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Atomic Structure of Einsteinium and Terbium


Atomic Structure of Terbium and Einsteinium


Atomic Properties

Atomic Number
99   
19
65   
99+

Electron Configuration
[Rn] 5f11 7s2   
[Xe] 4f9 6s2   

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

Crystal Lattice
FCC-Crystal-Structure-of-Einsteinium.jpg#100   
HCP-Crystal-Structure-of-Terbium.jpg#100   

Atom
  
  

Number of Protons
99   
19
65   
99+

Number of Neutrons
153   
9
94   
36

Number of Electrons
99   
19
65   
99+

Radius of an Atom
  
  

Atomic Radius
186.00 pm   
9
177.00 pm   
17

Covalent Radius
Not Available   
194.00 pm   
16

Van der Waals Radius
Not Available   
221.00 pm   
22

Atomic Weight
252.00 amu   
16
158.93 amu   
99+

Atomic Volume
Not Available   
19.20 cm3/mol   
22

Adjacent Atomic Numbers
  
  

Previous Element
Gadolinium
  

Next Element
Fermium
  
Dysprosium
  

Valence Electron Potential
Not Available   
46.80 (-eV)   
33

Lattice Constant
Not Available   
360.10 pm   
36

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

Lattice C/A Ratio
Not Available   
1.58   
13

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