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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
  

Next Element
Fermium
  
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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