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Palladium Uranium Comparison

Palladium
Uranium
Uranium Palladium comparison


Periodic Table
Symbol
Pd  
U  
Group Number
10  
8
0  
18
Period Number
5  
7  
Block
d block  
f block  
Element Family
Transition Metal  
Actinide  
CAS Number
7440053  
99+
7440611  
28
Space Group Name
Fm_ 3m  
Cmcm  
Space Group Number
225.00  
3
63.00  
13
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
  
  • Major mining countries of Uranium include Russia, Australia, Namibia, Canada and Niger and total 33% Uranium are mine in Kazakhstan.
  
Sources
Ores of metals  
Earth's crust, Mining, Ores of Minerals  
History
  
  
Who Discovered
William Hyde Wollaston  
-  
Discovery
In 1803  
In 1789  
Abundance
  
  
Abundance In Universe
0.00 %  
23
0.00 %  
30
Abundance In Sun
0.00 %  
24
0.00 %  
26
Abundance In Meteorites
0.00 %  
99+
0.00 %  
99+
Abundance In Earth's Crust
0.00 %  
99+
0.00 %  
36
Abundance In Oceans
-  
0.00 %  
11
Abundance In Humans
0.00 %  
24
0.00 %  
24
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.
  
  • The main use of this metal include nuclear fuel which is used to generate electricity yin nuclear power stations.
  • Synthetic elements like transuranium are made from Uranium metal.
  
Industrial Uses
Aerospace Industry, Automobile Industry, Electronic Industry  
Ammunition Industry, Chemical Industry  
Medical Uses
Dentistry, Pharmaceutical Industry, Surgical Instruments Manufacturing  
-  
Other Uses
Coinage, Bullion, Jewellery  
Alloys, Jewellery, Nuclear Reactor's Fuel, Sculptures, Statues  
Biological Properties
  
  
Toxicity
Toxic  
Toxic  
Present in Human Body
No  
No  
In Blood
0.00 Blood/mg dm-3  
37
0.00 Blood/mg dm-3  
37
In Bone
0.00 p.p.m.  
99+
1.20 p.p.m.  
19
Physical
Melting Point
1,554.90 °C  
22
1,132.00 °C  
39
Boiling Point
2,963.00 °C  
34
3,818.00 °C  
16
Appearance
  
  
Physical State
Solid  
Solid  
Color
Silver  
Silvery Gray  
Luster
Metallic  
Metallic  
Hardness
  
  
Mohs Hardness
4.75  
9
6.00  
6
Brinell Hardness
320.00 MPa  
40
2,350.00 MPa  
2
Vickers Hardness
121.00 MPa  
99+
1,960.00 MPa  
6
Speed of Sound
3,070.00 m/s  
38
3,155.00 m/s  
36
Optical Properties
  
  
Refractive Index
1.72  
25
1.38  
40
Reflectivity
84.00 %  
5
80.00 %  
7
Allotropes
No  
No  
α Allotropes
-  
-  
β Allotropes
-  
-  
γ Allotropes
-  
-  
Chemical
Chemical Formula
Pd  
U  
Isotopes
  
  
Known Isotopes
38  
1
25  
14
Electronegativity
  
  
Pauling Electronegativity
2.20  
5
1.38  
29
Sanderson Electronegativity
2.20  
8
1.38  
22
Allred Rochow Electronegativity
1.35  
22
1.22  
27
Mulliken-Jaffe Electronegativity
2.20  
6
1.38  
29
Allen Electronegativity
1.59  
25
1.38  
36
Electropositivity
  
