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Atomic Structure of Einsteinium and Calcium


Atomic Structure of Calcium and Einsteinium


Atomic Properties

Atomic Number
99   
19
20   
99+

Electron Configuration
[Rn] 5f11 7s2   
[Ar] 4s2   

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

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

Atom
  
  

Number of Protons
99   
19
20   
99+

Number of Neutrons
153   
9
20   
99+

Number of Electrons
99   
19
20   
99+

Radius of an Atom
  
  

Atomic Radius
186.00 pm   
9
197.00 pm   
6

Covalent Radius
Not Available   
176.00 pm   
22

Van der Waals Radius
Not Available   
231.00 pm   
19

Atomic Weight
252.00 amu   
16
40.08 amu   
99+

Atomic Volume
Not Available   
29.90 cm3/mol   
7

Adjacent Atomic Numbers
  
  

Previous Element
Potassium
  

Next Element
Fermium
  
Scandium
  

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

Lattice Constant
Not Available   
558.84 pm   
9

Lattice Angles
NA   
π/2, π/2, π/2   

Lattice C/A Ratio
Not Available   
Not Available   

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