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Radium vs Seaborgium

Radium
Seaborgium
Seaborgium vs Radium


Periodic Table
Symbol
Ra  
Sg  
Group Number
2  
16
6  
12
Period Number
7  
7  
Block
s block  
d block  
Element Family
Alkaline Earth  
Transition Metal  
CAS Number
7440144  
99+
54038812  
9
Space Group Name
Im_ 3m  
Not Available  
Space Group Number
229.00  
1
Not Available  
Facts
Interesting Facts
  • Radium metal is the heaviest metal of Alkaline earth metals column.
  • Radium metal is highly radioactive and does not have any stable isotopes.
  
  • 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
Mining, Ores of metals  
Synthetically Produced  
History
  
  
Who Discovered
Not Available  
Lawrence Berkeley National Laboratory  
Discovery
In 1898  
In 1974  
Abundance
  
  
Abundance In Earth's Crust
0.00 %  
99+
Not Available  
Abundance In Oceans
0.00 %  
99+
Not Available  
Abundance In Humans
0.00 %  
20
Not Available  
Uses
Uses & Benefits
  • It is a highly radioactive metal; and sometime Radium-223 is used to treat prostate cancer.
  • It is used in luminous paints.
  
  • Currently known uses of Seaborgium metal are limited to research purpose only.
  
Industrial Uses
NA  
NA  
Medical Uses
Pharmaceutical Industry  
NA  
Other Uses
NA  
Research Purposes  
Biological Properties
  
  
Toxicity
Highly Toxic  
Unknown  
Present in Human Body
No  
No  
Physical Properties
Melting Point
700.00 °C  
99+
Not Available  
Boiling Point
1,737.00 °C  
99+
Not Available  
Appearance
  
  
Physical State
Solid  
Solid  
Color
Silvery White  
Unknown  
Luster
Metallic  
Unknown Luster  
Hardness
  
  
Speed of Sound
Not Available  
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
Ra  
Sg  
Isotopes
  
  
Known Isotopes
33  
6
9  
29
Electronegativity
  
  
Pauling Electronegativity
0.90  
99+
Not Available  
Allred Rochow Electronegativity
0.97  
38
Not Available  
Mulliken-Jaffe Electronegativity
0.92  
20
Not Available  
Allen Electronegativity
0.89  
99+
Not Available  
Electropositivity
  
  
Pauling Electropositivity
3.10  
5
Not Available  
Ionization Energies
  
  
1st Energy Level
509.30 kJ/mol  
99+
757.40 kJ/mol  
21
2nd Energy Level
979.00 kJ/mol  
99+
1,732.90 kJ/mol  
28
3rd Energy Level
Not Available  
2,483.50 kJ/mol  
99+
4th Energy Level
Not Available  
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
4.22 g/amp-hr  
6
Not Available  
Electron Work Function
Not Available  
Not Available  
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity  
NA  
Atomic Properties
Atomic Number
88  
30
106  
12
Electron Configuration
[Rn] 7s2  
[Rn] 5f14 6d2 7s2  
Crystal Structure
Body Centered Cubic (BCC)  
Body Centered Cubic (BCC)  
Crystal Lattice
BCC-Crystal-Structure-.jpg#100  
BCC-Crystal-Structure-.jpg#100  
Atom
  
  
Number of Protons
88  
30
106  
12
Number of Neutrons
138  
16
157  
7
Number of Electrons
88  
30
106  
12
Radius of an Atom
  
  
Atomic Radius
Not Available  
132.00 pm  
99+
Covalent Radius
221.00 pm  
3
143.00 pm  
99+
Van der Waals Radius
283.00 pm  
4
Not Available  
Atomic Weight
226.00 amu  
26
269.00 amu  
9
Atomic Volume
45.20 cm3/mol  
4
Not Available  
Adjacent Atomic Numbers
  
  
Previous Element
Francium
  
Dubnium
  
Next Element
Actinium
  
Bohrium
  
Valence Electron Potential
20.10 (-eV)  
99+
Not Available  
Lattice Constant
514.80 pm  
13
Not Available  
Lattice Angles
π/2, π/2, π/2  
Unknown  
Lattice C/A Ratio
Not Available  
Not Available  
Mechanical Properties
Density
  
  
Density At Room Temperature
5.50 g/cm3  
99+
35.00 g/cm3  
4
Tensile Strength
Not Available  
Not Available  
Viscosity
Not Available  
Not Available  
Vapor Pressure
  
  
Elasticity properties
  
  
Poisson Ratio
Not Available  
Not Available  
Other Mechanical Properties
NA  
Unknown  
Magnetic Properties
Magnetic Characteristics
  
  
Specific Gravity
5.00  
99+
Not Available  
Magnetic Ordering
Nonmagnetic  
Unknown  
Electrical Properties
  
  
Electrical Property
NA  
Unknown  
Resistivity
100.00 nΩ·m  
31
Not Available  
Thermal Properties
Specific Heat
0.12 J/(kg K)  
40
Not Available  
Molar Heat Capacity
Not Available  
Not Available  
Thermal Conductivity
18.60 W/m·K  
99+
Not Available  
Critical Temperature
Not Available  
Not Available  
Thermal Expansion
Not Available  
Not Available  
Enthalpy
  
  
Enthalpy of Atomization
163.00 kJ/mol  
99+
Not Available  
Standard Molar Entropy
71.00 J/mol.K  
14
Not Available  
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