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Fermium vs Palladium


Palladium vs Fermium


Periodic Table

Symbol
Fm  
Pd  

Group Number
3  
15
10  
8

Period Number
7  
5  

Block
f block  
d block  

Element Family
Actinide  
Transition Metal  

CAS Number
7440724  
19
7440053  
99+

Space Group Name
-  
Fm_ 3m  

Space Group Number
194.00  
7
225.00  
3

Facts

Interesting Facts
  • Fermium metal is highly radioactive in nature.
  • Fermium is synthetically produced metal.
  
  • 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
Bombarding Pu-239 with Neutrons  
Ores of metals  

History
  
  

Who Discovered
Lawrence Berkeley National Laboratory  
William Hyde Wollaston  

Discovery
In 1952  
In 1803  

Abundance
  
  

Abundance In Universe
0.00 %  
35
0.00 %  
23

Abundance In Sun
0.00 %  
30
0.00 %  
24

Abundance In Meteorites
0.00 %  
99+
0.00 %  
99+

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

Abundance In Oceans
-  
-  

Abundance In Humans
-  
0.00 %  
24

Uses

Uses & Benefits
  • Currently known uses of Fermium metal are limited to research purpose only.
  
  • 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, Automobile Industry, Electronic Industry  

Medical Uses
-  
Dentistry, Pharmaceutical Industry, Surgical Instruments Manufacturing  

Other Uses
-  
Coinage, Bullion, Jewellery  

Biological Properties
  
  

Toxicity
-  
Toxic  

Present in Human Body
No  
No  

In Blood
0.00 Blood/mg dm-3  
40
0.00 Blood/mg dm-3  
37

In Bone
0.00 p.p.m.  
99+
0.00 p.p.m.  
99+

Physical

Melting Point
1,527.00 °C  
26
1,554.90 °C  
22

Boiling Point
0.00 °C  
99+
2,963.00 °C  
34

Appearance
  
  

Physical State
Solid  
Solid  

Color
-  
Silver  

Luster
-  
Metallic  

Hardness
  
  

Mohs Hardness
6.00  
6
4.75  
9

Brinell Hardness
500.00 MPa  
28
320.00 MPa  
40

Vickers Hardness
600.00 MPa  
28
121.00 MPa  
99+

Speed of Sound
2,500.00 m/s  
99+
3,070.00 m/s  
38

Optical Properties
  
  

Refractive Index
1.30  
99+
1.72  
25

Reflectivity
59.00 %  
24
84.00 %  
5

Allotropes
No  
No  

α Allotropes
-  
-  

β Allotropes
-  
-  

γ Allotropes
-  
-  

Chemical

Chemical Formula
Fm  
Pd  

Isotopes
  
  

Known Isotopes
18  
21
38  
1

Electronegativity
  
  

Pauling Electronegativity
1.30  
33
2.20  
5

Sanderson Electronegativity
1.30  
25
2.20  
8

Allred Rochow Electronegativity
1.20  
28
1.35  
22

Mulliken-Jaffe Electronegativity
1.30  
33
2.20  
6

Allen Electronegativity
1.30  
40
1.59  
25

Electropositivity
  
  

Pauling Electropositivity
2.70  
22
1.80  
99+

Ionization Energies
  
  

