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Magnesium Palladium Comparison

Magnesium
Palladium
Palladium Magnesium comparison


Periodic Table
Symbol
Mg   
Pd   
Group Number
2   
16
10   
8
Period Number
3   
5   
Block
s block   
d block   
Element Family
Alkaline Earth   
Transition Metal   
CAS Number
7439954   
99+
7440053   
99+
Space Group Name
P63/mmc   
Fm_ 3m   
Space Group Number
194.00   
5
225.00   
2
Facts
Interesting Facts
  • Magnesium ions are present in every chlorophyll of every green plant .
  • Controlling Magnesium fire by pouring water on it will result in explosions.
  
  • Palladium alloys are used for Jewelry contains (95% Palladium and 5% Ruthenium)
  • In the late 1800s, Palladium metal used have more economical value than the Platinum metal.
  • Palladium element is known as a good catalyst
  
Sources
By Electrolysis Process, In Ocean, Mining   
Ores of metals   
History
  
  
Who Discovered
Joseph Black   
William Hyde Wollaston   
Discovery
In 1755   
In 1803   
Abundance
  
  
Abundance In Universe
6 * 10-2 %   
2
2 * 10-7 %   
22
Abundance In Sun
~0.07 %   
2
~0.0000003 %   
24
Abundance In Meteorites
12.00 %   
2
0.00 %   
99+
Abundance In Earth's Crust
2.90 %   
4
0.00 %   
99+
Abundance In Oceans
0.13 %   
2
Not Available   
Abundance In Humans
0.03 %   
4
Not Available   
Uses
Uses & Benefits
  • Magnesium aluminum alloy improves the mechanical strength and welding characteristics and hence it is used in aeroplane and car manufacturing.
  • It is also used to remove sulfur from the molten iron and steel.
  
  • Mostly palladium metal is used in catalytic converters. In electronic industry it is used in ceramic capacitors of mobile and computer.
  • It is used in jewellery and dental fillings and crowns.
  
Industrial Uses
Aerospace Industry, Ammunition Industry, Automobile Industry, Chemical Industry, Pharmaceutical Industry   
Aerospace Industry, Automobile Industry, Electronic Industry   
Medical Uses
NA   
Dentistry, Pharmaceutical Industry, Surgical Instruments Manufacturing   
Other Uses
Surgical Instruments Manufacturing   
Coinage, Bullion, Jewellery   
Biological Properties
  
  
Toxicity
Non Toxic   
Toxic   
Present in Human Body
Yes   
No   
In Blood
37.80 Blood/mg dm-3   
5
Not Available   
In Bone
1,800.00 p.p.m.   
4
Not Available   
Physical Properties
Melting Point
650.00 °C   
99+
1,554.90 °C   
22
Boiling Point
1,107.00 °C   
99+
2,963.00 °C   
33
Appearance
  
  
Physical State
Solid   
Solid   
Color
Gray   
Silver   
Luster
NA   
Metallic   
Hardness
  
  
Mohs Hardness
2.50   
14
4.75   
9
Brinell Hardness
260.00 MPa   
36
320.00 MPa   
33
Vickers Hardness
Not Available   
121.00 MPa   
36
Speed of Sound
4,940.00 m/s   
11
3,070.00 m/s   
26
Optical Properties
  
  
Refractive Index
Not Available   
1.72   
1
Reflectivity
74.00 %   
7
84.00 %   
4
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
Mg   
Pd   
Isotopes
  
  
Known Isotopes
15   
24
38   
1
Electronegativity
  
  
Pauling Electronegativity
1.31   
31
2.20   
4
Sanderson Electronegativity
1.32   
18
Not Available   
Allred Rochow Electronegativity
1.23   
25
1.35   
21
Mulliken-Jaffe Electronegativity
1.37   
16
Not Available   
Allen Electronegativity
1.29   
35
1.59   
22
Electropositivity
  
