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Properties of Silver and Manganese


Properties of Manganese & Silver


Physical Properties

Melting Point
961.93 °C   
99+
1,245.00 °C   
37

Boiling Point
2,212.00 °C   
99+
1,962.00 °C   
99+

Hardness
  
  

Mohs Hardness
2.50   
14
6.00   
6

Brinell Hardness
251.00 MPa   
37
196.00 MPa   
99+

Vickers Hardness
229.00 MPa   
30
Not Available   

Optical Properties
  
  

Refractive Index
Not Available   
Not Available   

Reflectivity
97.00 %   
1
Not Available   

Speed of Sound
2,680.00 m/s   
34
5,150.00 m/s   
7

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   
Mn   

Isotopes
  
  

Known Isotopes
36   
3
21   
18

Electronegativity
  
  

Pauling Electronegativity
1.93   
9
1.55   
25

Sanderson Electronegativity
1.83   
11
2.20   
7

Allred Rochow Electronegativity
1.42   
18
1.60   
9

Mulliken-Jaffe Electronegativity
1.47   
15
Not Available   

Allen Electronegativity
1.87   
7
1.75   
15

Electropositivity
  
  

Pauling Electropositivity
2.07   
99+
2.45   
29

Ionization Energies
  
  

1st Energy Level
731.00 kJ/mol   
27
717.30 kJ/mol   
30

2nd Energy Level
2,070.00 kJ/mol   
11
1,509.00 kJ/mol   
39

3rd Energy Level
3,361.00 kJ/mol   
19
3,248.00 kJ/mol   
21

Electrochemical Equivalent
4.02 g/amp-hr   
7
0.29 g/amp-hr   
99+

Electron Work Function
4.26 eV   
20
4.10 eV   
25

Other Chemical Properties
?
Stable metals are non radioactive metals and have zero valence electrons in the outer shell.Chemical Stability, 
?
Ionization is the process by which an atom or a molecule acquires a negative or positive charge by gaining or losing electrons to form ions, often in conjunction with other chemical changes.Ionization, 
?
Solubility is a chemical property referring to the ability for a given substance, the solute, to dissolve in a solvent.Solubility
  
?
Ionization is the process by which an atom or a molecule acquires a negative or positive charge by gaining or losing electrons to form ions, often in conjunction with other chemical changes.Ionization, 
?
Radioactive metals emit particles and radiation from their nuclei. This process comes in the picture because their nuclei experience the intense conflict between two strong forces. This metal also have radioactive isotopes.Radioactive Isotopes
  

Mechanical Properties

Density
  
  

Density At Room Temperature
10.49 g/cm3   
35
7.21 g/cm3   
99+

Density When Liquid (at m.p.)
9.32 g/cm3   
21
5.95 g/cm3   
99+

Vapor Pressure
  
  

Vapor Pressure at 1000 K
0.00 (Pa)   
14
0.00 (Pa)   
12

Vapor Pressure at 2000 K
Not Available   
Not Available   

Tensile Strength
Not Available   
Not Available   

Viscosity
Not Available   
Not Available   

Elasticity properties
  
  

Shear Modulus
30.00 GPa   
23
Not Available   

Bulk Modulus
100.00 GPa   
16
120.00 GPa   
14

Young's Modulus
83.00 GPa   
23
198.00 GPa   
12

Poisson Ratio
0.37   
7
Not Available   

Other Mechanical Properties
?
Ductility of metals defines their ability to deform under tensile stress; this is often characterized by the metals ability to be stretched into a wire.Ductile, 
?
Malleability of metals defines their ability to deform under compressive stress; this is often characterized by the metals ability to form a thin sheet by hammering or rolling.Malleable
  
NA   

Periodic Table

Symbol
Ag   
Mn   

Group Number
11   
7
7   
11

Period Number
5   
4   

Block
?
The d-block is on the middle of the periodic table and includes elements from columns 3 through 12. These elements are also known as the transition metals because they show a transitivity in their properties i.e. they show a trend in their properties.d block
  
?
The d-block is on the middle of the periodic table and includes elements from columns 3 through 12. These elements are also known as the transition metals because they show a transitivity in their properties i.e. they show a trend in their properties.d block
  

