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Atomic Structure of Beryllium and Terbium

Beryllium
Terbium
Atomic Structure of Terbium and Beryllium


Atomic Properties
Atomic Number
4   
99+
65   
99+
Electron Configuration
[He] 2s2   
[Xe] 4f9 6s2   
Crystal Structure
Hexagonal Close Packed (HCP)   
Hexagonal Close Packed (HCP)   
Crystal Lattice
HCP-Crystal-Structure-of-Beryllium.jpg#100   
HCP-Crystal-Structure-of-Terbium.jpg#100   
Atom
  
  
Number of Protons
4   
99+
65   
99+
Number of Neutrons
5   
99+
94   
36
Number of Electrons
4   
99+
65   
99+
Radius of an Atom
  
  
Atomic Radius
112.00 pm   
99+
177.00 pm   
17
Covalent Radius
96.00 pm   
99+
194.00 pm   
16
Van der Waals Radius
153.00 pm   
99+
221.00 pm   
22
Atomic Weight
9.01 amu   
99+
158.93 amu   
99+
Atomic Volume
5.00 cm3/mol   
99+
19.20 cm3/mol   
22
Adjacent Atomic Numbers
  
  
Previous Element
Lithium
  
Gadolinium
  
Next Element
Sodium
  
Dysprosium
  
Valence Electron Potential
82.00 (-eV)   
15
46.80 (-eV)   
33
Lattice Constant
228.58 pm   
99+
360.10 pm   
36
Lattice Angles
π/2, π/2, π/2   
π/2, π/2, 2 π/3   
Lattice C/A Ratio
1.57   
18
1.58   
13
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