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Atomic Structure of Hafnium and Einsteinium


Atomic Structure of Einsteinium and Hafnium


Atomic Properties

Atomic Number
72   
99+
99   
19

Electron Configuration
[Xe] 4f14 5d2 6s2   
[Rn] 5f11 7s2   

Crystal Structure
Hexagonal Close Packed (HCP)   
Face Centered Cubic (FCC)   

Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
FCC-Crystal-Structure-of-Einsteinium.jpg#100   

Atom
  
  

Number of Protons
72   
99+
99   
19

Number of Neutrons
106   
29
153   
9

Number of Electrons
72   
99+
99   
19

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
252.00 amu   
16

Atomic Volume
13.60 cm3/mol   
38
Not Available   

Adjacent Atomic Numbers
  
  

Previous Element
Lutetium
  

Next Element
Tantalum
  
Fermium
  

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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