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Beryllium vs Palladium


Palladium vs Beryllium


Periodic Table

Symbol
Be   
Pd   

Group Number
2   
16
10   
8

Period Number
2   
5   

Block
s block   
d block   

Element Family
Alkaline Earth   
Transition Metal   

CAS Number
7440417   
99+
7440053   
99+

Space Group Name
P63/mmc   
Fm_ 3m   

Space Group Number
194.00   
5
225.00   
2

Facts

Interesting Facts
  • Beryllium is best anti corrosion metal.
  • Beryllium is the lightest metal and still it is stronger than steel.
  • It also finds various applications in Nuclear reactors as a reflector.
  
  • 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
Earth's crust, Found in Minerals, Mining, Ores of metals, Ores of Minerals   
Ores of metals   

History
  
  

Who Discovered
Louis Nicolas Vauquelin   
William Hyde Wollaston   

Discovery
In 1797   
In 1803   

Abundance
  
  

Abundance In Universe
1 * 10-7 %   
23
2 * 10-7 %   
22

Abundance In Sun
~0.00000001 %   
29
~0.0000003 %   
24

Abundance In Meteorites
0.00 %   
99+
0.00 %   
99+

Abundance In Earth's Crust
0.00 %   
35
0.00 %   
99+

Abundance In Oceans
0.00 %   
39
Not Available   

Abundance In Humans
0.00 %   
19
Not Available   

Uses

Uses & Benefits
  • Its alloys with copper or nickel are used in manufacturing Gyroscopes, springs, electrical contact and non sparking tools.
  • Beryllium Alloys are used as a material for aircraft, missiles, spacecraft and satellite.
  
  • 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, Electrical Industry, Electronic Industry   
Aerospace Industry, Automobile Industry, Electronic Industry   

Medical Uses
NA   
Dentistry, Pharmaceutical Industry, Surgical Instruments Manufacturing   

Other Uses
Alloys   
Coinage, Bullion, Jewellery   

Biological Properties
  
  

Toxicity
Toxic   
Toxic   

Present in Human Body
Yes   
No   

In Blood
0.00 Blood/mg dm-3   
32
Not Available   

In Bone
0.00 p.p.m.   
32
Not Available   

Physical Properties

Melting Point
1,278.00 °C   
36
1,554.90 °C   
22

Boiling Point
2,970.00 °C   
32
2,963.00 °C   
33

Appearance
  
  

Physical State
Solid   
Solid   

Color
White Gray   
Silver   

Luster
Metallic   
Metallic   

Hardness
  
  

Mohs Hardness
5.50   
7
4.75   
9

Brinell Hardness
590.00 MPa   
21
320.00 MPa   
33

Vickers Hardness
1,670.00 MPa   
4
121.00 MPa   
36

Speed of Sound
12,890.00 m/s   
2
3,070.00 m/s   
26

Optical Properties
  
  

Refractive Index
Not Available   
1.72   
1

Reflectivity
Not Available   
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
Be   
Pd   

Isotopes
  
  

Known Isotopes
9   
29
38   
1

Electronegativity
  
  

Pauling Electronegativity
1.57   
24
2.20   
4

Sanderson Electronegativity
1.81   
12
Not Available   

Allred Rochow Electronegativity
1.47   
14
1.35   
21

Mulliken-Jaffe Electronegativity
1.54   
12
Not Available   

Allen Electronegativity
1.58   
23
1.59   
22

Electropositivity
  
  

Pauling Electropositivity
2.43   
30
1.80   
99+

Ionization Energies
  
  

1st Energy Level
899.50 kJ/mol   
7
520.23 kJ/mol   
99+

2nd Energy Level
1,757.10 kJ/mol   
23
7,298.22 kJ/mol   
2

3rd Energy Level
14,848.70 kJ/mol   
2
11,815.13 kJ/mol   
3

4th Energy Level
21,006.60 kJ/mol   
2
Not Available   

Electrochemical Equivalent
0.17 g/amp-hr   
99+
1.99 g/amp-hr   
30

Electron Work Function
4.98 eV   
6
5.12 eV   
3

Other Chemical Properties
Corrosion, Ionization, Radioactive Isotopes   
Chemical Stability, Corrosion, Ionization, Solubility   

