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Atomic Structure of Berkelium and Francium


Atomic Structure of Francium and Berkelium


Atomic Properties

Atomic Number
97   
21
87   
31

Electron Configuration
[Rn] 5f9 7s2   
[Rn] 7s1   

Crystal Structure
Double Hexagonal Close Packed (DHCP)   
Body Centered Cubic (BCC)   

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

Atom
  
  

Number of Protons
97   
21
87   
31

Number of Neutrons
150   
11
136   
17

Number of Electrons
97   
21
87   
31

Radius of an Atom
  
  

Atomic Radius
170.00 pm   
22
Not Available   

Covalent Radius
Not Available   
260.00 pm   
1

Van der Waals Radius
Not Available   
348.00 pm   
1

Atomic Weight
247.00 amu   
18
223.00 amu   
27

Atomic Volume
Not Available   
Not Available   

Adjacent Atomic Numbers
  
  

Previous Element
Curium
  
Polonium
  

Next Element
Radium
  

Valence Electron Potential
45.50 (-eV)   
36
8.00 (-eV)   
99+

Lattice Constant
341.60 pm   
99+
Not Available   

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

Lattice C/A Ratio
Not Available   
Not Available   

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