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Atomic Structure of Radium and Lutetium

Radium
Lutetium
Atomic Structure of Lutetium and Radium


Atomic Properties
Atomic Number
88   
30
71   
99+
Electron Configuration
[Rn] 7s2   
[Xe] 6s2 4f14 5d1   
Crystal Structure
Body Centered Cubic (BCC)   
Hexagonal Close Packed (HCP)   
Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
BCC-Crystal-Structure-.jpg#100   
Atom
  
  
Number of Protons
88   
30
71   
99+
Number of Neutrons
138   
16
104   
30
Number of Electrons
88   
30
71   
99+
Radius of an Atom
  
  
Atomic Radius
Not Available   
174.00 pm   
20
Covalent Radius
221.00 pm   
3
187.00 pm   
20
Van der Waals Radius
283.00 pm   
4
221.00 pm   
22
Atomic Weight
226.00 amu   
26
174.97 amu   
40
Atomic Volume
45.20 cm3/mol   
4
17.78 cm3/mol   
30
Adjacent Atomic Numbers
  
  
Previous Element
Francium
  
Ytterbium
  
Next Element
Actinium
  
Hafnium
  
Valence Electron Potential
20.10 (-eV)   
99+
50.90 (-eV)   
26
Lattice Constant
514.80 pm   
13
350.31 pm   
99+
Lattice Angles
π/2, π/2, π/2   
π/2, π/2, 2 π/3   
Lattice C/A Ratio
Not Available   
1.59   
10
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