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Atomic Structure of Berkelium and Hafnium


Atomic Structure of Hafnium and Berkelium


Atomic Properties

Atomic Number
97   
21
72   
99+

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

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

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

Atom
  
  

Number of Protons
97   
21
72   
99+

Number of Neutrons
150   
11
106   
29

Number of Electrons
97   
21
72   
99+

Radius of an Atom
  
  

Atomic Radius
170.00 pm   
22
159.00 pm   
28

Covalent Radius
Not Available   
175.00 pm   
23

Van der Waals Radius
Not Available   
200.00 pm   
28

Atomic Weight
247.00 amu   
18
178.49 amu   
39

Atomic Volume
Not Available   
13.60 cm3/mol   
38

Adjacent Atomic Numbers
  
  

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Lutetium
  

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Tantalum
  

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

Lattice Constant
341.60 pm   
99+
319.64 pm   
99+

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

Lattice C/A Ratio
Not Available   
1.58   
12

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