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Atomic Structure of Dysprosium and Lanthanum

Dysprosium
Lanthanum
Atomic Structure of Lanthanum and Dysprosium


Atomic Properties
Atomic Number
66   
99+
57   
99+
Electron Configuration
[Xe] 4f9 6s2   
[Xe] 5d2 6s2   
Crystal Structure
Hexagonal Close Packed (HCP)   
Double Hexagonal Close Packed (DHCP)   
Crystal Lattice
HCP-Crystal-Structure-of-Dysprosium.jpg#100   
DHCP-Crystal-Structure-of-Lanthanum.jpg#100   
Atom
  
  
Number of Protons
66   
99+
57   
99+
Number of Neutrons
96   
35
82   
99+
Number of Electrons
66   
99+
57   
99+
Radius of an Atom
  
  
Atomic Radius
178.00 pm   
16
187.00 pm   
8
Covalent Radius
192.00 pm   
17
207.00 pm   
6
Van der Waals Radius
229.00 pm   
20
240.00 pm   
13
Atomic Weight
162.50 amu   
99+
138.91 amu   
99+
Atomic Volume
19.00 cm3/mol   
23
20.73 cm3/mol   
16
Adjacent Atomic Numbers
  
  
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Terbium
  
Barium
  
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Holmium
  
Cerium
  
Valence Electron Potential
47.40 (-eV)   
32
40.71 (-eV)   
99+
Lattice Constant
359.30 pm   
37
377.20 pm   
28
Lattice Angles
π/2, π/2, 2 π/3   
π/2, π/2, 2 π/3   
Lattice C/A Ratio
1.57   
15
1.62   
2
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