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Atomic Structure of Terbium and Einsteinium


Atomic Structure of Einsteinium and Terbium


Atomic Properties

Atomic Number
65   
99+
99   
19

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

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

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

Atom
  
  

Number of Protons
65   
99+
99   
19

Number of Neutrons
94   
36
153   
9

Number of Electrons
65   
99+
99   
19

Radius of an Atom
  
  

Atomic Radius
177.00 pm   
17
186.00 pm   
9

Covalent Radius
194.00 pm   
16
Not Available   

Van der Waals Radius
221.00 pm   
22
Not Available   

Atomic Weight
158.93 amu   
99+
252.00 amu   
16

Atomic Volume
19.20 cm3/mol   
22
Not Available   

Adjacent Atomic Numbers
  
  

Previous Element
Gadolinium
  

Next Element
Dysprosium
  
Fermium
  

Valence Electron Potential
46.80 (-eV)   
33
Not Available   

Lattice Constant
360.10 pm   
36
Not Available   

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

Lattice C/A Ratio
1.58   
13
Not Available   

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