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Seaborgium vs Radium

Seaborgium
Radium
Radium vs Seaborgium


Periodic Table
Symbol
Sg  
Ra  
Group Number
6  
12
2  
16
Period Number
7  
7  
Block
d block  
s block  
Element Family
Transition Metal  
Alkaline Earth  
CAS Number
54038812  
9
7440144  
99+
Space Group Name
-  
Im_ 3m  
Space Group Number
166.00  
9
229.00  
2
Facts
Interesting Facts
  • 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.
  
  • Radium metal is the heaviest metal of Alkaline earth metals column.
  • Radium metal is highly radioactive and does not have any stable isotopes.
  
Sources
Synthetically Produced  
Mining, Ores of metals  
History
  
  
Who Discovered
Lawrence Berkeley National Laboratory  
-  
Discovery
In 1974  
In 1898  
Abundance
  
  
Abundance In Universe
0.00 %  
40
0.00 %  
40
Abundance In Sun
-  
0.00 %  
26
Abundance In Meteorites
-  
-  
Abundance In Earth's Crust
-  
0.00 %  
99+
Abundance In Oceans
-  
0.00 %  
99+
Abundance In Humans
-  
0.00 %  
23
Uses
Uses & Benefits
  • Currently known uses of Seaborgium metal are limited to research purpose only.
  
  • It is a highly radioactive metal; and sometime Radium-223 is used to treat prostate cancer.
  • It is used in luminous paints.
  
Industrial Uses
-  
-  
Medical Uses
-  
Pharmaceutical Industry  
Other Uses
Research Purposes  
-  
Biological Properties
  
  
Toxicity
-  
Highly Toxic  
Present in Human Body
No  
No  
In Blood
0.00 Blood/mg dm-3  
27
0.00 Blood/mg dm-3  
34
In Bone
0.00 p.p.m.  
99+
0.00 p.p.m.  
99+
Physical
Melting Point
-  
700.00 °C  
99+
Boiling Point
0.00 °C  
99+
1,737.00 °C  
99+
Appearance
  
  
Physical State
Solid  
Solid  
Color
-  
Silvery White  
Luster
Unknown Luster  
Metallic  
Hardness
  
  
Mohs Hardness
6.00  
6
1.00  
22
Brinell Hardness
400.00 MPa  
34
700.00 MPa  
17
Vickers Hardness
520.00 MPa  
33
140.00 MPa  
99+
Speed of Sound
3,200.00 m/s  
35
3,150.00 m/s  
37
Optical Properties
  
  
Refractive Index
1.30  
99+
1.00  
99+
Reflectivity
68.00 %  
15
83.00 %  
6
Allotropes
No  
No  
α Allotropes
-  
-  
β Allotropes
-  
-  
γ Allotropes
-  
-  
Chemical
Chemical Formula
Sg  
Ra  
Isotopes
  
  
Known Isotopes
9  
29
33  
6
Electronegativity
  
  
Pauling Electronegativity
0.00  
99+
0.90  
99+
Sanderson Electronegativity
1.90  
13
0.89  
99+
Allred Rochow Electronegativity
1.30  
25
0.97  
39
Mulliken-Jaffe Electronegativity
1.30  
33
0.92  
99+
Allen Electronegativity
1.90  
8
0.89  
99+
Electropositivity
  