  
Pauling Electropositivity
1.80  
99+
2.62  
26
Ionization Energies
  
  
1st Energy Level
520.23 kJ/mol  
99+
597.60 kJ/mol  
99+
2nd Energy Level
7,298.22 kJ/mol  
2
1,420.00 kJ/mol  
99+
3rd Energy Level
11,815.13 kJ/mol  
3
1,900.00 kJ/mol  
99+
4th Energy Level
870.00 kJ/mol  
99+
3,145.00 kJ/mol  
99+
5th Energy Level
8,044.00 kJ/mol  
13
5,976.00 kJ/mol  
99+
6th Energy Level
8,044.00 kJ/mol  
33
5,976.00 kJ/mol  
99+
7th Energy level
8,040.00 kJ/mol  
27
5,970.00 kJ/mol  
99+
8th Energy Level
8,040.00 kJ/mol  
27
5,976.00 kJ/mol  
99+
9th Energy Level
8,040.00 kJ/mol  
24
5,976.00 kJ/mol  
99+
10th Energy Level
8,040.00 kJ/mol  
28
5,976.00 kJ/mol  
99+
11th Energy Level
8,040.00 kJ/mol  
27
5,976.00 kJ/mol  
99+
12th Energy Level
8,040.00 kJ/mol  
99+
5,970.00 kJ/mol  
99+
13th Energy Level
5,310.00 kJ/mol  
99+
5,970.00 kJ/mol  
99+
14th Energy Level
804.40 kJ/mol  
99+
5,970.00 kJ/mol  
34
15th Energy Level
80,400.00 kJ/mol  
16
59,700.00 kJ/mol  
99+
16th Energy Level
804.40 kJ/mol  
99+
59,700.00 kJ/mol  
35
17th Energy Level
804.40 kJ/mol  
33
597.60 kJ/mol  
99+
18th Energy Level
8,045.00 kJ/mol  
22
5,976.00 kJ/mol  
99+
19th Energy Level
804.40 kJ/mol  
30
597.60 kJ/mol  
99+
20th Energy Level
804.00 kJ/mol  
23
597.00 kJ/mol  
99+
21st Energy Level
804.40 kJ/mol  
99+
597.60 kJ/mol  
99+
22nd Energy Level
804.00 kJ/mol  
18
597.00 kJ/mol  
99+
23rd Energy Level
804.40 kJ/mol  
99+
597.60 kJ/mol  
99+
24th Energy Level
804.40 kJ/mol  
14
597.60 kJ/mol  
99+
25th Energy Level
804.40 kJ/mol  
12
597.60 kJ/mol  
99+
26th Energy Level
804.40 kJ/mol  
12
597.60 kJ/mol  
99+
27th Energy Level
804.40 kJ/mol  
11
597.60 kJ/mol  
99+
28th Energy Level
804.40 kJ/mol  
17
597.60 kJ/mol  
99+
29th Energy Level
804.40 kJ/mol  
16
597.60 kJ/mol  
99+
30th Energy Level
804.00 kJ/mol  
12
597.60 kJ/mol  
99+
Electrochemical Equivalent
1.99 g/amp-hr  
34
1.48 g/amp-hr  
99+
Electron Work Function
5.12 eV  
7
3.63 eV  
99+
Other Chemical Properties
Chemical Stability, Corrosion, Ionization, Solubility  
Ionization, Radioactive Isotopes, Radioactivity  
Atomic
Atomic Number
46  
99+
92  
26
Electron Configuration
[Kr] 4d10  
[Rn] 5f3 6d1 7s2  
Crystal Structure
Face Centered Cubic (FCC)  
Orthorhombic (ORTH)  
Crystal Lattice
FCC-Crystal-Structure-of-Palladium.jpg#100  
ORTH-Crystal-Structure-of-Uranium.jpg#100  
Atom
  
  
Number of Protons
46  
99+
92  
26
Number of Neutrons
60  
99+
146  
14
Number of Electrons
46  
99+
92  
26
Radius of an Atom
  
  
Atomic Radius
137.00 pm  
99+
156.00 pm  
31
Covalent Radius
139.00 pm  
99+
196.00 pm  
14
Van der Waals Radius
163.00 pm  
99+
186.00 pm  
40
Atomic Weight
106.42 amu  
99+
238.03 amu  
21
Atomic Volume
8.90 cm3/mol  
99+
12.59 cm3/mol  
99+
Adjacent Atomic Numbers
  
  
Previous Element
Rhodium
  
Protactinium
  
Next Element
Silver
  
Neptunium
  
Valence Electron Potential
33.00 (-eV)  
99+
170.00 (-eV)  
4
Lattice Constant
389.07 pm  
28
295.08 pm  
99+
Lattice Angles
π/2, π/2, π/2  
π/2, π/2, π/2  
Lattice C/A Ratio
1.56  
99+
1.02  
99+
Mechanical
Density
  
  
Density At Room Temperature
12.02 g/cm3  
31
19.10 g/cm3  
17
Density When Liquid (at m.p.)
10.38 g/cm3  
38
17.30 g/cm3  
17
Tensile Strength
550.00 MPa  
8
100.00 MPa  
28
Viscosity
0.00  
14
0.00  
21
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)  
29
0.00 (Pa)  
37
Vapor Pressure at 2000 K
0.00 (Pa)  
99+
0.01 (Pa)  
20
Elasticity properties
  
  
Shear Modulus
44.00 GPa  
17
111.00 GPa  
10
Bulk Modulus
180.00 GPa  
9
100.00 GPa  
16
Young's Modulus
121.00 GPa  
18
208.00 GPa  
11
Poisson Ratio
0.39  
5
0.23  
30
Other Mechanical Properties
Ductile, Malleable, Weldable  
Ductile, Malleable  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
12.02  
33
18.80  
19
Magnetic Ordering
Diamagnetic  
Paramagnetic  
Permeability
0.00 H/m  
18
0.00 H/m  
16
Susceptibility
0.00  
27
0.00  
24
Electrical Properties
  
  
Electrical Property
Conductor  
Poor Conductor  
Resistivity
105.40 nΩ·m  
29
0.28 nΩ·m  
99+
Electrical Conductivity
0.10 106/cm Ω  
27
0.04 106/cm Ω  
99+
Electron Affinity
54.23 kJ/mol  
21
50.60 kJ/mol  
25
Thermal
Specific Heat
0.24 J/(kg K)  
23
0.12 J/(kg K)  
99+
Molar Heat Capacity
25.98 J/mol·K  
99+
27.67 J/mol·K  
18
Thermal Conductivity
71.80 W/m·K  
23
27.50 W/m·K  
99+
Critical Temperature
1,825.00 K  
26
1,405.00 K  
99+
Thermal Expansion
11.80 µm/(m·K)  
99+
13.90 µm/(m·K)  
30
Enthalpy
  
  
Enthalpy of Vaporization
376.60 kJ/mol  
28
477.00 kJ/mol  
18
Enthalpy of Fusion
16.74 kJ/mol  
18
15.48 kJ/mol  
19
Enthalpy of Atomization
393.30 kJ/mol  
29
489.50 kJ/mol  
18
Standard Molar Entropy
37.60 J/mol.K  
99+
50.20 J/mol.K  
99+
Summary >>
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