Meitnerium vs Plutonium
Periodic Table
Symbol
Mt
Pu
Group Number
9
9
0
18
Period Number
7
7
Block
d block
f block
Element Family
Probably Transition
Actinide
CAS Number
54038016
10
7440075
99+
Space Group Name
Not Available
P121/m1
Space Group Number
Not Available
11.00
13
Facts
Interesting Facts
Not Available
- Plutonium metal if obtain from ores of uranium metal.
- Plutonium metal is very sensitive to the change in atmospheric conditions like temperature and pressure.
Sources
Bombarding Bi209 with Accelerated Nuclei of Fe58, Synthetically Produced
Mining, Ores of metals
History
Who Discovered
Gesellschaft für Schwerionenforschung
Glenn T. Seaborg, Arthur Wahl, Joseph W. Kennedy, Edwin McMillan
Discovery
In 1982
In Between 1940 1941
Abundance
Uses
Uses & Benefits
- Currently known uses of Meitnerium metal are limited to research purpose only.
- 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.
Industrial Uses
NA
Aerospace Industry, Ammunition Industry
Medical Uses
NA
NA
Other Uses
NA
Alloys
Biological Properties
Toxicity
Unknown
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.
36
0.00 p.p.m.
36
Physical Properties
Melting Point
Not Available
639.50 °C
99+
Boiling Point
Not Available
3,235.00 °C
24
Appearance
Physical State
Solid
Solid
Color
Unknown
Silvery White
Luster
Unknown Luster
NA
Hardness
Speed of Sound
Not Available
2,260.00 m/s
99+
Optical Properties
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
Mt
Pu
Isotopes
Known Isotopes
4
33
20
19
Electronegativity
Pauling Electronegativity
Not Available
1.28
33
Allred Rochow Electronegativity
Not Available
1.22
26
Electropositivity
Pauling Electropositivity
Not Available
2.72
21
Ionization Energies
1st Energy Level
800.80 kJ/mol
15
584.70 kJ/mol
99+
2nd Energy Level
1,823.60 kJ/mol
17
1,128.00 kJ/mol
99+
3rd Energy Level
2,904.20 kJ/mol
31
2,084.00 kJ/mol
99+
4th Energy Level
3,859.40 kJ/mol
99+
3,338.00 kJ/mol
99+
5th Energy Level
4,920.80 kJ/mol
35
Not Available
Electrochemical Equivalent
Not Available
2.28 g/amp-hr
22
Electron Work Function
Not Available
Not Available
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity
Corrosion, Ionization, Radioactive Isotopes, Radioactivity
Atomic Properties
Atomic Number
109
9
94
24
Electron Configuration
[Rn] 5f14 6d7 7s2
[Rn] 5f6 7s2
Crystal Structure
Face Centered Cubic (FCC)
Monoclinic (MON)
Crystal Lattice
FCC-Crystal-Structure-of-Meitnerium.jpg#100
MON-Crystal-Structure-of-Plutonium.jpg#100
Atom
Number of Protons
109
9
94
24
Number of Neutrons
157
7
150
11
Number of Electrons
109
9
94
24
Radius of an Atom
Atomic Radius
122.00 pm
99+
159.00 pm
28
Covalent Radius
129.00 pm
99+
187.00 pm
20
Van der Waals Radius
Not Available
200.00 pm
28
Atomic Weight
278.00 amu
7
244.00 amu
19
Atomic Volume
Not Available
12.32 cm3/mol
99+
Adjacent Atomic Numbers
Valence Electron Potential
Not Available
64.90 (-eV)
21
Lattice Constant
Not Available
618.30 pm
4
Lattice Angles
NA
NA
Lattice C/A Ratio
Not Available
Not Available
Mechanical Properties
Density
Density At Room Temperature
37.40 g/cm3
2
19.82 g/cm3
13
Density When Liquid (at m.p.)
Not Available
16.63 g/cm3
8
Tensile Strength
Not Available
Not Available
Viscosity
Not Available
Not Available
Vapor Pressure
Vapor Pressure at 1000 K
Not Available
0.00 (Pa)
26
Vapor Pressure at 2000 K
Not Available
2.20 (Pa)
12
Elasticity properties
Shear Modulus
Not Available
43.00 GPa
18
Young's Modulus
Not Available
96.00 GPa
21
Poisson Ratio
Not Available
0.21
32
Other Mechanical Properties
NA
Ductile, Malleable
Magnetic Properties
Magnetic Characteristics
Specific Gravity
Not Available
19.84
7
Magnetic Ordering
Paramagnetic
Paramagnetic
Electrical Properties
Electrical Property
Unknown
Poor Conductor
Resistivity
Not Available
1.46 nΩ·m
99+
Electrical Conductivity
Not Available
0.01 106/cm Ω
99+
Thermal Properties
Specific Heat
Not Available
0.13 J/(kg K)
39
Molar Heat Capacity
Not Available
35.50 J/mol·K
3
Thermal Conductivity
Not Available
6.74 W/m·K
99+
Critical Temperature
Not Available
Not Available
Thermal Expansion
Not Available
46.70 µm/(m·K)
6
Enthalpy
Enthalpy of Vaporization
Not Available
344.00 kJ/mol
25
Enthalpy of Fusion
Not Available
2.82 kJ/mol
99+
Enthalpy of Atomization
Not Available
360.00 kJ/mol
26
Standard Molar Entropy
Not Available
Not Available
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