  
Pauling Electropositivity
2.20  
39
3.10  
5
Ionization Energies
  
  
1st Energy Level
757.40 kJ/mol  
21
509.30 kJ/mol  
99+
2nd Energy Level
1,732.90 kJ/mol  
29
979.00 kJ/mol  
99+
3rd Energy Level
2,483.50 kJ/mol  
99+
509.30 kJ/mol  
99+
4th Energy Level
3,415.60 kJ/mol  
99+
5,093.00 kJ/mol  
27
5th Energy Level
4,561.80 kJ/mol  
99+
5,090.00 kJ/mol  
99+
6th Energy Level
5,715.80 kJ/mol  
99+
5,090.00 kJ/mol  
99+
7th Energy level
5,700.00 kJ/mol  
99+
5,090.00 kJ/mol  
99+
8th Energy Level
5,700.00 kJ/mol  
99+
5,090.00 kJ/mol  
99+
9th Energy Level
5,710.00 kJ/mol  
99+
5,090.00 kJ/mol  
99+
10th Energy Level
6,270.00 kJ/mol  
99+
5,090.00 kJ/mol  
99+
11th Energy Level
6,600.00 kJ/mol  
39
5,090.00 kJ/mol  
99+
12th Energy Level
971.00 kJ/mol  
99+
5,090.00 kJ/mol  
99+
13th Energy Level
5,700.00 kJ/mol  
99+
5,090.00 kJ/mol  
99+
14th Energy Level
5,700.00 kJ/mol  
99+
5,090.00 kJ/mol  
99+
15th Energy Level
54,000.00 kJ/mol  
99+
50,900.00 kJ/mol  
99+
16th Energy Level
64,000.00 kJ/mol  
27
50,900.00 kJ/mol  
99+
17th Energy Level
579.80 kJ/mol  
99+
509.30 kJ/mol  
99+
18th Energy Level
3,300.00 kJ/mol  
99+
5,090.00 kJ/mol  
99+
19th Energy Level
579.80 kJ/mol  
99+
509.30 kJ/mol  
99+
20th Energy Level
579.00 kJ/mol  
99+
509.00 kJ/mol  
99+
21st Energy Level
6,270.00 kJ/mol  
14
509.30 kJ/mol  
99+
22nd Energy Level
573.00 kJ/mol  
99+
509.00 kJ/mol  
99+
23rd Energy Level
5,790.00 kJ/mol  
22
509.30 kJ/mol  
99+
24th Energy Level
971.00 kJ/mol  
4
509.30 kJ/mol  
99+
25th Energy Level
0.00 kJ/mol  
99+
509.00 kJ/mol  
99+
26th Energy Level
579.10 kJ/mol  
99+
509.30 kJ/mol  
99+
27th Energy Level
870.00 kJ/mol  
7
509.30 kJ/mol  
99+
28th Energy Level
870.00 kJ/mol  
10
509.30 kJ/mol  
99+
29th Energy Level
761.90 kJ/mol  
21
509.30 kJ/mol  
99+
30th Energy Level
0.00 kJ/mol  
99+
509.00 kJ/mol  
99+
Electrochemical Equivalent
3.20 g/amp-hr  
14
4.22 g/amp-hr  
6
Electron Work Function
6.00 eV  
1
4.30 eV  
25
Other Chemical Properties
-  
Ionization, Radioactive Isotopes, Radioactivity  
Atomic
Atomic Number
106  
12
88  
30
Electron Configuration
[Rn] 5f14 6d2 7s2  
[Rn] 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
106  
12
88  
30
Number of Neutrons
157  
8
138  
17
Number of Electrons
106  
12
88  
30
Radius of an Atom
  
  
Atomic Radius
132.00 pm  
99+
215.00 pm  
6
Covalent Radius
143.00 pm  
99+
221.00 pm  
3
Van der Waals Radius
230.00 pm  
24
283.00 pm  
5
Atomic Weight
269.00 amu  
9
226.00 amu  
26
Atomic Volume
35.00 cm3/mol  
8
45.20 cm3/mol  
5
Adjacent Atomic Numbers
  
  
Previous Element
Dubnium
  
Francium
  
Next Element
Bohrium
  
Actinium
  
Valence Electron Potential
6.10 (-eV)  
99+
20.10 (-eV)  
99+
Lattice Constant
-  
514.80 pm  
15
Lattice Angles
-  
π/2, π/2, π/2  
Lattice C/A Ratio
1.36  
99+
1.57  
99+
Mechanical
Density
  
  
Density At Room Temperature
35.00 g/cm3  
4
5.50 g/cm3  
99+
Density When Liquid (at m.p.)
35.00 g/cm3  
4
5.50 g/cm3  
99+
Tensile Strength
30.00 MPa  
99+
40.00 MPa  
99+
Viscosity
0.00  
25
0.00  
2
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)  
37
0.00 (Pa)  
16
Vapor Pressure at 2000 K
0.00 (Pa)  
99+
0.00 (Pa)  
33
Elasticity properties
  
  
Shear Modulus
30.00 GPa  
27
25.00 GPa  
38
Bulk Modulus
0.00 GPa  
99+
43.00 GPa  
33
Young's Modulus
12.60 GPa  
99+
83.00 GPa  
25
Poisson Ratio
0.25  
24
0.31  
13
Other Mechanical Properties
-  
-  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
35.00  
6
5.00  
99+
Magnetic Ordering
-  
Nonmagnetic  
Permeability
0.00 H/m  
7
0.00 H/m  
9
Susceptibility
0.00  
24
0.00  
18
Electrical Properties
  
  
Electrical Property
-  
-  
Resistivity
0.38 nΩ·m  
99+
100.00 nΩ·m  
31
Electrical Conductivity
0.00 106/cm Ω  
99+
0.00 106/cm Ω  
99+
Electron Affinity
50.00 kJ/mol  
26
0.90 kJ/mol  
99+
Thermal
Specific Heat
0.27 J/(kg K)  
19
0.12 J/(kg K)  
99+
Molar Heat Capacity
35.00 J/mol·K  
5
20.05 J/mol·K  
99+
Thermal Conductivity
0.14 W/m·K  
99+
18.60 W/m·K  
99+
Critical Temperature
1,200.00 K  
99+
973.00 K  
99+
Thermal Expansion
11.00 µm/(m·K)  
99+
8.50 µm/(m·K)  
99+
Enthalpy
  
  
Enthalpy of Vaporization
585.00 kJ/mol  
10
113.00 kJ/mol  
99+
Enthalpy of Fusion
-  
8.60 kJ/mol  
99+
Enthalpy of Atomization
650.00 kJ/mol  
8
163.00 kJ/mol  
99+
Standard Molar Entropy
42.70 J/mol.K  
99+
71.00 J/mol.K  
14
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