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Atomic Structure of Cerium and Hafnium

Cerium
Hafnium
Atomic Structure of Hafnium and Cerium


Atomic Properties
Atomic Number
58   
99+
72   
99+
Electron Configuration
[Xe] 4f1 5d1 6s2   
[Xe] 4f14 5d2 6s2   
Crystal Structure
Double Hexagonal Close Packed (DHCP)   
Hexagonal Close Packed (HCP)   
Crystal Lattice
DHCP-Crystal-Structure-of-Cerium.jpg#100   
BCC-Crystal-Structure-.jpg#100   
Atom
  
  
Number of Protons
58   
99+
72   
99+
Number of Neutrons
82   
99+
106   
29
Number of Electrons
58   
99+
72   
99+
Radius of an Atom
  
  
Atomic Radius
181.80 pm   
12
159.00 pm   
28
Covalent Radius
204.00 pm   
8
175.00 pm   
23
Van der Waals Radius
235.00 pm   
17
200.00 pm   
28
Atomic Weight
140.12 amu   
99+
178.49 amu   
39
Atomic Volume
20.67 cm3/mol   
17
13.60 cm3/mol   
38
Adjacent Atomic Numbers
  
  
Previous Element
Lanthanum
  
Lutetium
  
Next Element
Praseodymium
  
Tantalum
  
Valence Electron Potential
41.78 (-eV)   
99+
81.00 (-eV)   
16
Lattice Constant
362.00 pm   
34
319.64 pm   
99+
Lattice Angles
π/2, π/2, 2 π/3   
π/2, π/2, 2 π/3   
Lattice C/A Ratio
Not Available   
1.58   
12
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