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Atomic Structure of Terbium and Francium


Atomic Structure of Francium and Terbium


Atomic Properties

Atomic Number
65   
99+
87   
31

Electron Configuration
[Xe] 4f9 6s2   
[Rn] 7s1   

Crystal Structure
Hexagonal Close Packed (HCP)   
Body Centered Cubic (BCC)   

Crystal Lattice
HCP-Crystal-Structure-of-Terbium.jpg#100   
BCC-Crystal-Structure-.jpg#100   

Atom
  
  

Number of Protons
65   
99+
87   
31

Number of Neutrons
94   
36
136   
17

Number of Electrons
65   
99+
87   
31

Radius of an Atom
  
  

Atomic Radius
177.00 pm   
17
Not Available   

Covalent Radius
194.00 pm   
16
260.00 pm   
1

Van der Waals Radius
221.00 pm   
22
348.00 pm   
1

Atomic Weight
158.93 amu   
99+
223.00 amu   
27

Atomic Volume
19.20 cm3/mol   
22
Not Available   

Adjacent Atomic Numbers
  
  

Previous Element
Gadolinium
  
Polonium
  

Next Element
Dysprosium
  
Radium
  

Valence Electron Potential
46.80 (-eV)   
33
8.00 (-eV)   
99+

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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