Home
Compare Metals


Palladium vs Mendelevium


Mendelevium vs Palladium


Periodic Table

Symbol
Pd   
Md   

Group Number
10   
8
Not Available   

Period Number
5   
7   

Block
d block   
f block   

Element Family
Transition Metal   
Actinide   

CAS Number
7440053   
99+
7440111   
99+

Space Group Name
Fm_ 3m   
Not Available   

Space Group Number
225.00   
2
Not Available   

Facts

Interesting Facts
  • 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
  
  • Mendelevium metal is synthetically produced metal.
  • Mendelevium metal has been produced in only trace amount.
  

Sources
Ores of metals   
Bombarding Einsteinium with Helium Ions   

History
  
  

Who Discovered
William Hyde Wollaston   
Lawrence Berkeley National Laboratory   

Discovery
In 1803   
In 1955   

Abundance
  
  

Abundance In Universe
2 * 10-7 %   
22
Not Available   

Abundance In Sun
~0.0000003 %   
24
~-9999 %   

Abundance In Meteorites
0.00 %   
99+
Not Available   

Abundance In Earth's Crust
0.00 %   
99+
Not Available   

Uses

Uses & Benefits
  • 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.
  
  • Currently known uses of Mendelevium metal are limited to research purpose only.
  

Industrial Uses
Aerospace Industry, Automobile Industry, Electronic Industry   
NA   

Medical Uses
Dentistry, Pharmaceutical Industry, Surgical Instruments Manufacturing   
NA   

Other Uses
Coinage, Bullion, Jewellery   
NA   

Biological Properties
  
  

Toxicity
Toxic   
Unknown   

Present in Human Body
No   
No   

In Blood
Not Available   
0.00 Blood/mg dm-3   
37

In Bone
Not Available   
0.00 p.p.m.   
36

Physical Properties

Melting Point
1,554.90 °C   
22
827.00 °C   
99+

Boiling Point
2,963.00 °C   
33
Not Available   

Appearance
  
  

Physical State
Solid   
Solid   

Color
Silver   
Unknown   

Luster
Metallic   
Metallic   

Hardness
  
  

Mohs Hardness
4.75   
9
Not Available   

Brinell Hardness
320.00 MPa   
33
Not Available   

Vickers Hardness
121.00 MPa   
36
Not Available   

Speed of Sound
3,070.00 m/s   
26
Not Available   

Optical Properties
  
  

Refractive Index
1.72   
1
Not Available   

Reflectivity
84.00 %   
4
Not Available   

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
Pd   
Md   

Isotopes
  
  

Known Isotopes
38   
1
16   
23

Electronegativity
  
  

Pauling Electronegativity
2.20   
4
1.30   
32

Allred Rochow Electronegativity
1.35   
21
1.20   
27

Allen Electronegativity
1.59   
22
Not Available   

Electropositivity
  
  

Pauling Electropositivity
1.80   
99+
2.70   
22

Ionization Energies
  
  

1st Energy Level
520.23 kJ/mol   
99+
635.00 kJ/mol   
99+

2nd Energy Level
7,298.22 kJ/mol   
2
1,235.00 kJ/mol   
99+

3rd Energy Level
11,815.13 kJ/mol   
3
2,470.00 kJ/mol   
99+

4th Energy Level
Not Available   
3,840.00 kJ/mol   
99+

Electrochemical Equivalent
1.99 g/amp-hr   
30
3.21 g/amp-hr   
12

Electron Work Function
5.12 eV   
3
Not Available   

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

Atomic Properties

Atomic Number
46   
99+
101   
17

Electron Configuration
[Kr] 4d10   
[Rn] 5f13 7s2   

Crystal Structure
Face Centered Cubic (FCC)   
Not Known   

Crystal Lattice
FCC-Crystal-Structure-of-Palladium.jpg#100   
Unknown-Crystal-Structure-of-Mendelevium.jpg#100   

Atom
  
  

Number of Protons
46   
99+
101   
17

Number of Neutrons
60   
99+
157   
7

Number of Electrons
46   
99+
101   
17

Radius of an Atom
  
  

Atomic Radius
137.00 pm   
40
Not Available   

Covalent Radius
139.00 pm   
99+
Not Available   

Van der Waals Radius
163.00 pm   
40
246.00 pm   
8

Atomic Weight
106.42 amu   
99+
258.00 amu   
14

Atomic Volume
8.90 cm3/mol   
99+
Not Available   

Adjacent Atomic Numbers
  
  

Previous Element
Rhodium
  
Fermium
  

Next Element
Silver
  
Nobelium
  

Valence Electron Potential
33.00 (-eV)   
99+
Not Available   

Lattice Constant
389.07 pm   
25
Not Available   

Lattice Angles
π/2, π/2, π/2   
NA   

Lattice C/A Ratio
Not Available   
Not Available   

Mechanical Properties

Density
  
  

Density At Room Temperature
12.02 g/cm3   
29
Not Available   

Density When Liquid (at m.p.)
10.38 g/cm3   
17
Not Available   

Tensile Strength
Not Available   
Not Available   

Viscosity
Not Available   
Not Available   

Vapor Pressure
  
  

Vapor Pressure at 1000 K
0.00 (Pa)   
27
Not Available   

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

Elasticity properties
  
  

Shear Modulus
44.00 GPa   
17
Not Available   

Bulk Modulus
180.00 GPa   
9
Not Available   

Young's Modulus
121.00 GPa   
16
Not Available   

Poisson Ratio
0.39   
5
Not Available   

Other Mechanical Properties
Ductile, Malleable, Weldable   
Unknown   

Magnetic Properties

Magnetic Characteristics
  
  

Specific Gravity
12.02   
21
Not Available   

Magnetic Ordering
Diamagnetic   
Unknown   

Electrical Properties
  
  

Electrical Property
Conductor   
Unknown   

Resistivity
105.40 nΩ·m   
29
Not Available   

Electrical Conductivity
0.10 106/cm Ω   
22
Not Available   

Electron Affinity
54.23 kJ/mol   
17
Not Available   

Thermal Properties

Specific Heat
0.24 J/(kg K)   
23
Not Available   

Molar Heat Capacity
25.98 J/mol·K   
33
Not Available   

Thermal Conductivity
71.80 W/m·K   
23
Not Available   

Critical Temperature
Not Available   
Not Available   

Thermal Expansion
11.80 µm/(m·K)   
33
Not Available   

Enthalpy
  
  

Enthalpy of Vaporization
376.60 kJ/mol   
19
Not Available   

Enthalpy of Fusion
16.74 kJ/mol   
18
Not Available   

Enthalpy of Atomization
393.30 kJ/mol   
22
Not Available   

Standard Molar Entropy
37.60 J/mol.K   
40
Not Available   

Periodic Table >>
<< All

Compare Transition Metals

Transition Metals

Transition Metals

» More Transition Metals

Compare Transition Metals

» More Compare Transition Metals