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Beryllium vs Plutonium

Beryllium
Plutonium
Plutonium vs Beryllium


Periodic Table
Symbol
Be   
Pu   
Group Number
2   
16
0   
18
Period Number
2   
7   
Block
s block   
f block   
Element Family
Alkaline Earth   
Actinide   
CAS Number
7440417   
99+
7440075   
99+
Space Group Name
P63/mmc   
P121/m1   
Space Group Number
194.00   
5
11.00   
13
Facts
Interesting Facts
  • Beryllium is best anti corrosion metal.
  • Beryllium is the lightest metal and still it is stronger than steel.
  • It also finds various applications in Nuclear reactors as a reflector.
  
  • 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
Earth's crust, Found in Minerals, Mining, Ores of metals, Ores of Minerals   
Mining, Ores of metals   
History
  
  
Who Discovered
Louis Nicolas Vauquelin   
Glenn T. Seaborg, Arthur Wahl, Joseph W. Kennedy, Edwin McMillan   
Discovery
In 1797   
In Between 1940 1941   
Abundance
  
  
Abundance In Universe
1 * 10-7 %   
23
Not Available   
Abundance In Sun
~0.00000001 %   
29
~-9999 %   
Abundance In Meteorites
0.00 %   
99+
Not Available   
Abundance In Earth's Crust
0.00 %   
35
Not Available   
Abundance In Oceans
0.00 %   
39
Not Available   
Abundance In Humans
0.00 %   
19
Not Available   
Uses
Uses & Benefits
  • Its alloys with copper or nickel are used in manufacturing Gyroscopes, springs, electrical contact and non sparking tools.
  • Beryllium Alloys are used as a material for aircraft, missiles, spacecraft and satellite.
  
  • 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
Aerospace Industry, Ammunition Industry, Automobile Industry, Electrical Industry, Electronic Industry   
Aerospace Industry, Ammunition Industry   
Medical Uses
NA   
NA   
Other Uses
Alloys   
Alloys   
Biological Properties
  
  
Toxicity
Toxic   
Toxic   
Present in Human Body
Yes   
No   
In Blood
0.00 Blood/mg dm-3   
32
0.00 Blood/mg dm-3   
37
In Bone
0.00 p.p.m.   
32
0.00 p.p.m.   
36
Physical Properties
Melting Point
1,278.00 °C   
36
639.50 °C   
99+
Boiling Point
2,970.00 °C   
32
3,235.00 °C   
24
Appearance
  
  
Physical State
Solid   
Solid   
Color
White Gray   
Silvery White   
Luster
Metallic   
NA   
Hardness
  
  
Mohs Hardness
5.50   
7
Not Available   
Brinell Hardness
590.00 MPa   
21
Not Available   
Vickers Hardness
1,670.00 MPa   
4
Not Available   
Speed of Sound
12,890.00 m/s   
2
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
Be   
Pu   
Isotopes
  
  
Known Isotopes
9   
29
20   
19
Electronegativity
  
  
Pauling Electronegativity
1.57   
24
1.28   
33
Sanderson Electronegativity
1.81   
12
Not Available   
Allred Rochow Electronegativity
1.47   
14
1.22   
26
Mulliken-Jaffe Electronegativity
1.54   
12
Not Available   
Allen Electronegativity
1.58   
23
Not Available   
Electropositivity
  
