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Atomic Structure of Einsteinium and Lutetium


Atomic Structure of Lutetium and Einsteinium


Atomic Properties

Atomic Number
99   
19
71   
99+

Electron Configuration
[Rn] 5f11 7s2   
[Xe] 6s2 4f14 5d1   

Crystal Structure
Face Centered Cubic (FCC)   
Hexagonal Close Packed (HCP)   

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

Atom
  
  

Number of Protons
99   
19
71   
99+

Number of Neutrons
153   
9
104   
30

Number of Electrons
99   
19
71   
99+

Radius of an Atom
  
  

Atomic Radius
186.00 pm   
9
174.00 pm   
20

Covalent Radius
Not Available   
187.00 pm   
20

Van der Waals Radius
Not Available   
221.00 pm   
22

Atomic Weight
252.00 amu   
16
174.97 amu   
40

Atomic Volume
Not Available   
17.78 cm3/mol   
30

Adjacent Atomic Numbers
  
  

Previous Element
Ytterbium
  

Next Element
Fermium
  
Hafnium
  

Valence Electron Potential
Not Available   
50.90 (-eV)   
26

Lattice Constant
Not Available   
350.31 pm   
99+

Lattice Angles
NA   
π/2, π/2, 2 π/3   

Lattice C/A Ratio
Not Available   
1.59   
10

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