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Plutonium Bohrium Comparison

Plutonium
Bohrium
Bohrium Plutonium comparison


Periodic Table
Symbol
Pu  
Bh  
Group Number
0  
18
7  
11
Period Number
7  
7  
Block
f block  
d block  
Element Family
Actinide  
Transition Metal  
CAS Number
7440075  
99+
54037148  
12
Space Group Name
P121/m1  
-  
Space Group Number
11.00  
16
276.00  
1
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.
  
  • Bohrium metal is also known as Unnilseptium (Uns) and Nielsbohrium (Ns).
  
Sources
Mining, Ores of metals  
Found in Minerals, Mining, Synthetically Produced  
History
  
  
Who Discovered
Glenn T. Seaborg, Arthur Wahl, Joseph W. Kennedy, Edwin McMillan  
Gesellschaft für Schwerionenforschung  
Discovery
In Between 1940 1941  
In 1981  
Abundance
  
  
Abundance In Universe
0.00 %  
40
0.00 %  
37
Abundance In Sun
0.00 %  
21
-  
Abundance In Meteorites
-  
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
  • 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.
  
  • Currently known uses of Bohrium metal are limited to research purpose only.
  
Industrial Uses
Aerospace Industry, Ammunition Industry  
-  
Medical Uses
-  
-  
Other Uses
Alloys  
Research Purposes  
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  
40
In Bone
0.00 p.p.m.  
99+
0.00 p.p.m.  
99+
Physical
Melting Point
639.50 °C  
99+
-  
Boiling Point
3,235.00 °C  
25
0.00 °C  
99+
Appearance
  
  
Physical State
Solid  
Solid  
Color
Silvery White  
-  
Luster
-  
Unknown Luster  
Hardness
  
  
Mohs Hardness
4.00  
11
7.00  
3
Brinell Hardness
627.00 MPa  
22
270.00 MPa  
99+
Vickers Hardness
617.00 MPa  
26
2,700.00 MPa  
4
Speed of Sound
2,260.00 m/s  
99+
2,680.00 m/s  
99+
Optical Properties
  
  
Refractive Index
1.90  
18
1.50  
36
Reflectivity
68.00 %  
15
59.00 %  
24
Allotropes
No  
No  
α Allotropes
-  
-  
β Allotropes
-  
-  
γ Allotropes
-  
-  
Chemical
Chemical Formula
Pu  
Bh  
Isotopes
  
  
Known Isotopes
20  
19
5  
32
Electronegativity
  
  
Pauling Electronegativity
1.28  
34
2.00  
8
Sanderson Electronegativity
1.28  
26
1.30  
25
Allred Rochow Electronegativity
1.22  
27
1.30  
25
Mulliken-Jaffe Electronegativity
1.30  
33
1.30  
33
Allen Electronegativity
1.28  
99+
2.00  
6
Electropositivity
  
  
Pauling Electropositivity
2.72  
21
2.00  
99+
Ionization Energies
  
  
1st Energy Level
584.70 kJ/mol  
99+
742.90 kJ/mol  
23
2nd Energy Level
1,128.00 kJ/mol  
99+
1,688.50 kJ/mol  
31
3rd Energy Level
2,084.00 kJ/mol  
99+
2,566.50 kJ/mol  
99+
4th Energy Level
3,338.00 kJ/mol  
99+
3,598.90 kJ/mol  
99+
5th Energy Level
5,847.00 kJ/mol  
99+
4,727.80 kJ/mol  
99+
6th Energy Level
5,847.00 kJ/mol  
99+
5,991.70 kJ/mol  
99+
7th Energy level
5,840.00 kJ/mol  
99+
7,226.80 kJ/mol  
34
8th Energy Level
5,840.00 kJ/mol  
99+
7,100.00 kJ/mol  
33
9th Energy Level
5,840.00 kJ/mol  
99+
5,800.00 kJ/mol  
99+
10th Energy Level
5,840.00 kJ/mol  
99+
7,100.00 kJ/mol  
35
11th Energy Level
5,840.00 kJ/mol  
99+
8,200.00 kJ/mol  
25
12th Energy Level
58,400.00 kJ/mol  
18
82,700.00 kJ/mol  
4
13th Energy Level
5,840.00 kJ/mol  
99+
7,100.00 kJ/mol  
29
14th Energy Level
5,840.00 kJ/mol  
39
8,200.00 kJ/mol  
17
15th Energy Level
58,400.00 kJ/mol  
99+
82,000.00 kJ/mol  
14
16th Energy Level
58,400.00 kJ/mol  
40
71,100.00 kJ/mol  
20
17th Energy Level
584.70 kJ/mol  
99+
820.00 kJ/mol  
31
18th Energy Level
5,840.00 kJ/mol  
99+
8,200.00 kJ/mol  
20
19th Energy Level
584.70 kJ/mol  
99+
820.80 kJ/mol  
28
20th Energy Level
584.00 kJ/mol  
99+
820.00 kJ/mol  
21
21st Energy Level
584.70 kJ/mol  
99+
8,200.00 kJ/mol  
11
22nd Energy Level
584.00 kJ/mol  
99+
820.00 kJ/mol  
16
23rd Energy Level
584.70 kJ/mol  
99+
8,200.00 kJ/mol  
8
24th Energy Level
584.70 kJ/mol  
99+
820.00 kJ/mol  
12
25th Energy Level
584.70 kJ/mol  
99+
820.00 kJ/mol  
10
26th Energy Level
584.70 kJ/mol  
99+
820.00 kJ/mol  
10
27th Energy Level
584.70 kJ/mol  
99+
820.00 kJ/mol  
9
28th Energy Level
584.70 kJ/mol  
99+
820.00 kJ/mol  
15
29th Energy Level
584.70 kJ/mol  
99+
820.00 kJ/mol  
14
30th Energy Level
584.00 kJ/mol  
99+
820.00 kJ/mol  
10
Electrochemical Equivalent
2.28 g/amp-hr  
26
3.00 g/amp-hr  
21
Electron Work Function
3.88 eV  
38
4.90 eV  
12
Other Chemical Properties
Corrosion, Ionization, Radioactive Isotopes, Radioactivity  
Ionization, Radioactive Isotopes  
Atomic
Atomic Number
94  
24
107  
11
Electron Configuration
[Rn] 5f6 7s2  
[Rn] 5f14 6d5 7s2  
Crystal Structure
Monoclinic (MON)  
Hexagonal Close Packed (HCP)  
Crystal Lattice
MON-Crystal-Structure-of-Plutonium.jpg#100  
BCC-Crystal-Structure-.jpg#100  
Atom
  
