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Atomic Structure of Hafnium and Dysprosium


Atomic Structure of Dysprosium and Hafnium


Atomic Properties

Atomic Number
72   
99+
66   
99+

Electron Configuration
[Xe] 4f14 5d2 6s2   
[Xe] 4f9 6s2   

Crystal Structure
Hexagonal Close Packed (HCP)   
Hexagonal Close Packed (HCP)   

Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
HCP-Crystal-Structure-of-Dysprosium.jpg#100   

Atom
  
  

Number of Protons
72   
99+
66   
99+

Number of Neutrons
106   
29
96   
35

Number of Electrons
72   
99+
66   
99+

Radius of an Atom
  
  

Atomic Radius
159.00 pm   
28
178.00 pm   
16

Covalent Radius
175.00 pm   
23
192.00 pm   
17

Van der Waals Radius
200.00 pm   
28
229.00 pm   
20

Atomic Weight
178.49 amu   
39
162.50 amu   
99+

Atomic Volume
13.60 cm3/mol   
38
19.00 cm3/mol   
23

Adjacent Atomic Numbers
  
  

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Tantalum
  
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Valence Electron Potential
81.00 (-eV)   
16
47.40 (-eV)   
32

Lattice Constant
319.64 pm   
99+
359.30 pm   
37

Lattice Angles
π/2, π/2, 2 π/3   
π/2, π/2, 2 π/3   

Lattice C/A Ratio
1.58   
12
1.57   
15

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