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Atomic Structure of Beryllium and Gadolinium

Beryllium
Gadolinium
Atomic Structure of Gadolinium and Beryllium


Atomic Properties
Atomic Number
4   
99+
64   
99+
Electron Configuration
[He] 2s2   
[Xe] 4f7 5d1 6s2   
Crystal Structure
Hexagonal Close Packed (HCP)   
Hexagonal Close Packed (HCP)   
Crystal Lattice
HCP-Crystal-Structure-of-Beryllium.jpg#100   
HCP-Crystal-Structure-of-Gadolinium.jpg#100   
Atom
  
  
Number of Protons
4   
99+
64   
99+
Number of Neutrons
5   
99+
93   
37
Number of Electrons
4   
99+
64   
99+
Radius of an Atom
  
  
Atomic Radius
112.00 pm   
99+
180.00 pm   
14
Covalent Radius
96.00 pm   
99+
196.00 pm   
14
Van der Waals Radius
153.00 pm   
99+
237.00 pm   
15
Atomic Weight
9.01 amu   
99+
47.87 amu   
99+
Atomic Volume
5.00 cm3/mol   
99+
19.90 cm3/mol   
20
Adjacent Atomic Numbers
  
  
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Lithium
  
Europium
  
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Sodium
  
Terbium
  
Valence Electron Potential
82.00 (-eV)   
15
46.10 (-eV)   
34
Lattice Constant
228.58 pm   
99+
363.60 pm   
32
Lattice Angles
π/2, π/2, π/2   
π/2, π/2, 2 π/3   
Lattice C/A Ratio
1.57   
18
1.59   
9
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