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Beryllium vs Seaborgium


Seaborgium vs Beryllium


Periodic Table

Symbol
Be   
Sg   

Group Number
2   
16
6   
12

Period Number
2   
7   

Block
s block   
d block   

Element Family
Alkaline Earth   
Transition Metal   

CAS Number
7440417   
99+
54038812   
9

Space Group Name
P63/mmc   
Not Available   

Space Group Number
194.00   
5
Not Available   

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.
  
  • Seaborgium most stable isotope is Sg and it has 2.1 min of half- life.
  • And other isotopes of Seaborgium have half-lives as short as 3 ms.
  

Sources
Earth's crust, Found in Minerals, Mining, Ores of metals, Ores of Minerals   
Synthetically Produced   

History
  
  

Who Discovered
Louis Nicolas Vauquelin   
Lawrence Berkeley National Laboratory   

Discovery
In 1797   
In 1974   

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.
  
  • Currently known uses of Seaborgium metal are limited to research purpose only.
  

Industrial Uses
Aerospace Industry, Ammunition Industry, Automobile Industry, Electrical Industry, Electronic Industry   
NA   

Medical Uses
NA   
NA   

Other Uses
Alloys   
Research Purposes   

Biological Properties
  
  

Toxicity
Toxic   
Unknown   

Present in Human Body
Yes   
No   

In Blood
0.00 Blood/mg dm-3   
32
Not Available   

In Bone
0.00 p.p.m.   
32
Not Available   

Physical Properties

Melting Point
1,278.00 °C   
36
Not Available   

Boiling Point
2,970.00 °C   
32
Not Available   

Appearance
  
  

Physical State
Solid   
Solid   

Color
White Gray   
Unknown   

Luster
Metallic   
Unknown Luster   

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
Not Available   

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   
Sg   

Isotopes
  
  

Known Isotopes
9   
29
9   
29

Electronegativity
  
  

Pauling Electronegativity
1.57   
24
Not Available   

Sanderson Electronegativity
1.81   
12
Not Available   

Allred Rochow Electronegativity
1.47   
14
Not Available   

Mulliken-Jaffe Electronegativity
1.54   
12
Not Available   

Allen Electronegativity
1.58   
23
Not Available   

Electropositivity
  
  

Pauling Electropositivity
2.43   
30
Not Available   

Ionization Energies
  
  

1st Energy Level
899.50 kJ/mol   
7
757.40 kJ/mol   
21

2nd Energy Level
1,757.10 kJ/mol   
23
1,732.90 kJ/mol   
28

3rd Energy Level
14,848.70 kJ/mol   
2
2,483.50 kJ/mol   
99+

4th Energy Level
21,006.60 kJ/mol   
2
3,415.60 kJ/mol   
99+

5th Energy Level
Not Available   
4,561.80 kJ/mol   
38

6th Energy Level
Not Available   
5,715.80 kJ/mol   
25

Electrochemical Equivalent
0.17 g/amp-hr   
99+
Not Available   

Electron Work Function
4.98 eV   
6
Not Available   

Other Chemical Properties
Corrosion, Ionization, Radioactive Isotopes   
NA   

Atomic Properties

Atomic Number
4   
99+
106   
12

Electron Configuration
[He] 2s2   
[Rn] 5f14 6d2 7s2   

Crystal Structure
Hexagonal Close Packed (HCP)   
Body Centered Cubic (BCC)   

Crystal Lattice
HCP-Crystal-Structure-of-Beryllium.jpg#100   
BCC-Crystal-Structure-.jpg#100   

Atom
  
  

Number of Protons
4   
99+
106   
12

Number of Neutrons
5   
99+
157   
7

Number of Electrons
4   
99+
106   
12

Radius of an Atom
  
  

Atomic Radius
112.00 pm   
99+
132.00 pm   
99+

Covalent Radius
96.00 pm   
99+
143.00 pm   
99+

Van der Waals Radius
153.00 pm   
99+
Not Available   

Atomic Weight
9.01 amu   
99+
269.00 amu   
9

Atomic Volume
5.00 cm3/mol   
99+
Not Available   

Adjacent Atomic Numbers
  
  

Previous Element
Lithium
  
Dubnium
  

Next Element
Sodium
  
Bohrium
  

Valence Electron Potential
82.00 (-eV)   
15
Not Available   

Lattice Constant
228.58 pm   
99+
Not Available   

Lattice Angles
π/2, π/2, π/2   
Unknown   

Lattice C/A Ratio
1.57   
18
Not Available   

Mechanical Properties

Density
  
  

Density At Room Temperature
1.85 g/cm3   
99+
35.00 g/cm3   
4

Density When Liquid (at m.p.)
1.69 g/cm3   
99+
Not Available   

Tensile Strength
Not Available   
Not Available   

Viscosity
Not Available   
Not Available   

Vapor Pressure
  
  

Vapor Pressure at 1000 K
0.00 (Pa)   
19
Not Available   

Elasticity properties
  
  

Shear Modulus
132.00 GPa   
7
Not Available   

Bulk Modulus
130.00 GPa   
13
Not Available   

Young's Modulus
287.00 GPa   
7
Not Available   

Poisson Ratio
0.03   
35
Not Available   

Other Mechanical Properties
NA   
Unknown   

Magnetic Properties

Magnetic Characteristics
  
  

Specific Gravity
1.85   
99+
Not Available   

Magnetic Ordering
Diamagnetic   
Unknown   

Electrical Properties
  
  

Electrical Property
Semiconductor   
Unknown   

Resistivity
36.00 nΩ·m   
99+
Not Available   

Electrical Conductivity
0.31 106/cm Ω   
5
Not Available   

Electron Affinity
0.00 kJ/mol   
40
Not Available   

Thermal Properties

Specific Heat
1.82 J/(kg K)   
2
Not Available   

Molar Heat Capacity
16.44 J/mol·K   
99+
Not Available   

Thermal Conductivity
200.00 W/m·K   
6
Not Available   

Critical Temperature
Not Available   
Not Available   

Thermal Expansion
11.30 µm/(m·K)   
34
Not Available   

Enthalpy
  
  

Enthalpy of Vaporization
294.70 kJ/mol   
30
Not Available   

Enthalpy of Fusion
11.72 kJ/mol   
30
Not Available   

Enthalpy of Atomization
326.40 kJ/mol   
30
Not Available   

Standard Molar Entropy
9.50 J/mol.K   
99+
Not Available   

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