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Atomic Structure of Francium and Terbium

Francium
Terbium
Atomic Structure of Terbium and Francium


Atomic Properties
Atomic Number
87   
31
65   
99+
Electron Configuration
[Rn] 7s1   
[Xe] 4f9 6s2   
Crystal Structure
Body Centered Cubic (BCC)   
Hexagonal Close Packed (HCP)   
Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
HCP-Crystal-Structure-of-Terbium.jpg#100   
Atom
  
  
Number of Protons
87   
31
65   
99+
Number of Neutrons
136   
17
94   
36
Number of Electrons
87   
31
65   
99+
Radius of an Atom
  
  
Atomic Radius
Not Available   
177.00 pm   
17
Covalent Radius
260.00 pm   
1
194.00 pm   
16
Van der Waals Radius
348.00 pm   
1
221.00 pm   
22
Atomic Weight
223.00 amu   
27
158.93 amu   
99+
Atomic Volume
Not Available   
19.20 cm3/mol   
22
Adjacent Atomic Numbers
  
  
Previous Element
Polonium
  
Gadolinium
  
Next Element
Radium
  
Dysprosium
  
Valence Electron Potential
8.00 (-eV)   
99+
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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