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Atomic Structure of Californium and Lanthanum


Atomic Structure of Lanthanum and Californium


Atomic Properties

Atomic Number
98   
20
57   
99+

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

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

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

Atom
  
  

Number of Protons
98   
20
57   
99+

Number of Neutrons
153   
9
82   
99+

Number of Electrons
98   
20
57   
99+

Radius of an Atom
  
  

Atomic Radius
186.00 pm   
9
187.00 pm   
8

Covalent Radius
Not Available   
207.00 pm   
6

Van der Waals Radius
Not Available   
240.00 pm   
13

Atomic Weight
251.00 amu   
17
138.91 amu   
99+

Atomic Volume
Not Available   
20.73 cm3/mol   
16

Adjacent Atomic Numbers
  
  

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Barium
  

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Cerium
  

Valence Electron Potential
44.50 (-eV)   
38
40.71 (-eV)   
99+

Lattice Constant
338.00 pm   
99+
377.20 pm   
28

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

Lattice C/A Ratio
Not Available   
1.62   
2

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