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Atomic Structure of Radium and Terbium

Radium
Terbium
Atomic Structure of Terbium and Radium


Atomic Properties
Atomic Number
88   
30
65   
99+
Electron Configuration
[Rn] 7s2   
[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
88   
30
65   
99+
Number of Neutrons
138   
16
94   
36
Number of Electrons
88   
30
65   
99+
Radius of an Atom
  
  
Atomic Radius
Not Available   
177.00 pm   
17
Covalent Radius
221.00 pm   
3
194.00 pm   
16
Van der Waals Radius
283.00 pm   
4
221.00 pm   
22
Atomic Weight
226.00 amu   
26
158.93 amu   
99+
Atomic Volume
45.20 cm3/mol   
4
19.20 cm3/mol   
22
Adjacent Atomic Numbers
  
  
Previous Element
Francium
  
Gadolinium
  
Next Element
Actinium
  
Dysprosium
  
Valence Electron Potential
20.10 (-eV)   
99+
46.80 (-eV)   
33
Lattice Constant
514.80 pm   
13
360.10 pm   
36
Lattice Angles
π/2, π/2, π/2   
π/2, π/2, 2 π/3   
Lattice C/A Ratio
Not Available   
1.58   
13
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