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Atomic Structure of Einsteinium and Francium


Atomic Structure of Francium and Einsteinium


Atomic Properties

Atomic Number
99   
19
87   
31

Electron Configuration
[Rn] 5f11 7s2   
[Rn] 7s1   

Crystal Structure
Face Centered Cubic (FCC)   
Body Centered Cubic (BCC)   

Crystal Lattice
FCC-Crystal-Structure-of-Einsteinium.jpg#100   
BCC-Crystal-Structure-.jpg#100   

Atom
  
  

Number of Protons
99   
19
87   
31

Number of Neutrons
153   
9
136   
17

Number of Electrons
99   
19
87   
31

Radius of an Atom
  
  

Atomic Radius
186.00 pm   
9
Not Available   

Covalent Radius
Not Available   
260.00 pm   
1

Van der Waals Radius
Not Available   
348.00 pm   
1

Atomic Weight
252.00 amu   
16
223.00 amu   
27

Atomic Volume
Not Available   
Not Available   

Adjacent Atomic Numbers
  
  

Previous Element
Polonium
Polonium
  

Next Element
Fermium
Fermium
  
Radium
Radium
  

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

Lattice Constant
Not Available   
Not Available   

Lattice Angles
NA   
NA   

Lattice C/A Ratio
Not Available   
Not Available   

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