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Atomic Structure of Hafnium and Roentgenium

Hafnium
Roentgenium
Atomic Structure of Roentgenium and Hafnium


Atomic Properties
Atomic Number
72   
99+
111   
7
Electron Configuration
[Xe] 4f14 5d2 6s2   
[Rn] 5f14 6d9 7s2   
Crystal Structure
Hexagonal Close Packed (HCP)   
Body Centered Cubic (BCC)   
Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
BCC-Crystal-Structure-.jpg#100   
Atom
  
  
Number of Protons
72   
99+
111   
7
Number of Neutrons
106   
29
161   
3
Number of Electrons
72   
99+
111   
7
Radius of an Atom
  
  
Atomic Radius
159.00 pm   
28
Not Available   
Covalent Radius
175.00 pm   
23
Not Available   
Van der Waals Radius
200.00 pm   
28
Not Available   
Atomic Weight
178.49 amu   
39
281.00 amu   
6
Atomic Volume
13.60 cm3/mol   
38
Not Available   
Adjacent Atomic Numbers
  
  
Previous Element
Lutetium
  
Darmstadtium
  
Next Element
Tantalum
  
Copernicium
  
Valence Electron Potential
81.00 (-eV)   
16
Not Available   
Lattice Constant
319.64 pm   
99+
Not Available   
Lattice Angles
π/2, π/2, 2 π/3   
NA   
Lattice C/A Ratio
1.58   
12
Not Available   
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