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

2nd Energy Level
1,225.00 kJ/mol  
99+
7,298.22 kJ/mol  
2

3rd Energy Level
2,363.00 kJ/mol  
99+
11,815.13 kJ/mol  
3

4th Energy Level
3,792.00 kJ/mol  
99+
870.00 kJ/mol  
99+

5th Energy Level
6,270.00 kJ/mol  
39
8,044.00 kJ/mol  
13

6th Energy Level
6,270.00 kJ/mol  
99+
8,044.00 kJ/mol  
33

7th Energy level
6,270.00 kJ/mol  
99+
8,040.00 kJ/mol  
27

8th Energy Level
6,270.00 kJ/mol  
99+
8,040.00 kJ/mol  
27

9th Energy Level
7,040.00 kJ/mol  
33
8,040.00 kJ/mol  
24

10th Energy Level
6,270.00 kJ/mol  
99+
8,040.00 kJ/mol  
28

11th Energy Level
6,270.00 kJ/mol  
99+
8,040.00 kJ/mol  
27

12th Energy Level
62,700.00 kJ/mol  
10
8,040.00 kJ/mol  
99+

13th Energy Level
6,270.00 kJ/mol  
38
5,310.00 kJ/mol  
99+

14th Energy Level
6,270.00 kJ/mol  
27
804.40 kJ/mol  
99+

15th Energy Level
62,700.00 kJ/mol  
38
80,400.00 kJ/mol  
16

16th Energy Level
62,700.00 kJ/mol  
28
804.40 kJ/mol  
99+

17th Energy Level
627.00 kJ/mol  
99+
804.40 kJ/mol  
33

18th Energy Level
6,270.00 kJ/mol  
40
8,045.00 kJ/mol  
22

19th Energy Level
994.80 kJ/mol  
21
804.40 kJ/mol  
30

20th Energy Level
627.00 kJ/mol  
99+
804.00 kJ/mol  
23

21st Energy Level
627.00 kJ/mol  
99+
804.40 kJ/mol  
99+

22nd Energy Level
345.00 kJ/mol  
99+
804.00 kJ/mol  
18

23rd Energy Level
6,270.00 kJ/mol  
14
804.40 kJ/mol  
99+

24th Energy Level
627.60 kJ/mol  
38
804.40 kJ/mol  
14

25th Energy Level
627.00 kJ/mol  
40
804.40 kJ/mol  
12

26th Energy Level
627.60 kJ/mol  
39
804.40 kJ/mol  
12

27th Energy Level
627.60 kJ/mol  
99+
804.40 kJ/mol  
11

28th Energy Level
627.60 kJ/mol  
99+
804.40 kJ/mol  
17

29th Energy Level
627.60 kJ/mol  
99+
804.40 kJ/mol  
16

30th Energy Level
627.60 kJ/mol  
99+
804.00 kJ/mol  
12

Electrochemical Equivalent
3.20 g/amp-hr  
15
1.99 g/amp-hr  
34

Electron Work Function
4.47 eV  
21
5.12 eV  
7

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

Atomic

Atomic Number
100  
18
46  
99+

Electron Configuration
[Rn] 5f12 7s2  
[Kr] 4d10  

Crystal Structure
Not Known  
Face Centered Cubic (FCC)  

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

Atom
  
  

Number of Protons
100  
18
46  
99+

Number of Neutrons
157  
8
60  
99+

Number of Electrons
100  
18
46  
99+

Radius of an Atom
  
  

Atomic Radius
180.00 pm  
16
137.00 pm  
99+

Covalent Radius
180.00 pm  
23
139.00 pm  
99+

Van der Waals Radius
245.00 pm  
13
163.00 pm  
99+

Atomic Weight
257.00 amu  
15
106.42 amu  
99+

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

Adjacent Atomic Numbers
  
  

Previous Element
Rhodium
  

Next Element
Silver
  

Valence Electron Potential
0.00 (-eV)  
99+
33.00 (-eV)  
99+

Lattice Constant
350.00 pm  
99+
389.07 pm  
28

Lattice Angles
-  
π/2, π/2, π/2  

Lattice C/A Ratio
1.63  
13
1.56  
99+

Mechanical

Density
  
  

Density At Room Temperature
9.70 g/cm3  
99+
12.02 g/cm3  
31

Density When Liquid (at m.p.)
9.70 g/cm3  
99+
10.38 g/cm3  
38

Tensile Strength
0.10 MPa  
99+
550.00 MPa  
8

Viscosity
0.00  
25
0.00  
14

Vapor Pressure
  
  

Vapor Pressure at 1000 K
0.00 (Pa)  
22
0.00 (Pa)  
29

Vapor Pressure at 2000 K
0.00 (Pa)  
30
0.00 (Pa)  
99+

Elasticity properties
  
  

Shear Modulus
30.00 GPa  
27
44.00 GPa  
17

Bulk Modulus
50.00 GPa  
24
180.00 GPa  
9

Young's Modulus
0.00 GPa  
99+
121.00 GPa  
18

Poisson Ratio
0.35  
9
0.39  
5

Other Mechanical Properties
-  
Ductile, Malleable, Weldable  

Magnetic

Magnetic Characteristics
  
  

Specific Gravity
9.70  
99+
12.02  
33

Magnetic Ordering
-  
Diamagnetic  

Permeability
0.00 H/m  
16
0.00 H/m  
18

Susceptibility
0.00  
24
0.00  
27

Electrical Properties
  
  

Electrical Property
-  
Conductor  

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

Electrical Conductivity
0.00 106/cm Ω  
99+
0.10 106/cm Ω  
27

Electron Affinity
0.00 kJ/mol  
99+
54.23 kJ/mol  
21

Thermal

Specific Heat
0.10 J/(kg K)  
99+
0.24 J/(kg K)  
23

Molar Heat Capacity
27.00 J/mol·K  
29
25.98 J/mol·K  
99+

Thermal Conductivity
0.00 W/m·K  
99+
71.80 W/m·K  
23

Critical Temperature
1,323.00 K  
99+
1,825.00 K  
26

Thermal Expansion
11.00 µm/(m·K)  
99+
11.80 µm/(m·K)  
99+

Enthalpy
  
  

Enthalpy of Vaporization
319.20 kJ/mol  
99+
376.60 kJ/mol  
28

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

Enthalpy of Atomization
-  
393.30 kJ/mol  
29

Standard Molar Entropy
50.00 J/mol.K  
99+
37.60 J/mol.K  
99+

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