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Properties of Sodium and Molybdenum


Properties of Molybdenum & Sodium


Physical Properties

Melting Point
97.72 °C   
99+
2,617.00 °C   
5

Boiling Point
883.00 °C   
99+
4,612.00 °C   
9

Hardness
  
  

Mohs Hardness
0.50   
22
5.50   
7

Brinell Hardness
0.69 MPa   
99+
1,370.00 MPa   
7

Vickers Hardness
Not Available   
1,400.00 MPa   
6

Optical Properties
  
  

Refractive Index
Not Available   
Not Available   

Reflectivity
Not Available   
58.00 %   
15

Speed of Sound
3,200.00 m/s   
24
5,400.00 m/s   
6

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
Na   
Mo   

Isotopes
  
  

Known Isotopes
17   
22
25   
14

Electronegativity
  
  

Pauling Electronegativity
0.93   
99+
2.16   
5

Sanderson Electronegativity
0.56   
30
1.15   
19

Allred Rochow Electronegativity
1.01   
35
1.30   
24

Mulliken-Jaffe Electronegativity
0.91   
21
Not Available   

Allen Electronegativity
0.87   
99+
2.16   
3

Electropositivity
  
  

Pauling Electropositivity
3.07   
6
1.84   
99+

Ionization Energies
  
  

1st Energy Level
495.80 kJ/mol   
99+
684.30 kJ/mol   
37

2nd Energy Level
4,562.00 kJ/mol   
4
1,560.00 kJ/mol   
37

3rd Energy Level
6,910.30 kJ/mol   
6
2,618.00 kJ/mol   
99+

Electrochemical Equivalent
0.86 g/amp-hr   
99+
0.89 g/amp-hr   
99+

Electron Work Function
2.75 eV   
40
4.60 eV   
12

Other Chemical Properties
?
Stable metals are non radioactive metals and have zero valence electrons in the outer shell.Chemical Stability, 
?
Corrosion is a process which converts refined metals to their more stable forms, for example, its oxide and hydroxide. This process of metals getting corroded is a gradual destruction of metals by chemical reactions.Corrosion, 
?
Flammable metals have ability to burn or ignite, causing fire or combustion.Flammability, 
?
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
  
?
Anti-corrosion metals have the protection on their surfaces which protect them from corroding in corrosive environments.Anti Corrosion, 
?
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, 
?
Solubility is a chemical property referring to the ability for a given substance, the solute, to dissolve in a solvent.Solubility
  

Mechanical Properties

Density
  
  

Density At Room Temperature
0.97 g/cm3   
99+
10.28 g/cm3   
36

Density When Liquid (at m.p.)
0.93 g/cm3   
99+
9.33 g/cm3   
20

Vapor Pressure
  
  

Vapor Pressure at 1000 K
Not Available   
Not Available   

Vapor Pressure at 2000 K
Not Available   
0.00 (Pa)   
26

Tensile Strength
Not Available   
324.00 MPa   
13

Viscosity
Not Available   
Not Available   

Elasticity properties
  
  

Shear Modulus
3.30 GPa   
99+
126.00 GPa   
8

Bulk Modulus
6.30 GPa   
99+
230.00 GPa   
6

Young's Modulus
10.00 GPa   
99+
329.00 GPa   
6

Poisson Ratio
Not Available   
0.31   
13

Other Mechanical Properties
NA   
?
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, 
?
Weldability of metals defines their ability to be welded.This property of metals also known as joinability.Weldable
  

Periodic Table

Symbol
Na   
Mo   

Group Number
1   
17
6   
12

Period Number
3   
5   

Block
?
The s-block is on the left side of the periodic table that includes elements from the first two columns, the alkali metals (group 1) and alkaline earth metals (group 2), plus helium.s 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
?
All alkali metals are placed under group number 1 and s-block of periodic table. These metals are highly reactive and are found in ores of other metals and minerals. Alkali metals can be easily distinguished from others as these metals have only 1 electronAlkali
  
?
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
11   
99+
42   
99+

Atomic Weight
22.99 amu   
99+
95.95 amu   
99+

Atomic Volume
23.70 cm3/mol   
10
9.40 cm3/mol   
99+

Electron Configuration
[Ne] 3s1   
[Kr] 4d5 5s1   

Valence Electron Potential
14.10 (-eV)   
99+
88.60 (-eV)   
13

Atom
  
  

Number of Protons
11   
99+
42   
99+

Number of Neutrons
12   
99+
54   
99+

Number of Electrons
11   
99+
42   
99+

Crystal Structure
?
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)
  
?
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
BCC-Crystal-Structure-.jpg#100   
BCC-Crystal-Structure-.jpg#100   

Radius of an Atom
  
  

Atomic Radius
186.00 pm   
9
139.00 pm   
39

Covalent Radius
166.00 pm   
27
154.00 pm   
32

Van der Waals Radius
227.00 pm   
21
200.00 pm   
28

Lattice Constant
429.06 pm   
19
314.70 pm   
99+

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
Magnesium
  
Technetium
  

Previous Element
Beryllium
  
Niobium
  

Magnetic Properties

Electrical Properties
  
  

Resistivity
47.70 nΩ·m   
99+
53.40 nΩ·m   
99+

Electrical Conductivity
0.21 106/cm Ω   
9
0.19 106/cm Ω   
11

Electron Affinity
52.80 kJ/mol   
19
71.90 kJ/mol   
14

Electrical Property
?
Conductor metals have very low resistance to electric currents. They can easily conduct electric current through them.Conductor
  
?
Semiconductor metals have conductivity between that of a conductor and an insulator.Semiconductor
  

Magnetic Characteristics
  
  

Specific Gravity
0.97   
99+
10.22   
27

Magnetic Ordering
?
Paramagnetic metals are slightly attracted by magnet, but they can’t retain the magnetic effect once they are removed from the magnetic field.Paramagnetic
  
?
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
Not Available   
Not Available   

Thermal Properties

Specific Heat
1.23 J/(kg K)   
3
0.25 J/(kg K)   
21

Thermal Conductivity
142.00 W/m·K   
11
138.00 W/m·K   
12

Critical Temperature
2,573.00 K   
2
Not Available   

Molar Heat Capacity
28.23 J/mol·K   
10
24.06 J/mol·K   
99+

Thermal Expansion
71.00 µm/(m·K)   
4
4.80 µm/(m·K)   
99+

Standard Molar Entropy
51.30 J/mol.K   
28
28.70 J/mol.K   
99+

Enthalpy
  
  

Enthalpy of Vaporization
89.04 kJ/mol   
99+
594.10 kJ/mol   
8

Enthalpy of Fusion
2.59 kJ/mol   
99+
27.61 kJ/mol   
5

Enthalpy of Atomization
108.40 kJ/mol   
99+
653.00 kJ/mol   
7

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