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Atomic Structure of Beryllium and Thulium

Beryllium
Thulium
Atomic Structure of Thulium and Beryllium


Atomic Properties
Atomic Number
4   
99+
69   
99+
Electron Configuration
[He] 2s2   
[Xe] 4f13 6s2   
Crystal Structure
Hexagonal Close Packed (HCP)   
Hexagonal Close Packed (HCP)   
Crystal Lattice
HCP-Crystal-Structure-of-Beryllium.jpg#100   
HCP-Crystal-Structure-of-Thulium.jpg#100   
Atom
  
  
Number of Protons
4   
99+
69   
99+
Number of Neutrons
5   
99+
100   
32
Number of Electrons
4   
99+
69   
99+
Radius of an Atom
  
  
Atomic Radius
112.00 pm   
99+
176.00 pm   
18
Covalent Radius
96.00 pm   
99+
160.00 pm   
30
Van der Waals Radius
153.00 pm   
99+
Not Available   
Atomic Weight
9.01 amu   
99+
168.93 amu   
99+
Atomic Volume
5.00 cm3/mol   
99+
18.10 cm3/mol   
28
Adjacent Atomic Numbers
  
  
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Lithium
  
Erbium
  
Next Element
Sodium
  
Ytterbium
  
Valence Electron Potential
82.00 (-eV)   
15
49.70 (-eV)   
28
Lattice Constant
228.58 pm   
99+
353.75 pm   
40
Lattice Angles
π/2, π/2, π/2   
π/2, π/2, 2 π/3   
Lattice C/A Ratio
1.57   
18
1.57   
17
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