Atomic Properties

Atomic Number
4   
99+
46   
99+

Electron Configuration
[He] 2s2   
[Kr] 4d10   

Crystal Structure
Hexagonal Close Packed (HCP)   
Face Centered Cubic (FCC)   

Crystal Lattice
HCP-Crystal-Structure-of-Beryllium.jpg#100   
FCC-Crystal-Structure-of-Palladium.jpg#100   

Atom
  
  

Number of Protons
4   
99+
46   
99+

Number of Neutrons
5   
99+
60   
99+

Number of Electrons
4   
99+
46   
99+

Radius of an Atom
  
  

Atomic Radius
112.00 pm   
99+
137.00 pm   
40

Covalent Radius
96.00 pm   
99+
139.00 pm   
99+

Van der Waals Radius
153.00 pm   
99+
163.00 pm   
40

Atomic Weight
9.01 amu   
99+
106.42 amu   
99+

Atomic Volume
5.00 cm3/mol   
99+
8.90 cm3/mol   
99+

Adjacent Atomic Numbers
  
  

Previous Element
Lithium
  
Rhodium
  

Next Element
Sodium
  
Silver
  

Valence Electron Potential
82.00 (-eV)   
15
33.00 (-eV)   
99+

Lattice Constant
228.58 pm   
99+
389.07 pm   
25

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

Lattice C/A Ratio
1.57   
18
Not Available   

Mechanical Properties

Density
  
  

Density At Room Temperature
1.85 g/cm3   
99+
12.02 g/cm3   
29

Density When Liquid (at m.p.)
1.69 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
0.00 (Pa)   
19
0.00 (Pa)   
27

Vapor Pressure at 2000 K
Not Available   
0.00 (Pa)   
30

Elasticity properties
  
  

Shear Modulus
132.00 GPa   
7
44.00 GPa   
17

Bulk Modulus
130.00 GPa   
13
180.00 GPa   
9

Young's Modulus
287.00 GPa   
7
121.00 GPa   
16

Poisson Ratio
0.03   
35
0.39   
5

Other Mechanical Properties
NA   
Ductile, Malleable, Weldable   

Magnetic Properties

Magnetic Characteristics
  
  

Specific Gravity
1.85   
99+
12.02   
21

Magnetic Ordering
Diamagnetic   
Diamagnetic   

Electrical Properties
  
  

Electrical Property
Semiconductor   
Conductor   

Resistivity
36.00 nΩ·m   
99+
105.40 nΩ·m   
29

Electrical Conductivity
0.31 106/cm Ω   
5
0.10 106/cm Ω   
22

Electron Affinity
0.00 kJ/mol   
40
54.23 kJ/mol   
17

Thermal Properties

Specific Heat
1.82 J/(kg K)   
2
0.24 J/(kg K)   
23

Molar Heat Capacity
16.44 J/mol·K   
99+
25.98 J/mol·K   
33

Thermal Conductivity
200.00 W/m·K   
6
71.80 W/m·K   
23

Critical Temperature
Not Available   
Not Available   

Thermal Expansion
11.30 µm/(m·K)   
34
11.80 µm/(m·K)   
33

Enthalpy
  
  

Enthalpy of Vaporization
294.70 kJ/mol   
30
376.60 kJ/mol   
19

Enthalpy of Fusion
11.72 kJ/mol   
30
16.74 kJ/mol   
18

Enthalpy of Atomization
326.40 kJ/mol   
30
393.30 kJ/mol   
22

Standard Molar Entropy
9.50 J/mol.K   
99+
37.60 J/mol.K   
40

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