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Atomic Structure of Sodium and Hafnium

Sodium
Hafnium
Atomic Structure of Hafnium and Sodium


Atomic Properties
Atomic Number
11   
99+
72   
99+
Electron Configuration
[Ne] 3s1   
[Xe] 4f14 5d2 6s2   
Crystal Structure
Body Centered Cubic (BCC)   
Hexagonal Close Packed (HCP)   
Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
BCC-Crystal-Structure-.jpg#100   
Atom
  
  
Number of Protons
11   
99+
72   
99+
Number of Neutrons
12   
99+
106   
29
Number of Electrons
11   
99+
72   
99+
Radius of an Atom
  
  
Atomic Radius
186.00 pm   
9
159.00 pm   
28
Covalent Radius
166.00 pm   
27
175.00 pm   
23
Van der Waals Radius
227.00 pm   
21
200.00 pm   
28
Atomic Weight
22.99 amu   
99+
178.49 amu   
39
Atomic Volume
23.70 cm3/mol   
10
13.60 cm3/mol   
38
Adjacent Atomic Numbers
  
  
Previous Element
Beryllium
  
Lutetium
  
Next Element
Magnesium
  
Tantalum
  
Valence Electron Potential
14.10 (-eV)   
99+
81.00 (-eV)   
16
Lattice Constant
429.06 pm   
19
319.64 pm   
99+
Lattice Angles
π/2, π/2, π/2   
π/2, π/2, 2 π/3   
Lattice C/A Ratio
Not Available   
1.58   
12
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