  
Number of Protons
94  
24
107  
11
Number of Neutrons
150  
12
155  
9
Number of Electrons
94  
24
107  
11
Radius of an Atom
  
  
Atomic Radius
159.00 pm  
30
128.00 pm  
99+
Covalent Radius
187.00 pm  
20
141.00 pm  
99+
Van der Waals Radius
200.00 pm  
35
0.00 pm  
99+
Atomic Weight
244.00 amu  
19
270.00 amu  
8
Atomic Volume
12.32 cm3/mol  
99+
23.70 cm3/mol  
14
Adjacent Atomic Numbers
  
  
Previous Element
Neptunium
  
Seaborgium
  
Next Element
Americium
  
Hassium
  
Valence Electron Potential
64.90 (-eV)  
21
27.20 (-eV)  
99+
Lattice Constant
618.30 pm  
4
-  
Lattice Angles
-  
-  
Lattice C/A Ratio
1.74  
6
1.57  
99+
Mechanical
Density
  
  
Density At Room Temperature
19.82 g/cm3  
13
37.10 g/cm3  
3
Density When Liquid (at m.p.)
16.63 g/cm3  
18
37.10 g/cm3  
3
Tensile Strength
40.00 MPa  
99+
152.00 MPa  
24
Viscosity
0.00  
25
0.00  
25
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)  
28
0.00 (Pa)  
37
Vapor Pressure at 2000 K
2.20 (Pa)  
12
0.00 (Pa)  
37
Elasticity properties
  
  
Shear Modulus
43.00 GPa  
18
28.00 GPa  
32
Bulk Modulus
100.00 GPa  
16
37.00 GPa  
99+
Young's Modulus
96.00 GPa  
23
0.00 GPa  
99+
Poisson Ratio
0.21  
33
0.35  
9
Other Mechanical Properties
Ductile, Malleable  
-  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
19.84  
16
37.00  
5
Magnetic Ordering
Paramagnetic  
-  
Permeability
0.00 H/m  
16
0.00 H/m  
11
Susceptibility
0.00  
21
0.00  
24
Electrical Properties
  
  
Electrical Property
Poor Conductor  
-  
Resistivity
1.46 nΩ·m  
99+
6.50 nΩ·m  
99+
Electrical Conductivity
0.01 106/cm Ω  
99+
0.00 106/cm Ω  
99+
Electron Affinity
0.60 kJ/mol  
99+
-  
Thermal
Specific Heat
0.13 J/(kg K)  
40
0.10 J/(kg K)  
99+
Molar Heat Capacity
35.50 J/mol·K  
4
37.10 J/mol·K  
2
Thermal Conductivity
6.74 W/m·K  
99+
37.00 W/m·K  
36
Critical Temperature
913.00 K  
99+
1,323.00 K  
99+
Thermal Expansion
46.70 µm/(m·K)  
6
14.30 µm/(m·K)  
28
Enthalpy
  
  
Enthalpy of Vaporization
344.00 kJ/mol  
36
270.50 kJ/mol  
99+
Enthalpy of Fusion
2.82 kJ/mol  
99+
-  
Enthalpy of Atomization
360.00 kJ/mol  
35
-  
Standard Molar Entropy
37.10 J/mol.K  
99+
57.00 J/mol.K  
30
Summary >>
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