  
Pauling Electropositivity
2.69   
23
1.80   
99+
Ionization Energies
  
  
1st Energy Level
737.70 kJ/mol   
24
520.23 kJ/mol   
99+
2nd Energy Level
1,450.70 kJ/mol   
99+
7,298.22 kJ/mol   
2
3rd Energy Level
7,732.70 kJ/mol   
5
11,815.13 kJ/mol   
3
4th Energy Level
10,542.50 kJ/mol   
4
Not Available   
5th Energy Level
13,630.00 kJ/mol   
3
Not Available   
6th Energy Level
18,020.00 kJ/mol   
3
Not Available   
7th Energy level
21,711.00 kJ/mol   
3
Not Available   
8th Energy Level
25,661.00 kJ/mol   
3
Not Available   
9th Energy Level
31,653.00 kJ/mol   
3
Not Available   
10th Energy Level
35,458.00 kJ/mol   
5
Not Available   
11th Energy Level
169,988.00 kJ/mol   
1
Not Available   
12th Energy Level
189,368.00 kJ/mol   
1
Not Available   
Electrochemical Equivalent
0.45 g/amp-hr   
99+
1.99 g/amp-hr   
30
Electron Work Function
3.66 eV   
29
5.12 eV   
3
Other Chemical Properties
Corrosion, Highly Inflammable, Ionization, Solubility   
Chemical Stability, Corrosion, Ionization, Solubility   
Atomic Properties
Atomic Number
12   
99+
46   
99+
Electron Configuration
[Ne] 3s2   
[Kr] 4d10   
Crystal Structure
Hexagonal Close Packed (HCP)   
Face Centered Cubic (FCC)   
Crystal Lattice
HCP-Crystal-Structure-of-Magnesium.jpg#100   
FCC-Crystal-Structure-of-Palladium.jpg#100   
Atom
  
  
Number of Protons
12   
99+
46   
99+
Number of Neutrons
12   
99+
60   
99+
Number of Electrons
12   
99+
46   
99+
Radius of an Atom
  
  
Atomic Radius
160.00 pm   
27
137.00 pm   
40
Covalent Radius
141.00 pm   
99+
139.00 pm   
99+
Van der Waals Radius
173.00 pm   
37
163.00 pm   
40
Atomic Weight
24.31 amu   
99+
106.42 amu   
99+
Atomic Volume
13.97 cm3/mol   
37
8.90 cm3/mol   
99+
Adjacent Atomic Numbers
  
  
Previous Element
Sodium
  
Rhodium
  
Next Element
Aluminium
  
Silver
  
Valence Electron Potential
40.00 (-eV)   
99+
33.00 (-eV)   
99+
Lattice Constant
320.94 pm   
99+
389.07 pm   
25
Lattice Angles
π/2, π/2, 2 π/3   
π/2, π/2, π/2   
Lattice C/A Ratio
Not Available   
Not Available   
Mechanical Properties
Density
  
  
Density At Room Temperature
1.74 g/cm3   
99+
12.02 g/cm3   
29
Density When Liquid (at m.p.)
1.58 g/cm3   
99+
10.38 g/cm3   
17
Tensile Strength
Not Available   
Not Available   
Viscosity
Not Available   
Not Available   
Vapor Pressure
  
  
Vapor Pressure at 1000 K
Not Available   
0.00 (Pa)   
27
Vapor Pressure at 2000 K
Not Available   
0.00 (Pa)   
30
Elasticity properties
  
  
Shear Modulus
17.00 GPa   
37
44.00 GPa   
17
Bulk Modulus
45.00 GPa   
25
180.00 GPa   
9
Young's Modulus
45.00 GPa   
39
121.00 GPa   
16
Poisson Ratio
0.29   
15
0.39   
5
Other Mechanical Properties
NA   
Ductile, Malleable, Weldable   
Magnetic Properties
Magnetic Characteristics
  
  
Specific Gravity
1.74   
99+
12.02   
21
Magnetic Ordering
Paramagnetic   
Diamagnetic   
Electrical Properties
  
  
Electrical Property
Conductor   
Conductor   
Resistivity
43.90 nΩ·m   
99+
105.40 nΩ·m   
29
Electrical Conductivity
0.23 106/cm Ω   
7
0.10 106/cm Ω   
22
Electron Affinity
0.00 kJ/mol   
40
54.23 kJ/mol   
17
Thermal Properties
Specific Heat
1.02 J/(kg K)   
4
0.24 J/(kg K)   
23
Molar Heat Capacity
24.87 J/mol·K   
99+
25.98 J/mol·K   
33
Thermal Conductivity
156.00 W/m·K   
8
71.80 W/m·K   
23
Critical Temperature
Not Available   
Not Available   
Thermal Expansion
24.80 µm/(m·K)   
15
11.80 µm/(m·K)   
33
Enthalpy
  
  
Enthalpy of Vaporization
128.70 kJ/mol   
99+
376.60 kJ/mol   
19
Enthalpy of Fusion
8.95 kJ/mol   
39
16.74 kJ/mol   
18
Enthalpy of Atomization
148.50 kJ/mol   
99+
393.30 kJ/mol   
22
Standard Molar Entropy
32.70 J/mol.K   
99+
37.60 J/mol.K   
40
Summary >>
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