Plutonium vs Silver
Periodic Table
Symbol
Pu
Ag
Group Number
0
18
11
7
Period Number
7
5
Block
f block
d block
Element Family
Actinide
Transition Metal
CAS Number
7440075
99+
7440224
99+
Space Group Name
P121/m1
Fm_ 3m
Space Group Number
11.00
13
225.00
2
Facts
Interesting Facts
- Plutonium metal if obtain from ores of uranium metal.
- Plutonium metal is very sensitive to the change in atmospheric conditions like temperature and pressure.
- It is the most reflective element.
- Silver is the second most ductile metal after Gold.
- It is also used in Dentistry as a dental alloys for clips and crowning.
Sources
Mining, Ores of metals
Earth's crust, Found in Minerals, Ores of metals
History
Who Discovered
Glenn T. Seaborg, Arthur Wahl, Joseph W. Kennedy, Edwin McMillan
Unknown
Discovery
In Between 1940 1941
Before 5000 BC
Abundance
Abundance In Universe
Not Available
6 * 10-8 %
26
Abundance In Sun
~-9999 %
~0.0000001 %
26
Abundance In Meteorites
Not Available
0.00 %
38
Abundance In Earth's Crust
Not Available
0.00 %
99+
Abundance In Oceans
Not Available
0.00 %
19
Uses
Uses & Benefits
- Plutonium was used in atomic bombs and still it is being used in various weapons and Ammunition industry.
- It is also used in nuclear power plant as source of energy for space missions.
- Silver is mainly used for Jewelry and show piece.
- It is used for manufacturing high quality mirrors due to its reflectivity property.
Industrial Uses
Aerospace Industry, Ammunition Industry
Chemical Industry, Clothing Industry, Electrical Industry
Medical Uses
NA
Dentistry, Pharmaceutical Industry
Other Uses
Alloys
Alloys, Bullion, Coinage, Jewellery, Sculptures, Statues
Biological Properties
Toxicity
Toxic
Non Toxic
Present in Human Body
No
Yes
In Blood
0.00 Blood/mg dm-3
37
0.00 Blood/mg dm-3
29
In Bone
0.00 p.p.m.
36
0.44 p.p.m.
20
Physical Properties
Melting Point
639.50 °C
99+
961.93 °C
99+
Boiling Point
3,235.00 °C
24
2,212.00 °C
99+
Appearance
Physical State
Solid
Solid
Color
Silvery White
Silvery White
Luster
NA
Metallic
Hardness
Mohs Hardness
Not Available
2.50
14
Brinell Hardness
Not Available
251.00 MPa
37
Vickers Hardness
Not Available
229.00 MPa
30
Speed of Sound
2,260.00 m/s
99+
2,680.00 m/s
34
Optical Properties
Reflectivity
Not Available
97.00 %
1
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
Pu
Ag
Isotopes
Known Isotopes
20
19
36
3
Electronegativity
Pauling Electronegativity
1.28
33
1.93
9
Sanderson Electronegativity
Not Available
1.83
11
Allred Rochow Electronegativity
1.22
26
1.42
18
Mulliken-Jaffe Electronegativity
Not Available
1.47
15
Allen Electronegativity
Not Available
1.87
7
Electropositivity
Pauling Electropositivity
2.72
21
2.07
99+
Ionization Energies
1st Energy Level
584.70 kJ/mol
99+
731.00 kJ/mol
27
2nd Energy Level
1,128.00 kJ/mol
99+
2,070.00 kJ/mol
11
3rd Energy Level
2,084.00 kJ/mol
99+
3,361.00 kJ/mol
19
4th Energy Level
3,338.00 kJ/mol
99+
Not Available
Electrochemical Equivalent
2.28 g/amp-hr
22
4.02 g/amp-hr
7
Electron Work Function
Not Available
4.26 eV
20
Other Chemical Properties
Corrosion, Ionization, Radioactive Isotopes, Radioactivity
Chemical Stability, Ionization, Solubility
Atomic Properties
Atomic Number
94
24
47
99+
Electron Configuration
[Rn] 5f6 7s2
[Kr] 4d10 5s1
Crystal Structure
Monoclinic (MON)
Face Centered Cubic (FCC)
Crystal Lattice
MON-Crystal-Structure-of-Plutonium.jpg#100
FCC-Crystal-Structure-of-Silver.jpg#100
Atom
Number of Protons
94
24
47
99+
Number of Neutrons
150
11
61
99+
Number of Electrons
94
24
47
99+
Radius of an Atom
Atomic Radius
159.00 pm
28
144.00 pm
36
Covalent Radius
187.00 pm
20
145.00 pm
39
Van der Waals Radius
200.00 pm
28
172.00 pm
38
Atomic Weight
244.00 amu
19
107.87 amu
99+
Atomic Volume
12.32 cm3/mol
99+
10.30 cm3/mol
99+
Adjacent Atomic Numbers
Valence Electron Potential
64.90 (-eV)
21
11.40 (-eV)
99+
Lattice Constant
618.30 pm
4
408.53 pm
20
Lattice Angles
NA
π/2, π/2, π/2
Lattice C/A Ratio
Not Available
Not Available
Mechanical Properties
Density
Density At Room Temperature
19.82 g/cm3
13
10.49 g/cm3
35
Density When Liquid (at m.p.)
16.63 g/cm3
8
9.32 g/cm3
21
Tensile Strength
Not Available
Not Available
Viscosity
Not Available
Not Available
Vapor Pressure
Vapor Pressure at 1000 K
0.00 (Pa)
26
0.00 (Pa)
14
Vapor Pressure at 2000 K
2.20 (Pa)
12
Not Available
Elasticity properties
Shear Modulus
43.00 GPa
18
30.00 GPa
23
Bulk Modulus
Not Available
100.00 GPa
16
Young's Modulus
96.00 GPa
21
83.00 GPa
23
Poisson Ratio
0.21
32
0.37
7
Other Mechanical Properties
Ductile, Malleable
Ductile, Malleable
Magnetic Properties
Magnetic Characteristics
Specific Gravity
19.84
7
10.50
26
Magnetic Ordering
Paramagnetic
Diamagnetic
Susceptibility
Not Available
0.00
5
Electrical Properties
Electrical Property
Poor Conductor
Conductor
Resistivity
1.46 nΩ·m
99+
15.87 nΩ·m
99+
Electrical Conductivity
0.01 106/cm Ω
99+
0.63 106/cm Ω
1
Electron Affinity
Not Available
125.60 kJ/mol
5
Thermal Properties
Specific Heat
0.13 J/(kg K)
39
0.24 J/(kg K)
25
Molar Heat Capacity
35.50 J/mol·K
3
25.35 J/mol·K
99+
Thermal Conductivity
6.74 W/m·K
99+
429.00 W/m·K
1
Critical Temperature
Not Available
Not Available
Thermal Expansion
46.70 µm/(m·K)
6
18.90 µm/(m·K)
23
Enthalpy
Enthalpy of Vaporization
344.00 kJ/mol
25
255.10 kJ/mol
37
Enthalpy of Fusion
2.82 kJ/mol
99+
11.30 kJ/mol
31
Enthalpy of Atomization
360.00 kJ/mol
26
284.50 kJ/mol
37
Standard Molar Entropy
Not Available
42.60 J/mol.K
35
|
||
|
||
|
