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Atomic Structure of Californium and Hafnium


Atomic Structure of Hafnium and Californium


Atomic Properties

Atomic Number
98   
20
72   
99+

Electron Configuration
[Rn] 5f10 7s2   
[Xe] 4f14 5d2 6s2   

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

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

Atom
  
  

Number of Protons
98   
20
72   
99+

Number of Neutrons
153   
9
106   
29

Number of Electrons
98   
20
72   
99+

Radius of an Atom
  
  

Atomic Radius
186.00 pm   
9
159.00 pm   
28

Covalent Radius
Not Available   
175.00 pm   
23

Van der Waals Radius
Not Available   
200.00 pm   
28

Atomic Weight
251.00 amu   
17
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
44.50 (-eV)   
38
81.00 (-eV)   
16

Lattice Constant
338.00 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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