Element Family
?
What is Transition Metal? All transition metals are placed under the d-block from group number 3 to 12. Transition metals show characteristics like malleability, ductility and are good conductor of electricity.Transition Metal
  
?
What is Transition Metal? All transition metals are placed under the d-block from group number 3 to 12. Transition metals show characteristics like malleability, ductility and are good conductor of electricity.Transition Metal
  

Atomic Properties

Atomic Number
47   
99+
25   
99+

Atomic Weight
107.87 amu   
99+
54.94 amu   
99+

Atomic Volume
10.30 cm3/mol   
99+
1.39 cm3/mol   
99+

Electron Configuration
[Kr] 4d10 5s1   
[Ar] 3d5 4s2   

Valence Electron Potential
11.40 (-eV)   
99+
220.00 (-eV)   
2

Atom
  
  

Number of Protons
47   
99+
25   
99+

Number of Neutrons
61   
99+
30   
99+

Number of Electrons
47   
99+
25   
99+

Crystal Structure
?
In crystallography, the cubic (or isometric) crystal system is a crystal system where the unit cell is in the shape of a cube. This is one of the most common and simplest shapes found in crystals and minerals.Face Centered Cubic (FCC)
  
?
BCC is a basis type of cubic crystal structure. In crystallography, the cubic crystals structure is a crystal system where the unit cell has a cube shaped structure. This is one of the simplest crystal structure found in crystals of metal.Body Centered Cubic (BCC)
  

Crystal Lattice
FCC-Crystal-Structure-of-Silver.jpg#100   
BCC-Crystal-Structure-.jpg#100   

Radius of an Atom
  
  

Atomic Radius
144.00 pm   
36
127.00 pm   
99+

Covalent Radius
145.00 pm   
39
139.00 pm   
99+

Van der Waals Radius
172.00 pm   
38
200.00 pm   
28

Lattice Constant
408.53 pm   
20
891.25 pm   
1

Lattice Angles
π/2, π/2, π/2   
π/2, π/2, π/2   

Lattice C/A Ratio
Not Available   
Not Available   

Adjacent Atomic Numbers
  
  

Next Element
Cadmium
  
Iron
  

Previous Element
Palladium
  
Chromium
  

Magnetic Properties

Electrical Properties
  
  

Resistivity
15.87 nΩ·m   
99+
1.44 nΩ·m   
99+

Electrical Conductivity
0.63 106/cm Ω   
1
0.01 106/cm Ω   
99+

Electron Affinity
125.60 kJ/mol   
5
0.00 kJ/mol   
40

Electrical Property
?
Conductor metals have very low resistance to electric currents. They can easily conduct electric current through them.Conductor
  
?
Conductor metals have very low resistance to electric currents. They can easily conduct electric current through them.Conductor
  

Magnetic Characteristics
  
  

Specific Gravity
10.50   
26
7.21   
99+

Magnetic Ordering
?
Diamagnetic metals produce a magnetic field opposite to the applied magnetic field. Thus, they are repelled by magnets and show magnetic nature.Diamagnetic
  
?
Paramagnetic metals are slightly attracted by magnet, but they can’t retain the magnetic effect once they are removed from the magnetic field.Paramagnetic
  

Permeability
Not Available   
Not Available   

Susceptibility
0.00   
5
Not Available   

Thermal Properties

Specific Heat
0.24 J/(kg K)   
25
0.48 J/(kg K)   
11

Thermal Conductivity
429.00 W/m·K   
1
7.81 W/m·K   
99+

Critical Temperature
Not Available   
Not Available   

Molar Heat Capacity
25.35 J/mol·K   
99+
26.32 J/mol·K   
29

Thermal Expansion
18.90 µm/(m·K)   
23
21.70 µm/(m·K)   
21

Standard Molar Entropy
42.60 J/mol.K   
35
32.00 J/mol.K   
99+

Enthalpy
  
  

Enthalpy of Vaporization
255.10 kJ/mol   
37
219.70 kJ/mol   
99+

Enthalpy of Fusion
11.30 kJ/mol   
31
14.64 kJ/mol   
23

Enthalpy of Atomization
284.50 kJ/mol   
37
280.30 kJ/mol   
38

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