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Atomic Structure of Francium and Roentgenium


Atomic Structure of Roentgenium and Francium


Atomic Properties

Atomic Number
87   
31
111   
7

Electron Configuration
[Rn] 7s1   
[Rn] 5f14 6d9 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
87   
31
111   
7

Number of Neutrons
136   
17
161   
3

Number of Electrons
87   
31
111   
7

Radius of an Atom
  
  

Covalent Radius
260.00 pm   
1
Not Available   

Van der Waals Radius
348.00 pm   
1
Not Available   

Atomic Weight
223.00 amu   
27
281.00 amu   
6

Atomic Volume
Not Available   
Not Available   

Adjacent Atomic Numbers
  
  

Previous Element
Polonium
  

Next Element
Radium
  

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

Lattice Constant
Not Available   
Not Available   

Lattice Angles
NA   
NA   

Lattice C/A Ratio
Not Available   
Not Available   

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