  
Pauling Electropositivity
2.43   
30
2.72   
21
Ionization Energies
  
  
1st Energy Level
899.50 kJ/mol   
7
584.70 kJ/mol   
99+
2nd Energy Level
1,757.10 kJ/mol   
23
1,128.00 kJ/mol   
99+
3rd Energy Level
14,848.70 kJ/mol   
2
2,084.00 kJ/mol   
99+
4th Energy Level
21,006.60 kJ/mol   
2
3,338.00 kJ/mol   
99+
Electrochemical Equivalent
0.17 g/amp-hr   
99+
2.28 g/amp-hr   
22
Electron Work Function
4.98 eV   
6
Not Available   
Other Chemical Properties
Corrosion, Ionization, Radioactive Isotopes   
Corrosion, Ionization, Radioactive Isotopes, Radioactivity   
Atomic Properties
Atomic Number
4   
99+
94   
24
Electron Configuration
[He] 2s2   
[Rn] 5f6 7s2   
Crystal Structure
Hexagonal Close Packed (HCP)   
Monoclinic (MON)   
Crystal Lattice
HCP-Crystal-Structure-of-Beryllium.jpg#100   
MON-Crystal-Structure-of-Plutonium.jpg#100   
Atom
  
  
Number of Protons
4   
99+
94   
24
Number of Neutrons
5   
99+
150   
11
Number of Electrons
4   
99+
94   
24
Radius of an Atom
  
  
Atomic Radius
112.00 pm   
99+
159.00 pm   
28
Covalent Radius
96.00 pm   
99+
187.00 pm   
20
Van der Waals Radius
153.00 pm   
99+
200.00 pm   
28
Atomic Weight
9.01 amu   
99+
244.00 amu   
19
Atomic Volume
5.00 cm3/mol   
99+
12.32 cm3/mol   
99+
Adjacent Atomic Numbers
  
  
Previous Element
Lithium
  
Neptunium
  
Next Element
Sodium
  
Americium
  
Valence Electron Potential
82.00 (-eV)   
15
64.90 (-eV)   
21
Lattice Constant
228.58 pm   
99+
618.30 pm   
4
Lattice Angles
π/2, π/2, π/2   
NA   
Lattice C/A Ratio
1.57   
18
Not Available   
Mechanical Properties
Density
  
  
Density At Room Temperature
1.85 g/cm3   
99+
19.82 g/cm3   
13
Density When Liquid (at m.p.)
1.69 g/cm3   
99+
16.63 g/cm3   
8
Tensile Strength
Not Available   
Not Available   
Viscosity
Not Available   
Not Available   
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)   
19
0.00 (Pa)   
26
Vapor Pressure at 2000 K
Not Available   
2.20 (Pa)   
12
Elasticity properties
  
  
Shear Modulus
132.00 GPa   
7
43.00 GPa   
18
Bulk Modulus
130.00 GPa   
13
Not Available   
Young's Modulus
287.00 GPa   
7
96.00 GPa   
21
Poisson Ratio
0.03   
35
0.21   
32
Other Mechanical Properties
NA   
Ductile, Malleable   
Magnetic Properties
Magnetic Characteristics
  
  
Specific Gravity
1.85   
99+
19.84   
7
Magnetic Ordering
Diamagnetic   
Paramagnetic   
Electrical Properties
  
  
Electrical Property
Semiconductor   
Poor Conductor   
Resistivity
36.00 nΩ·m   
99+
1.46 nΩ·m   
99+
Electrical Conductivity
0.31 106/cm Ω   
5
0.01 106/cm Ω   
99+
Electron Affinity
0.00 kJ/mol   
40
Not Available   
Thermal Properties
Specific Heat
1.82 J/(kg K)   
2
0.13 J/(kg K)   
39
Molar Heat Capacity
16.44 J/mol·K   
99+
35.50 J/mol·K   
3
Thermal Conductivity
200.00 W/m·K   
6
6.74 W/m·K   
99+
Critical Temperature
Not Available   
Not Available   
Thermal Expansion
11.30 µm/(m·K)   
34
46.70 µm/(m·K)   
6
Enthalpy
  
  
Enthalpy of Vaporization
294.70 kJ/mol   
30
344.00 kJ/mol   
25
Enthalpy of Fusion
11.72 kJ/mol   
30
2.82 kJ/mol   
99+
Enthalpy of Atomization
326.40 kJ/mol   
30
360.00 kJ/mol   
26
Standard Molar Entropy
9.50 J/mol.K   
99+
Not Available   
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