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Actinium vs Tennessine


Tennessine vs Actinium


Periodic Table

Symbol
Ac   
Ts   

Group Number
Not Available   
17   
1

Period Number
7   
7   

Block
f block   
p block   

Element Family
Actinide   
Probably Post-​Transition   

CAS Number
7440348   
99+
54101143   
2

Space Group Name
Fm_ 3m   
Not Available   

Space Group Number
225.00   
2
Not Available   

Facts

Interesting Facts
Not Available   
Not Available   

Sources
Obtained by Treating Radium with Neutrons, Ores of metals   
Synthetically Produced   

History
  
  

Who Discovered
Friedrich Oskar Giesel   
Joint Institute for Nuclear Research and Lawrence Livermore National Laboratory   

Discovery
In 1902   
In 2010   

Abundance
  
  

Uses

Uses & Benefits
  • Actinium metal has a great source of alpha rays but it is hardly used outside research purpose.
  
  • Currently known uses of Ununseptium metal are limited to research purpose only.
  

Industrial Uses
NA   
NA   

Medical Uses
NA   
NA   

Other Uses
Alloys, Nuclear Research, Research Purposes   
Research Purposes   

Biological Properties
  
  

Toxicity
Toxic   
Unknown   

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
1,227.00 °C   
38
400.00 °C   
99+

Boiling Point
3,200.00 °C   
26
610.00 °C   
99+

Appearance
  
  

Physical State
Solid   
Solid   

Color
Silvery White   
Unknown   

Luster
NA   
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
Ac   
Ts   

Isotopes
  
  

Known Isotopes
29   
10
0   
35

Electronegativity
  
  

Pauling Electronegativity
1.10   
99+
Not Available   

Allred Rochow Electronegativity
1.00   
36
Not Available   

Electropositivity
  
  

Pauling Electropositivity
2.90   
10
Not Available   

Ionization Energies
  
  

1st Energy Level
499.00 kJ/mol   
99+
742.90 kJ/mol   
23

2nd Energy Level
1,170.00 kJ/mol   
99+
1,785.00 kJ/mol   
22

3rd Energy Level
1,900.00 kJ/mol   
99+
Not Available   

4th Energy Level
4,700.00 kJ/mol   
23
Not Available   

Electrochemical Equivalent
2.82 g/amp-hr   
18
Not Available   

Electron Work Function
Not Available   
Not Available   

Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity, Solubility   
Chemical Stability, Ionization   

Atomic Properties

Atomic Number
89   
29
117   
1

Electron Configuration
[Rn] 6d1 7s2   
[Rn] 5f14 6d10 7s2 7p5   

Crystal Structure
Face Centered Cubic (FCC)   
Not Known   

Crystal Lattice
FCC-Crystal-Structure-of-Actinium.jpg#100   
Unknown-Crystal-Structure-of-Ununseptium.jpg#100   

Atom
  
  

Number of Protons
89   
29
117   
1

Number of Neutrons
138   
16
167   
2

Number of Electrons
89   
29
117   
1

Radius of an Atom
  
  

Atomic Radius
195.00 pm   
7
Not Available   

Atomic Weight
227.00 amu   
25
294.00 amu   
1

Atomic Volume
22.54 cm3/mol   
11
Not Available   

Adjacent Atomic Numbers
  
  

Previous Element
Radium
  
No Previous Element   

Next Element
Thorium
  

Valence Electron Potential
38.60 (-eV)   
99+
Not Available   

Lattice Constant
567.00 pm   
8
Not Available   

Lattice Angles
π/2, π/2, π/2   
NA   

Lattice C/A Ratio
Not Available   
Not Available   

Mechanical Properties

Density
  
  

Density At Room Temperature
10.00 g/cm3   
37
7.10 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
NA   
Unknown   

Magnetic Properties

Magnetic Characteristics
  
  

Specific Gravity
10.07   
28
Not Available   

Magnetic Ordering
Paramagnetic   
Paramagnetic   

Electrical Properties
  
  

Thermal Properties

Specific Heat
0.12 J/(kg K)   
40
Not Available   

Molar Heat Capacity
27.20 J/mol·K   
18
Not Available   

Thermal Conductivity
12.00 W/m·K   
99+
Not Available   

Critical Temperature
Not Available   
Not Available   

Thermal Expansion
Not Available   
Not Available   

Enthalpy
  
  

Enthalpy of Atomization
301.00 kJ/mol   
36
Not Available   

Standard Molar Entropy
56.50 J/mol.K   
25
Not Available   

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