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Atomic Structure of Hafnium and Berkelium


Atomic Structure of Berkelium and Hafnium


Atomic Properties

Atomic Number
72   
99+
97   
21

Electron Configuration
[Xe] 4f14 5d2 6s2   
[Rn] 5f9 7s2   

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

Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
DHCP-Crystal-Structure-of-Berkelium.jpg#100   

Atom
  
  

Number of Protons
72   
99+
97   
21

Number of Neutrons
106   
29
150   
11

Number of Electrons
72   
99+
97   
21

Radius of an Atom
  
  

Atomic Radius
159.00 pm   
28
170.00 pm   
22

Covalent Radius
175.00 pm   
23
Not Available   

Van der Waals Radius
200.00 pm   
28
Not Available   

Atomic Weight
178.49 amu   
39
247.00 amu   
18

Atomic Volume
13.60 cm3/mol   
38
Not Available   

Adjacent Atomic Numbers
  
  

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Tantalum
  

Valence Electron Potential
81.00 (-eV)   
16
45.50 (-eV)   
36

Lattice Constant
319.64 pm   
99+
341.60 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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