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Atomic Structure of Neodymium and Hafnium

Neodymium
Hafnium
Atomic Structure of Hafnium and Neodymium


Atomic Properties
Atomic Number
60   
99+
72   
99+
Electron Configuration
[Xe] 4f4 6s2   
[Xe] 4f14 5d2 6s2   
Crystal Structure
Double Hexagonal Close Packed (DHCP)   
Hexagonal Close Packed (HCP)   
Crystal Lattice
DHCP-Crystal-Structure-of-Neodymium.jpg#100   
BCC-Crystal-Structure-.jpg#100   
Atom
  
  
Number of Protons
60   
99+
72   
99+
Number of Neutrons
84   
40
106   
29
Number of Electrons
60   
99+
72   
99+
Radius of an Atom
  
  
Atomic Radius
181.00 pm   
13
159.00 pm   
28
Covalent Radius
201.00 pm   
10
175.00 pm   
23
Van der Waals Radius
229.00 pm   
20
200.00 pm   
28
Atomic Weight
144.24 amu   
99+
178.49 amu   
39
Atomic Volume
20.60 cm3/mol   
18
13.60 cm3/mol   
38
Adjacent Atomic Numbers
  
  
Previous Element
Praseodymium
  
Lutetium
  
Next Element
Promethium
  
Tantalum
  
Valence Electron Potential
43.40 (-eV)   
99+
81.00 (-eV)   
16
Lattice Constant
365.80 pm   
30
319.64 pm   
99+
Lattice Angles
π/2, π/2, 2 π/3   
π/2, π/2, 2 π/3   
Lattice C/A Ratio
1.61   
4
1.58   
12
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