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Atomic Structure of Einsteinium and Cesium


Atomic Structure of Cesium and Einsteinium


Atomic Properties

Atomic Number
99   
19
55   
99+

Electron Configuration
[Rn] 5f11 7s2   
[Xe] 6s1   

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
55   
99+

Number of Neutrons
153   
9
78   
99+

Number of Electrons
99   
19
55   
99+

Radius of an Atom
  
  

Atomic Radius
186.00 pm   
9
265.00 pm   
1

Covalent Radius
Not Available   
244.00 pm   
2

Van der Waals Radius
Not Available   
343.00 pm   
2

Atomic Weight
252.00 amu   
16
132.91 amu   
99+

Atomic Volume
Not Available   
71.07 cm3/mol   
1

Adjacent Atomic Numbers
  
  

Previous Element
Tin
  

Next Element
Fermium
  
Barium
  

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

Lattice Constant
Not Available   
614.10 pm   
5

Lattice Angles
NA   
π/2, π/2, π/2   

Lattice C/A Ratio
Not Available   
Not Available   

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