25.35 J/mol·K 51
Thermal Conductivity
429.00 W/m·K 1
Critical Temperature
1,235.00 K 50
Thermal Expansion
18.90 µm/(m·K) 25
Enthalpy
Enthalpy of Vaporization
255.10 kJ/mol 58
Enthalpy of Fusion
11.30 kJ/mol 37
Enthalpy of Atomization
284.50 kJ/mol 48
Standard Molar Entropy
42.60 J/mol.K 48
Summary >>
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