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Hassium vs Radium

Hassium
Radium
Radium vs Hassium


Periodic Table
Symbol
Hs  
Ra  
Group Number
8  
10
2  
16
Period Number
7  
7  
Block
d block  
s block  
Element Family
Transition Metal  
Alkaline Earth  
CAS Number
54037579  
11
7440144  
99+
Space Group Name
Not Available  
Im_ 3m  
Space Group Number
Not Available  
229.00  
1
Facts
Interesting Facts
  • Hassium metals rate of decay is very high.
  • Hassium metals 1st sample was synthesized through a nuclear reaction.
  
  • 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
Gesellschaft für Schwerionenforschung  
Not Available  
Discovery
In 1984  
In 1898  
Abundance
  
  
Abundance In Earth's Crust
Not Available  
0.00 %  
99+
Abundance In Oceans
Not Available  
0.00 %  
99+
Abundance In Humans
Not Available  
0.00 %  
20
Uses
Uses & Benefits
  • Currently known uses of Hassium 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
NA  
NA  
Medical Uses
NA  
Pharmaceutical Industry  
Other Uses
Research Purposes  
NA  
Biological Properties
  
  
Toxicity
Unknown  
Highly Toxic  
Present in Human Body
No  
No  
In Blood
0.00 Blood/mg dm-3  
37
Not Available  
In Bone
0.00 p.p.m.  
36
Not Available  
Physical Properties
Melting Point
Not Available  
700.00 °C  
99+
Boiling Point
Not Available  
1,737.00 °C  
99+
Appearance
  
  
Physical State
Solid  
Solid  
Color
Silver  
Silvery White  
Luster
NA  
Metallic  
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
Hs  
Ra  
Isotopes
  
  
Known Isotopes
7  
31
33  
6
Electronegativity
  
  
Pauling Electronegativity
Not Available  
0.90  
99+
Allred Rochow Electronegativity
Not Available  
0.97  
38
Mulliken-Jaffe Electronegativity
Not Available  
0.92  
20
Allen Electronegativity
Not Available  
0.89  
99+
Electropositivity
  
  
Pauling Electropositivity
Not Available  
3.10  
5
Ionization Energies
  
  
1st Energy Level
733.30 kJ/mol  
26
509.30 kJ/mol  
99+
2nd Energy Level
1,756.00 kJ/mol  
24
979.00 kJ/mol  
99+
3rd Energy Level
2,827.00 kJ/mol  
36
Not Available  
4th Energy Level
3,637.50 kJ/mol  
99+
Not Available  
5th Energy Level
4,940.00 kJ/mol  
34
Not Available  
6th Energy Level
6,175.10 kJ/mol  
23
Not Available  
7th Energy level
7,535.50 kJ/mol  
21
Not Available  
8th Energy Level
8,857.40 kJ/mol  
20
Not Available  
Electrochemical Equivalent
Not Available  
4.22 g/amp-hr  
6
Electron Work Function
Not Available  
Not Available  
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity  
Ionization, Radioactive Isotopes, Radioactivity  
Atomic Properties
Atomic Number
108  
10
88  
30
Electron Configuration
[Rn] 5f14 6d6 7s2  
[Rn] 7s2  
Crystal Structure
Hexagonal Close Packed (HCP)  
Body Centered Cubic (BCC)  
Crystal Lattice
BCC-Crystal-Structure-.jpg#100  
BCC-Crystal-Structure-.jpg#100  
Atom
  
  
Number of Protons
108  
10
88  
30
Number of Neutrons
158  
6
138  
16
Number of Electrons
108  
10
88  
30
Radius of an Atom
  
  
Atomic Radius
126.00 pm  
99+
Not Available  
Covalent Radius
134.00 pm  
99+
221.00 pm  
3
Van der Waals Radius
Not Available  
283.00 pm  
4
Atomic Weight
269.00 amu  
9
226.00 amu  
26
Atomic Volume
Not Available  
45.20 cm3/mol  
4
Adjacent Atomic Numbers
  
  
Previous Element
Bohrium
  
Francium
  
Next Element
Meitnerium
  
Actinium
  
Valence Electron Potential
Not Available  
20.10 (-eV)  
99+
Lattice Constant
Not Available  
514.80 pm  
13
Lattice Angles
NA  
π/2, π/2, π/2  
Lattice C/A Ratio
Not Available  
Not Available  
Mechanical Properties
Density
  
  
Density At Room Temperature
40.70 g/cm3  
1
5.50 g/cm3  
99+
Tensile Strength
Not Available  
Not Available  
Viscosity
Not Available  
Not Available  
Vapor Pressure
  
  
Elasticity properties
  
  
Poisson Ratio
Not Available  
Not Available  
Other Mechanical Properties
Unknown  
NA  
Magnetic Properties
Magnetic Characteristics
  
  
Specific Gravity
Not Available  
5.00  
99+
Magnetic Ordering
Unknown  
Nonmagnetic  
Electrical Properties
  
  
Electrical Property
Unknown  
NA  
Resistivity
Not Available  
100.00 nΩ·m  
31
Thermal Properties
Specific Heat
Not Available  
0.12 J/(kg K)  
40
Molar Heat Capacity
Not Available  
Not Available  
Thermal Conductivity
Not Available  
18.60 W/m·K  
99+
Critical Temperature
Not Available  
Not Available  
Thermal Expansion
Not Available  
Not Available  
Enthalpy
  
  
Enthalpy of Atomization
Not Available  
163.00 kJ/mol  
99+
Standard Molar Entropy
Not Available  
71.00 J/mol.K  
14
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