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Atomic Structure of Lutetium and Radium


Atomic Structure of Radium and Lutetium


Atomic Properties

Atomic Number
71   
99+
88   
30

Electron Configuration
[Xe] 6s2 4f14 5d1   
[Rn] 7s2   

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

Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
BCC-Crystal-Structure-.jpg#100   

Atom
  
  

Number of Protons
71   
99+
88   
30

Number of Neutrons
104   
30
138   
16

Number of Electrons
71   
99+
88   
30

Radius of an Atom
  
  

Atomic Radius
174.00 pm   
20
Not Available   

Covalent Radius
187.00 pm   
20
221.00 pm   
3

Van der Waals Radius
221.00 pm   
22
283.00 pm   
4

Atomic Weight
174.97 amu   
40
226.00 amu   
26

Atomic Volume
17.78 cm3/mol   
30
45.20 cm3/mol   
4

Adjacent Atomic Numbers
  
  

Previous Element
Ytterbium
  
Francium
  

Next Element
Hafnium
  
Actinium
  

Valence Electron Potential
50.90 (-eV)   
26
20.10 (-eV)   
99+

Lattice Constant
350.31 pm   
99+
514.80 pm   
13

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

Lattice C/A Ratio
1.59   
10
Not Available   

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