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Atomic Structure of Cesium and Lutetium


Atomic Structure of Lutetium and Cesium


Atomic Properties

Atomic Number
55   
99+
71   
99+

Electron Configuration
[Xe] 6s1   
[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
55   
99+
71   
99+

Number of Neutrons
78   
99+
104   
30

Number of Electrons
55   
99+
71   
99+

Radius of an Atom
  
  

Atomic Radius
265.00 pm   
1
174.00 pm   
20

Covalent Radius
244.00 pm   
2
187.00 pm   
20

Van der Waals Radius
343.00 pm   
2
221.00 pm   
22

Atomic Weight
132.91 amu   
99+
174.97 amu   
40

Atomic Volume
71.07 cm3/mol   
1
17.78 cm3/mol   
30

Adjacent Atomic Numbers
  
  

Previous Element
Tin
  
Ytterbium
  

Next Element
Barium
  
Hafnium
  

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

Lattice Constant
614.10 pm   
5
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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