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Atomic Structure of Hafnium and Californium

Hafnium
Californium
Atomic Structure of Californium and Hafnium


Atomic Properties
Atomic Number
72   
99+
98   
20
Electron Configuration
[Xe] 4f14 5d2 6s2   
[Rn] 5f10 7s2   
Crystal Structure
Hexagonal Close Packed (HCP)   
Double Hexagonal Close Packed (DHCP)   
Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
DHCP-Crystal-Structure-of-Californium.jpg#100   
Atom
  
  
Number of Protons
72   
99+
98   
20
Number of Neutrons
106   
29
153   
9
Number of Electrons
72   
99+
98   
20
Radius of an Atom
  
  
Atomic Radius
159.00 pm   
28
186.00 pm   
9
Covalent Radius
175.00 pm   
23
Not Available   
Van der Waals Radius
200.00 pm   
28
Not Available   
Atomic Weight
178.49 amu   
39
251.00 amu   
17
Atomic Volume
13.60 cm3/mol   
38
Not Available   
Adjacent Atomic Numbers
  
  
Previous Element
Lutetium
  
Berkelium
  
Next Element
Tantalum
  
Einsteinium
  
Valence Electron Potential
81.00 (-eV)   
16
44.50 (-eV)   
38
Lattice Constant
319.64 pm   
99+
338.00 pm   
99+
Lattice Angles
π/2, π/2, 2 π/3   
π/2, π/2, 2 π/3   
Lattice C/A Ratio
1.58   
12
Not Available   
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